Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 82-2596765 • 501(c)3 • Elcho, WI
Profile
A community-based organization with a collaborative and dedicated mission in collecting, preserving and sharing the history of Elcho, Wisconsin and the surrounding communities. The museum will house historical artifacts. There are plans for sections in the museum to highlight our local logging and railroad history, local veterans who served in the armed forces, the relationship with local settlers with our Native American ancestral neighbors and a display of historical chainsaws. Future generations will experience rotating and interactive exhibits.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
86th percentile
Higher net margin than 86% of similar nonprofits.
Top Officer Pay
81st percentile
Higher top officer pay than 81% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
87th percentile
Faster asset growth than 87% of similar nonprofits.
Revenue Growth
33rd percentile
Faster revenue growth than 33% of similar nonprofits.
Assets
Up$68,298
Up $23,780 (+53%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$68,298
Up $23,780 (+53%) from 2024
Revenue
Down$60,928
Down $16,291 (-21%) from 2024
Expenses
Down$37,148
Down $61,286 (-62%) from 2024
Net Income
Up$23,780
Up $44,995 (+212%) from 2024
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
A community-based organization with a collaborative and dedicated mission in collecting, preserving and sharing the history of Elcho, Wisconsin and the surrounding communities. The museum will house historical artifacts. There are plans for sections in the museum to highlight our local logging and railroad history, local veterans who served in the armed forces, the relationship with local settlers with our Native American ancestral neighbors and a display of historical chainsaws. Future generations will experience rotating and interactive exhibits.
| Description | Grants | Expenses |
|---|---|---|
| Restoration began on the historic building that was gifted to the Elcho Historical Society to house a museum dedicated to reflecting the rich past of Elcho Wisconsin and surrounding communities. In 2022 the building was raised up and a full basement was dug out. Also the existing three layers of roofing were removed and a new roof was installed. In 2023 the front wall was restored to its original appearance, electricity and a new furnace were installed. In 2024 the windows were replaced, insulation installed, interior was replastered, caulked and painted. In 2025 handicapped accessible decks and ramps were installed and exhibit displays were created & installed. | $48,530 | $29,523 |
| Completed the publication of a semi-annual newsletter. 750 copies of each newsletter were printed. These newsletters were mailed to current Society members with the remaining newsletters distributed to residents of Elcho Wisconsin and the surrounding communities. | $0 | $2,164 |
| Collected and preserved hundreds of artifacts and documents that represent the history of our local community and surrounding areas. These artifacts and documents were collected and preserved by our membership. These members volunteered their time towards this collection and preservation endeavor. | $0 | $1,053 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| William Wheeler | President | - | $0 | - | - |
| Bryan Spransy | Vice-President | - | $0 | - | - |
| Gregory E Mejak | Treasurer | - | $0 | - | - |
| Deborah L Mejak | Secretary | PT | $0 | - | - |
| Otto Tiegs Jr | Director | - | $0 | - | - |
| John Liss | Director | - | $0 | - | - |
| Bill Ahrens | Director | - | $0 | - | - |
| Chris Feliciano | Director | - | $0 | - | - |
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | 0 |
| IRS990EZ/BenefitsPaidToOrForMembersAmt | 0 | 0 |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | Gregory E Mejak |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 7736190848 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | N9936 Hemlock Rd |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | Summit Lake |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | WI |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 54485 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 44518 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 68298 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | 0 |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 56671 |
| IRS990EZ/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990EZ/CostOrOtherBasisExpenseSaleAmt | 0 | 0 |
| IRS990EZ/DirectIndirectPltclExpendAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | 0 |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 23780 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 33307 |
| IRS990EZ/FiledScheduleAInd | 0 | 1 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | 0 |
| IRS990EZ/ForeignOfficeInd | 0 | 0 |
| IRS990EZ/Form1120PolFiledInd | 0 | 0 |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 44518 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 68298 |
| IRS990EZ/FundraisingGrossIncomeAmt | 0 | 7306 |
| IRS990EZ/GainOrLossFromSaleOfAssetsAmt | 0 | 0 |
| IRS990EZ/GamingGrossIncomeAmt | 0 | 0 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 0 |
| IRS990EZ/GrossProfitLossSlsOfInvntryAmt | 0 | 0 |
| IRS990EZ/GrossReceiptsAmt | 0 | 66802 |
| IRS990EZ/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990EZ/InvestmentIncomeAmt | 0 | 205 |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 0 |
| IRS990EZ/LobbyingActivitiesInd | 0 | 0 |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | 0 |
| IRS990EZ/MembershipDuesAmt | 0 | 2620 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 44518 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 68298 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 44518 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 68298 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 1677 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 1.0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 0.54 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 4.23 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 6.24 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 0.77 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 0.34 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 0.27 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 0.41 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | William Wheeler |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | Bryan Spransy |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | Gregory E Mejak |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | Deborah L Mejak |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | Otto Tiegs Jr |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | John Liss |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | Bill Ahrens |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | Chris Feliciano |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | President |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | Vice-President |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | Treasurer |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | Secretary |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | Director |
| IRS990EZ/OperateHospitalInd | 0 | 0 |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990EZ/OrganizationHadUBIInd | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 0 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 0 |
| IRS990EZ/OtherRevenueTotalAmt | 0 | 0 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | 0 |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | A community-based organization with a collaborative and dedicated mission in collecting, preserving and sharing the history of Elcho, Wisconsin and the surrounding communities. The museum will house historical artifacts. There are plans for sections in the museum to highlight our local logging and railroad history, local veterans who served in the armed forces, the relationship with local settlers with our Native American ancestral neighbors and a display of historical chainsaws. Future generations will experience rotating and interactive exhibits. |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 2164 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | Restoration began on the historic building that was gifted to the Elcho Historical Society to house a museum dedicated to reflecting the rich past of Elcho Wisconsin and surrounding communities. In 2022 the building was raised up and a full basement was dug out. Also the existing three layers of roofing were removed and a new roof was installed. In 2023 the front wall was restored to its original appearance, electricity and a new furnace were installed. In 2024 the windows were replaced, insulation installed, interior was replastered, caulked and painted. In 2025 handicapped accessible decks and ramps were installed and exhibit displays were created & installed. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | Completed the publication of a semi-annual newsletter. 750 copies of each newsletter were printed. These newsletters were mailed to current Society members with the remaining newsletters distributed to residents of Elcho Wisconsin and the surrounding communities. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 2 | Collected and preserved hundreds of artifacts and documents that represent the history of our local community and surrounding areas. These artifacts and documents were collected and preserved by our membership. These members volunteered their time towards this collection and preservation endeavor. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 48530 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 1 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 2 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 29523 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 1 | 2164 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 2 | 1053 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 0 |
| IRS990EZ/SaleOfAssetsGrossAmt | 0 | 0 |
| IRS990EZ/ScheduleBNotRequiredInd | 0 | X |
| IRS990EZ/SchoolOperatingInd | 0 | 0 |
| IRS990EZ/SpecialEventsDirectExpensesAmt | 0 | 5874 |
| IRS990EZ/SpecialEventsNetIncomeLossAmt | 0 | 1432 |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | WI |
| IRS990EZ/SubjectToProxyTaxInd | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990EZ/TanningServicesProvidedInd | 0 | 0 |
| IRS990EZ/TaxImposedOnOrganizationMgrAmt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4911Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4912Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4955Amt | 0 | 0 |
| IRS990EZ/TaxReimbursedByOrganizationAmt | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 37148 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 32740 |
| IRS990EZ/TotalRevenueAmt | 0 | 60928 |
| IRS990EZ/TransactionWithControlEntInd | 0 | 0 |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | elchohistoricalsocietyinc.org |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt | 0 | 55 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt | 0 | 263 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus2YearsAmt | 0 | 80 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2405 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1255 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 4058 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 66597 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 80326 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 57342 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 87170 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 49462 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 340897 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 205 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 450 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 496 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 108 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 31 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 1290 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 205 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 450 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 496 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 108 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 31 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 1290 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00377 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00377 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.98437 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.98124 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 336839 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearAmt | 0 | 55 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt | 0 | 263 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus2YearsAmt | 0 | 80 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2405 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1255 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 4058 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 66597 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 80326 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 57342 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 87170 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 49462 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 340897 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 66802 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 80776 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 57838 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 87278 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 49493 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 342187 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | GREGORY MEJAK |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 7736190848 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-03-16 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | ELCHO HISTORICAL SOCIETY |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | ELCH |
| ReturnHeader/Filer/EIN | 0 | 822596765 |
| ReturnHeader/Filer/PhoneNum | 0 | 7736190848 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | W9674 COUNTY ROAD U |
| ReturnHeader/Filer/USAddress/CityNm | 0 | ELCHO |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | WI |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 54428 |
| ReturnHeader/ReturnTs | 0 | 2026-03-16T16:02:47-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2025-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-12-31 |
| ReturnHeader/TaxYr | 0 | 2025 |
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