Liabilities / Assets
19th percentile
Higher debt load relative to assets than 19% of similar nonprofits.
EIN 39-6075667 • 501(c)3 • Fond Du Lac, WI
Profile
Connecting people to fond du lac county history by inspiring passion, preservation, exploration, and fun.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
19th percentile
Higher debt load relative to assets than 19% of similar nonprofits.
Liabilities / Revenue
23rd percentile
Higher debt load relative to revenue than 23% of similar nonprofits.
Net Margin
10th percentile
Higher net margin than 10% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
33rd percentile
Faster asset growth than 33% of similar nonprofits.
Revenue Growth
37th percentile
Faster revenue growth than 37% of similar nonprofits.
Assets
Down$2,291,946
Down $32,614 (-1.4%) from 2023
Liabilities
Flat$300
Flat from 2023
Net Assets
Down$2,291,646
Down $32,614 (-1.4%) from 2023
Revenue
Up$103,620
Up $789 (+0.8%) from 2023
Expenses
Down$136,234
Down $39,146 (-22%) from 2023
Net Income
Up-$32,614
Up $39,935 (+55%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
The organizations mission is to preserve fond du lac county history for future generations and create memorable experiences through education, research, and preservation.
Connecting people to fond du lac county history by inspiring passion, preservation, exploration.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $2,165,257 | $2,092,141 | ▼ $73,116 |
| Savings and Temporary Cash Investments | $105,265 | $107,127 | ▲ $1,862 |
| Cash and Non-Interest-Bearing Accounts | $54,038 | $92,678 | ▲ $38,640 |
| Total Assets | $2,324,560 | $2,291,946 | ▼ $32,614 |
| Liabilities | |||
| Deferred Revenue | $300 | $300 | → $0 |
| Total Liabilities | $300 | $300 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $2,321,257 | $2,288,643 | ▼ $32,614 |
| Net Assets With Donor Restrictions | $3,003 | $3,003 | → $0 |
| Total Net Assets Fund Balance | $2,324,260 | $2,291,646 | ▼ $32,614 |
| Total Liabilities and Net Assets / Fund Balance | $2,324,560 | $2,291,946 | ▼ $32,614 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $1,687,427 | $557,638 | $2,245,065 |
| Leasehold Improvements | $374,551 | $37,946 | $412,497 |
| Equipment | $30,163 | $39,425 | $69,588 |
| Name | Title |
|---|---|
| Lisa Lefeber | President |
| John Brusoe | Director |
| Sarah Smith | Director |
| Rose Rentmeester | Secretary/tr |
| William Weinshrott | Vice Preside |
| Line Item | Amount |
|---|---|
| Other Expenses | $111,865 |
| Salaries, Compensation, and Employee Benefits | $24,369 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Depreciation Depletion | $73,116 | - | - | $73,116 |
| Other Salaries and Wages | $22,900 | - | - | $22,900 |
| Occupancy | $10,270 | $2,567 | - | $12,837 |
| Insurance | $8,784 | $2,196 | - | $10,980 |
| Office Expenses | $1,704 | $1,703 | - | $3,407 |
| Fees for Services Accounting | $1,425 | $1,425 | - | $2,850 |
| Payroll Taxes | $1,469 | - | - | $1,469 |
| Other Expenses | $6,586 | $243 | - | $243 |
| Advertising | $199 | - | - | $199 |
| Total Functional Expenses | $126,453 | $9,781 | $0 | $136,234 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $2,993 |
| Fundraising Gross Income | $2,660 |
| Professional Fundraising Fees | $0 |
“The public may join the society, which allows them free admission to the village, except during special events, subscription to newsletter, and invitation to annual membership meeting.”
“The organization has a finance committee which is responsible for reviewing the form 990 before it is filed. The 990 is also reviewed by the president before filing.”
“Officers and directors submitt a conflict of interest form. After disclosure of the financial interest and all material facts, and after any discussion with the interested person, he or she shall leave the board meeting while the determination of a conflict of interest is discussed and voted upon. The remaining board members shall decide if a conflict of interest exists.”
“Governing documents are available upon the request of the organization at the address on the first page of this tax return.”
“The organization's collections include 25 historical buildings and artifacts, which are on display for the public's viewing and education. Admissions, tours, on-ground events are all centered around the buildings and its contents and these allow fond du lac county historical society to achieve its mission of connecting people to fond du lac county history by inspiring passion, preservation, and exploration.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | CONNECTING PEOPLE TO FOND DU LAC COUNTY HISTORY BY INSPIRING PASSION, PRESERVATION, EXPLORATION. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 199 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 199 |
| IRS990/AllOtherContributionsAmt | 0 | 62708 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | LISA LEFEBER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9209221166 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 1284 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | FOND DU LAC |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | WI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 54936 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 54038 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 92678 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContriRptFundraisingEventAmt | 0 | 2380 |
| IRS990/CostOfGoodsSoldAmt | 0 | 558 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 90088 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1862 |
| IRS990/CYOtherExpensesAmt | 0 | 111865 |
| IRS990/CYOtherRevenueAmt | 0 | 1301 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 10369 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -32614 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 24369 |
| IRS990/CYTotalExpensesAmt | 0 | 136234 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 103620 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 300 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 300 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 73116 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 73116 |
| IRS990/Desc | 0 | TO PROVIDE HISTORICAL BUILDINGS AND COLLECTION FOR THE PUBLIC VIEW. HISTORICAL BUILDINGS INCLUDE A 30 ROOM MID VICTORIAN MANSION SURROUNDED BY 25 HISTORIC BUILDINGS AND VARIOUS FOND DU LAC COUNTY COLLECTIBLE ARTIFACTS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 3003 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 3003 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 2 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 126453 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 1425 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 1425 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2850 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 12.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 12.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 12.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | LISA LEFEBER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ROSE RENTMEESTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | SARAH SMITH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | JOHN BRUSOE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | WILLIAM WEINSHROTT |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY/TR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | VICE PRESIDE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1949 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingAmt | 0 | 2380 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 2993 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 2660 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GovernmentGrantsAmt | 0 | 25000 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 107171 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 474 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 1718 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2196 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 8784 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 10980 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1862 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1862 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 635009 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2165257 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2092141 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 2727150 |
| IRS990/LegalDomicileStateCd | 0 | WI |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | CONNECTING PEOPLE TO FOND DU LAC COUNTY HISTORY BY INSPIRING PASSION, PRESERVATION, EXPLORATION. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 2324260 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2291646 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -333 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -333 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 1160 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 1160 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 474 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 474 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 2321257 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2288643 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 2567 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 10270 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 12837 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1703 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 1704 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3407 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | CREDIT CARD FEES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1647 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 243 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 6586 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 8233 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 243 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 22900 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 22900 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 1469 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 1469 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | LISA LEFEBER |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | ADMISSIONS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | OTHER PROGRAM SERVICE REVENUE |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | MEMBERSHIP DUES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 6855 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 3024 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 490 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 6855 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 3024 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 490 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 75743 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 1649 |
| IRS990/PYOtherExpensesAmt | 0 | 125590 |
| IRS990/PYOtherRevenueAmt | 0 | 7644 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 17795 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -72549 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 49790 |
| IRS990/PYTotalExpensesAmt | 0 | 175380 |
| IRS990/PYTotalRevenueAmt | 0 | 102831 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -32614 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 474 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 10369 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 105265 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 107127 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 90088 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 75743 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 125591 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 161359 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 117797 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 570578 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 1862 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3686 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 7921 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1679 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1815 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 16963 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 85723 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.79120 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.69030 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 464856 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 105722 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 90088 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 75743 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 125591 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 161359 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 117797 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 570578 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 587541 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/ArtPublicExhibitionAmountsGrp/AssetsIncludedAmt | 0 | 1687427 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 1687427 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 557638 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 2245065 |
| IRS990ScheduleD/CollectionUsedPreservationInd | 0 | X |
| IRS990ScheduleD/CollectionUsedPubExhibitionInd | 0 | X |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 30163 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 39425 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 69588 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 374551 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 37946 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 412497 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION'S COLLECTIONS INCLUDE 25 HISTORICAL BUILDINGS AND ARTIFACTS, WHICH ARE ON DISPLAY FOR THE PUBLIC'S VIEWING AND EDUCATION. ADMISSIONS, TOURS, ON-GROUND EVENTS ARE ALL CENTERED AROUND THE BUILDINGS AND ITS CONTENTS AND THESE ALLOW FOND DU LAC COUNTY HISTORICAL SOCIETY TO ACHIEVE ITS MISSION OF CONNECTING PEOPLE TO FOND DU LAC COUNTY HISTORY BY INSPIRING PASSION, PRESERVATION, AND EXPLORATION. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PAGE 2, PART III, LINE 4 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 2092141 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE PUBLIC MAY JOIN THE SOCIETY, WHICH ALLOWS THEM FREE ADMISSION TO THE VILLAGE, EXCEPT DURING SPECIAL EVENTS, SUBSCRIPTION TO NEWSLETTER, AND INVITATION TO ANNUAL MEMBERSHIP MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ORGANIZATION HAS A FINANCE COMMITTEE WHICH IS RESPONSIBLE FOR REVIEWING THE FORM 990 BEFORE IT IS FILED. THE 990 IS ALSO REVIEWED BY THE PRESIDENT BEFORE FILING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | OFFICERS AND DIRECTORS SUBMITT A CONFLICT OF INTEREST FORM. AFTER DISCLOSURE OF THE FINANCIAL INTEREST AND ALL MATERIAL FACTS, AND AFTER ANY DISCUSSION WITH THE INTERESTED PERSON, HE OR SHE SHALL LEAVE THE BOARD MEETING WHILE THE DETERMINATION OF A CONFLICT OF INTEREST IS DISCUSSED AND VOTED UPON. THE REMAINING BOARD MEMBERS SHALL DECIDE IF A CONFLICT OF INTEREST EXISTS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | GOVERNING DOCUMENTS ARE AVAILABLE UPON THE REQUEST OF THE ORGANIZATION AT THE ADDRESS ON THE FIRST PAGE OF THIS TAX RETURN. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 6, PART VI, LINE 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 19 |
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| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | WI |
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| IRS990/SubjectToProxyTaxInd | 0 | false |
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| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
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| IRS990/TotalAssetsEOYAmt | 0 | 2291946 |
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| IRS990/TotalAssetsGrp/EOYAmt | 0 | 2291946 |
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| IRS990/TotalEmployeeCnt | 0 | 2 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 9781 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 126453 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 136234 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 300 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 300 |
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| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 300 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 2324260 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 2291646 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 126453 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 10369 |
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| IRS990/TotalVolunteersCnt | 0 | 85 |
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| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 2291946 |
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| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | PO BOX 1284 |
| IRS990/USAddress/CityNm | 0 | FOND DU LAC |
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| IRS990/USAddress/ZIPCd | 0 | 549361284 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 5 |
| IRS990/WebsiteAddressTxt | 0 | WWW.FDLHISTORY.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | true |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | LISA LEFEBER |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 9209226390 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-12 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | FOND DU LAC COUNTY HISTORICAL |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | SOCIETY |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | FOND |
| ReturnHeader/Filer/EIN | 0 | 396075667 |
| ReturnHeader/Filer/PhoneNum | 0 | 9209221166 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 1284 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | FOND DU LAC |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | WI |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 549361284 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | false |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 391392227 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | HUBERTY & ASSOCIATES SC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 825 S TAYLOR DR |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | SHEBOYGAN |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | WI |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 53081 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 9204522255 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-11-12 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | COURTNEY HAZEN |
| ReturnHeader/ReturnTs | 0 | 2025-11-13T11:41:03-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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