Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 46-6017308

PRAIRIE HISTORICAL SOCIETY

Tax-exempt · MADISON, SD 57042

Financials

$634K$750K2022$649K$681K2023$627K$792K2024
Revenue Expenses · by fiscal year end
Financials of PRAIRIE HISTORICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$626,804$791,578-$164,774$1,455,257$11,772$1,443,485
September 30, 2024990$649,196$681,064-$31,868$1,614,879$6,620$1,608,259
September 30, 2023990$633,742$750,042-$116,300$1,664,672$16,203$1,648,469
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$72,266
Program service revenue
$523,316
Investment income
$1,431
Net rental income
$23,599
Net income from sales of inventory
$5,675
Other revenue
$29,791

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$74,183
Other salaries and wages
$47,333
Salaries, compensation and benefits (total)
$130,982
Professional fundraising fees
$0
Accounting fees
$1,274
Occupancy
$334,530
Depreciation
$58,136
Program services (functional)
$780,138
Management and general (functional)
$10,967
Fundraising (functional)
$473

Balance sheet and other

Total assets, start of year
$1,614,879
Total assets, end of year
$1,455,257
Total liabilities, end of year
$11,772
Net assets, end of year
$1,443,485
Land, buildings and equipment
$901,904
Net assets without donor restrictions
$1,443,485
Gross receipts
$646,775
Employees
8
Volunteers
200
State of legal domicile
SD

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended September 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
FARON WAHLCEO
Officer
40$58,895
MISTY YOUNGCFO
Officer
20$15,288
COURTNEY HANSENDIRECTOR
Trustee or director
1$0
MATT HUSSMANTREASURER
Trustee or director, Officer
1$0
KELLY JOHANNSENSECRETARY
Trustee or director, Officer
1$0
DON MAGGDIRECTOR
Trustee or director
1$0
RANDY PETERSONVICE PRESIDE
Trustee or director, Officer
1$0
TRISTON SCOTTDIRECTOR
Trustee or director
1$0
MARK STEARNSDIRECTOR
Trustee or director
1$0
MIKE TAMMENPRESIDENT
Trustee or director, Officer
1$0
TRAVIS VOELTZDIRECTOR
Trustee or director
1$0
990 for the year ended September 30, 2024: 11 people
NameTitleHours / weekCompensation
FARON WAHLCEO
Officer
40$57,372
MISTY YOUNGCFO
Officer
20$14,792
DAN ALGRADIRECTOR
Trustee or director
–$0
COURTNEY HANSENDIRECTOR
Trustee or director
1$0
BRAD HARMONTREASURER
Trustee or director, Officer
1$0
MATT HUSSMANDIRECTOR
Trustee or director
1$0
KELLY JOHANNSENSECRETARY
Trustee or director, Officer
1$0
DON MAGGDIRECTOR
Trustee or director
1$0
RANDY PETERSONVICE PRESIDE
Trustee or director, Officer
1$0
TRISTON SCOTTDIRECTOR
Trustee or director
1$0
MIKE TAMMENPRESIDENT
Trustee or director, Officer
1$0
990 for the year ended September 30, 2023: 11 people
NameTitleHours / weekCompensation
FARON WAHLCEO
Officer
40$52,157
MISTY YOUNGCFO
Officer
20$13,981
DAN ALGRADIRECTOR
Trustee or director
1$0
COURTNEY HANSENDIRECTOR
Trustee or director
1$0
BRAD HARMONTREASURER
Trustee or director, Officer
1$0
MATT HUSSMANDIRECTOR
Trustee or director
1$0
KELLY JOHANNSENSECRETARY
Trustee or director, Officer
1$0
DON MAGGDIRECTOR
Trustee or director
1$0
RANDY PETERSONVICE PRESIDE
Trustee or director, Officer
1$0
TRISTON SCOTTDIRECTOR
Trustee or director
1$0
MIKE TAMMENPRESIDENT
Trustee or director, Officer
1$0

Address and contacts

Address (IRS master file)
PO BOX 256, MADISON, SD 57042-0256
Principal officer (990 for 2024)
MIKE TAMMEN
Signed the 990
MIKE TAMMEN, PRESIDENT
Phone
(605) 256-3644
Return prepared by
WOHLENBERG RITZMAN & CO LLC

Mission

TO ESTABLISH, MAINTAIN, ENDOW, PERPETUATE, AND CARRY ON, IN LAKE COUNTY, SOUTH DAKOTA, A CHARITABLE AND EDUCATIONAL ENTERPRISE, SPECIFICALLY THE OPERATION OF A HISTORICAL MUNICIPALITY FOR NON PROFIT PURPOSES WITH ASSOCIATED ACTIVITIES.

990 for the year ended September 30, 2025

Program accomplishments

  • ACTIVITIES ARE FOR THE PRESERVATION AND EXPANSION OF THE LIVING PRAIRIE VILLAGE MUSEUM.
    Expenses $780,138 · revenue $523,316

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990 on file
2023September 30, 2024February 18, 2025990 on file

IRS record

EIN
46-6017308
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1966
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,455,257
Income (IRS master file)
$646,775

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$626,804$791,578$1,455,257XML
990September 2024$649,196$681,064$1,614,879XML
990September 2023$633,742$750,042$1,664,672XML
990September 2022$735,726$728,697$1,790,226IRS
990September 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS
990September 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 46-6017308).

Questions about PRAIRIE HISTORICAL SOCIETY

What is the EIN of PRAIRIE HISTORICAL SOCIETY?
The employer identification number (EIN) of PRAIRIE HISTORICAL SOCIETY is 46-6017308.
Is PRAIRIE HISTORICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1966.
Are donations to PRAIRIE HISTORICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does PRAIRIE HISTORICAL SOCIETY file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of PRAIRIE HISTORICAL SOCIETY due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PRAIRIE HISTORICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of PRAIRIE HISTORICAL SOCIETY?
The 990 for the year ended September 30, 2025 names MIKE TAMMEN.
Who are the officers and directors of PRAIRIE HISTORICAL SOCIETY?
The 990 for the year ended September 30, 2025 lists 11 people; 2 received compensation from the organization, the highest $58,895 (FARON WAHL, CEO).
How much revenue does PRAIRIE HISTORICAL SOCIETY have?
On its 990 for the year ended September 30, 2025 it reported revenue of $626,804, expenses of $791,578 and total assets of $1,455,257 at year end.

Other nonprofits in MADISON

All nonprofits in MADISON · South Dakota · Arts, culture and humanities