Civic Intelligence

Cahokia Mounds Museum Society

EIN 37-1011900 • 501(c)3 • Collinsville, IL

Profile

Educating the public on historic cahokia.

30 Ramey StreetCollinsville, IL 62234

www.cahokiamounds.com

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

35th percentile

0.00x

Higher debt load relative to assets than 35% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Liabilities / Revenue

40th percentile

0.00x

Higher debt load relative to revenue than 40% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Net Margin

13th percentile

-27%

Higher net margin than 13% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Top Officer Pay

55th percentile

$0

Higher top officer pay than 55% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Asset Growth

21st percentile

-10%

Faster asset growth than 21% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Revenue Growth

75th percentile

32%

Faster revenue growth than 75% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets35th percentile

Assets

Down

$735,277

Down $138,224 (-16%) from 2022

Liabilities

Down

$412

Down $2,447 (-86%) from 2022

Net Assets

Down

$734,865

Down $135,777 (-16%) from 2022

Operations
Liabilities / Revenue40th percentileNet Margin13th percentile

Revenue

Up

$151,070

Up $5,661 (+3.9%) from 2022

Expenses

Down

$191,460

Down $21,166 (-10.0%) from 2022

Net Income

Up

-$40,390

Up $26,827 (+40%) from 2022

Trend Graphs

Balance Sheet Trend

Asset Growth21st percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$1.5M$1.0M$500K$0Assets 2010: $1,224,879Liabilities 2010: $64,691Net Assets 2010: $1,160,1882010Assets 2011: $1,382,745Liabilities 2011: $27,597Net Assets 2011: $1,355,1482011Assets 2012: $1,418,931Liabilities 2012: $11,703Net Assets 2012: $1,407,2282012Assets 2013: $1,328,699Liabilities 2013: $6,449Net Assets 2013: $1,322,2502013Assets 2014: $980,827Liabilities 2014: $7,193Net Assets 2014: $973,6342014Assets 2015: $824,683Liabilities 2015: $10,097Net Assets 2015: $814,5862015Assets 2017: $735,543Liabilities 2017: $8,715Net Assets 2017: $726,8282017Assets 2018: $703,969Liabilities 2018: $7,669Net Assets 2018: $696,3002018Assets 2020: $854,040Liabilities 2020: $8,783Net Assets 2020: $845,2572020Assets 2021: $940,884Liabilities 2021: $3,025Net Assets 2021: $937,8592021Assets 2022: $873,501Liabilities 2022: $2,859Net Assets 2022: $870,6422022Assets 2024: $735,277Liabilities 2024: $412Net Assets 2024: $734,8652024

Highlighted filing

2024

Assets$735,277
Liabilities$412
Net Assets$734,865
Open 2024 Filing

Operations Trend

Revenue Growth75th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$1.0M$500K$0-$500KExpenses 2010: $524,2442010Expenses 2011: $250,3432011Expenses 2012: $176,3772012Revenue 2013: $128,464Expenses 2013: $213,916Net Income 2013: -$85,4522013Revenue 2014: $167,285Expenses 2014: $515,949Net Income 2014: -$348,6642014Revenue 2015: $168,202Expenses 2015: $327,343Net Income 2015: -$159,1412015Revenue 2017: $219,577Expenses 2017: $256,710Net Income 2017: -$37,1332017Revenue 2018: $193,220Expenses 2018: $210,761Net Income 2018: -$17,5412018Revenue 2020: $215,690Expenses 2020: $130,695Net Income 2020: $84,9952020Revenue 2021: $412,707Expenses 2021: $341,880Net Income 2021: $70,8272021Revenue 2022: $145,409Expenses 2022: $212,626Net Income 2022: -$67,2172022Revenue 2024: $151,070Expenses 2024: $191,460Net Income 2024: -$40,3902024

Highlighted filing

2024

Revenue$151,070
Expenses$191,460
Net Income-$40,390
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.

Open filing
Assets
$735,277
Liabilities
$412
Net assets
$734,865
Revenue
$151,070
Expenses
$191,460
Net income
-$40,390
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.74$0.00$0.73$0.15$0.19$0.04
2022Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.87$0.00$0.87$0.15$0.21$0.07
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.94$0.00$0.94$0.41$0.34$0.07
2020Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.85$0.01$0.85$0.22$0.13$0.08
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.70$0.01$0.70$0.19$0.21$0.02
2017Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.74$0.01$0.73$0.22$0.26$0.04
2015XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.82$0.01$0.81$0.17$0.33$0.16
2014Detailed filing. Detailed filing data is available for this year.$0.98$0.01$0.97$0.17$0.52$0.35
2013Detailed filing. Detailed filing data is available for this year.$1.33$0.01$1.32$0.13$0.21$0.09
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.42$0.01$1.41$0.18
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.38$0.03$1.36$0.25
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.22$0.06$1.16$0.52
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Aug 29, 2025
Return Version
2024v5.0
Gross Receipts
$254,425
Mission and Program Overview

Mission

Educating the public on historic cahokia

Educating the public on historic cahokia.

Balance Sheet Detail
LineBeginningEndChange
Assets
Investments in Publicly Traded Securities$451,226$419,678▼ $31,548
Cash and Non-Interest-Bearing Accounts$134,184$171,996▲ $37,812
Inventories for Sale or Use$85,354$84,954▼ $400
Land, Buildings, and Equipment, Net$147,760$58,649▼ $89,111
Total Assets$818,524$735,277▼ $83,247
Liabilities
Accounts Payable and Accrued Expenses$2,046$412▼ $1,634
Total Liabilities$2,046$412▼ $1,634
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$724,875$545,792▼ $179,083
Net Assets With Donor Restrictions$91,603$189,073▲ $97,470
Total Net Assets Fund Balance$816,478$734,865▼ $81,613
Total Liabilities and Net Assets / Fund Balance$818,524$735,277▼ $83,247

Asset Categories

AssetBook ValueDepreciationBasis
Equipment$50,328$474,022$524,350
Leasehold Improvements$4,742$71,144$75,886
Land$3,579-$3,579
Compensation and Service Providers
Top Officer Pay55th percentile

Board Members and Trustees

NameTitle
Dale YonkerPresident
F Terry Norris PhdDirector
Honorable Gerald CohnDirector
Jack KerberDirector
Judy HortonDirector
Justin SmockDirector
Kenneth WilliamsDirector
Lawrence O TalianaDirector
Linda KunzDirector
Matt LoyetSecretary
William MeisterTreasurer
Chris FrillmanVice Preside
Revenue and Support

Revenue Composition

Contributions and Grants
$39,438
Program Service Revenue
$0
Investment Income
$25,419
Other Revenue
$86,213
All Other Contributions
$24,529
Change in Net Assets
$-40,390
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$96,323
Other Expenses$95,137
Total Fundraising Expense$9,632
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$32,330$45,840$8,685$86,855
Depreciation Depletion$3,967$27,400-$31,367
Fees for Services Accounting$8,593$8,593-$17,186
Office Expenses$11,106$5,689-$16,795
Payroll Taxes$1,325$4,949$697$6,971
Other Expenses$6,748$2,161-$6,748
Insurance-$5,820-$5,820
Advertising$4,267--$4,267
Other Employee Benefits$474$1,773$250$2,497
Total Functional Expenses$79,603$102,225$9,632$191,460
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Gross Income$22,854
Fundraising Direct Expenses$7,010
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Other Fundraisi$17,352$17,352$6,412$10,940
Total Events$17,352$17,352$6,412$10,940
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
Yes
Backup withholding compliance
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Page 6, Part VI, Line 11B

“Reviewed by full board of directors at a board meeting before filing.”

Form 990, Page 6, Part VI, Line 19

“UPON REQUEST”

Filing and Contact Details

Filer

Filer Name
Cahokia Mounds Museum Society
EIN
37-1011900
Phone
6183447316
Address
30 RAMEY STREET, COLLINSVILLE, IL 62234

Signing Officer

Name
Dale Yonker
Title
President
Phone
6183449221
Signed
2025-08-29
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Dale Yonker
Formed
1976
Voting Board Members
11
Independent Board Members
11
Employees
4

Preparer

Firm
Smith Patrick Pc
Address
220 W LOCKWOOD AVE SUITE 203, WEBSTER GROVES, MO 63119-2353
Preparer
David P Smith CPA Mba Cmaa
Phone
3149611600
Supplemental Narrative

Additional Explanations

Form 990, Part XI, Line 9

“Correction of depreciation from prior years.”

Raw XML AppendixShowing 400 of 406 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/OtherExpensesGrp/TotalAmt012954
IRS990/OtherExpensesGrp/TotalAmt16748
IRS990/OtherSalariesAndWagesGrp/FundraisingAmt08685
IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt045840
IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt032330
IRS990/OtherSalariesAndWagesGrp/TotalAmt086855
IRS990/PartialLiquidationInd0false
IRS990/PayrollTaxesGrp/FundraisingAmt0697
IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt04949
IRS990/PayrollTaxesGrp/ProgramServicesAmt01325
IRS990/PayrollTaxesGrp/TotalAmt06971
IRS990/PoliticalCampaignActyInd0false
IRS990/PrincipalOfficerNm0DALE YONKER
IRS990/PriorPeriodAdjustmentsAmt0-57745
IRS990/ProfessionalFundraisingInd0false
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt046415
IRS990/PYExcessBenefitTransInd0false
IRS990/PYInvestmentIncomeAmt07461
IRS990/PYOtherExpensesAmt081556
IRS990/PYOtherRevenueAmt060881
IRS990/PYRevenuesLessExpensesAmt0-88025
IRS990/PYSalariesCompEmpBnftPaidAmt0121226
IRS990/PYTotalExpensesAmt0202782
IRS990/PYTotalRevenueAmt0114757
IRS990/ReconcilationRevenueExpnssAmt0-40390
IRS990/RelatedEntityInd0false
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0true
IRS990/ReportOtherAssetsInd0false
IRS990/ReportOtherLiabilitiesInd0false
IRS990/ReportProgramRelatedInvstInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd0true
IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd0false
IRS990ScheduleA/Form990SchAType3SprtOrgAllGrp/OfficersCloseRelationshipInd0true
IRS990ScheduleA/Form990SchAType3SprtOrgAllGrp/SupportedOrgVoiceInvestmentInd0false
IRS990ScheduleA/Form990SchAType3SprtOrgAllGrp/TimelyProvidedDocumentsInd0false
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt0THE DISTRIBUTION PROVIDES MORE THAN 10% OF THE SUPPORTED ORGANIZATION'S SUPPORT AND AN ADEQUATE RELATIONSHIP WITH THE SUPPORTED ORGANIZATION EXISTS.
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc0PART V, LINE 1
IRS990ScheduleA/OtherSupportSumAmt020000
IRS990ScheduleA/SupportedOrganizationsCnt01
IRS990ScheduleA/SupportedOrganizationsTotalCnt01
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IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd06
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IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt00
IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt0IDNR-CAHOKIA MOUNDS MUSEUM SITE
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IRS990ScheduleA/SupportingOrgType3NonFuncInd0X
IRS990ScheduleA/TrustIntegralPartTestInd0X
IRS990/ScheduleBRequiredInd0false
IRS990ScheduleD/EquipmentGrp/BookValueAmt050328
IRS990ScheduleD/EquipmentGrp/DepreciationAmt0474022
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt0524350
IRS990ScheduleD/LandGrp/BookValueAmt03579
IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt03579
IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt04742
IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt071144
IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt075886
IRS990ScheduleD/TotalBookValueLandBuildingsAmt058649
IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt06412
IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm0OTHER FUNDRAISI
IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt017352
IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt017352
IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent1Amt017352
IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueTotalEventsAmt017352
IRS990ScheduleG/FundraisingEventInformationGrp/NetIncomeSummaryAmt010940
IRS990ScheduleG/FundraisingEventInformationGrp/OthDirectExpnssTotalEventsAmt06412
IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent1Amt06412
IRS990/ScheduleJRequiredInd0false
IRS990/ScheduleORequiredInd0true
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0REVIEWED BY FULL BOARD OF DIRECTORS AT A BOARD MEETING BEFORE FILING.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1UPON REQUEST
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2CORRECTION OF DEPRECIATION FROM PRIOR YEARS.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990, PAGE 6, PART VI, LINE 11B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990, PAGE 6, PART VI, LINE 19
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2FORM 990, PART XI, LINE 9
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IRS990/StatesWhereCopyOfReturnIsFldCd0IL
IRS990/SubjectToExcsTaxNetInvstIncInd0false
IRS990/SubjectToProxyTaxInd0false
IRS990/SubjToTaxRmnrtnExPrchtPymtInd0false
IRS990/TaxablePartyNotificationInd0false
IRS990/TaxExemptBondsInd0false
IRS990/TerminateOperationsInd0false
IRS990/TotalAssetsBOYAmt0818524
IRS990/TotalAssetsEOYAmt0735277
IRS990/TotalAssetsGrp/BOYAmt0818524
IRS990/TotalAssetsGrp/EOYAmt0735277
IRS990/TotalCompGreaterThan150KInd0false
IRS990/TotalContributionsAmt039438
IRS990/TotalEmployeeCnt04
IRS990/TotalFunctionalExpensesGrp/FundraisingAmt09632
IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt0102225
IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt079603
IRS990/TotalFunctionalExpensesGrp/TotalAmt0191460
IRS990/TotalGrossUBIAmt00
IRS990/TotalLiabilitiesBOYAmt02046
IRS990/TotalLiabilitiesEOYAmt0412
IRS990/TotalLiabilitiesGrp/BOYAmt02046
IRS990/TotalLiabilitiesGrp/EOYAmt0412
IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt0816478
IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt0734865
IRS990/TotalProgramServiceExpensesAmt079603
IRS990/TotalRevenueGrp/ExclusionAmt025419
IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt070369
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0151070
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt0818524
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt0735277
IRS990/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990/TypeOfOrganizationCorpInd0X
IRS990/UnrelatedBusIncmOverLimitInd0false
IRS990/UponRequestInd0X
IRS990/USAddress/AddressLine1Txt0209 WEST STONYBROOK DR
IRS990/USAddress/CityNm0OFALLON
IRS990/USAddress/StateAbbreviationCd0IL
IRS990/USAddress/ZIPCd062269
IRS990/VotingMembersGoverningBodyCnt011
IRS990/VotingMembersIndependentCnt011
IRS990/WebsiteAddressTxt0WWW.CAHOKIAMOUNDS.ORG
IRS990/WhistleblowerPolicyInd0false
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0DALE YONKER
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0PRESIDENT
ReturnHeader/BusinessOfficerGrp/PhoneNum06183449221
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-08-29
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0CAHOKIA MOUNDS MUSEUM SOCIETY
ReturnHeader/Filer/BusinessNameControlTxt0CAHO
ReturnHeader/Filer/EIN0371011900
ReturnHeader/Filer/PhoneNum06183447316
ReturnHeader/Filer/USAddress/AddressLine1Txt030 RAMEY STREET
ReturnHeader/Filer/USAddress/CityNm0COLLINSVILLE
ReturnHeader/Filer/USAddress/StateAbbreviationCd0IL
ReturnHeader/Filer/USAddress/ZIPCd062234
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0842821221
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0SMITH PATRICK PC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0220 W LOCKWOOD AVE SUITE 203
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0WEBSTER GROVES
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0MO
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd0631192353
ReturnHeader/PreparerPersonGrp/PhoneNum03149611600
ReturnHeader/PreparerPersonGrp/PreparationDt02025-08-29

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