Riley County Historical Society
Preservation, presentation and promotion of local and Kansas history.
Key facts about Riley County Historical Society
In short: Riley County Historical Society gave $33K across 1 grant in 2025 (avg $33K), mostly in Kansas. Source: 2025 IRS Form 990.
- EIN
- 48-0646424
- Latest 990 filing
- Form 990, 2025
- Annual giving (2025)
- $32,500
- Grants made (2025)
- 1
- Average grant
- $32,500
- Median grant
- $32,500
- Total assets
- $6,695,020
- Primary geography
- Kansas (100% of itemized 2025 grant dollars)
Data from IRS Form 990, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990 · View filing
Total Assets
$6.7M
+10.0% YoY
Annual Giving
$33K
+33.5% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$33K
+33.5% YoY
How Riley County Historical Society gives
- Giving grew 57% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
About Riley County Historical Society
Based on IRS filings
Riley County Historical Society is a public charity focused on Arts, Culture & Humanities, based in Manhattan, KS. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $6.7M in total assets. In 2025, it awarded 1 grant totaling $33K. Net investment income was $568K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $16K (2019) to $33K (2025). In 2025 it made 1 grant totaling $33K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Riley County ($33K).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was under $50K: 5 grants of 5 (100%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Riley County Manhattan, KS | — | $32,500 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $6,695,020 | $6,086,291 | $5,616,429 |
| Revenue | $604,478 | $349,474 | $195,640 |
| Expenses | $200,634 | $192,746 | $115,720 |
| Net Investment Income | $567,585 | $310,880 | $152,414 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS August 25, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS September 29, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS November 15, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 15, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS July 16, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS August 19, 2026)
Leadership & Key People
Officers and directors from IRS filings
Riley County Historical Society is led by Mary Mertz, President since 2024 (on filings since 2020); none of the 17 officers listed in 2025 report compensation.
Officers on the 2025 filing
Mary Mertz
President
Membership S → Vice President, 2022
Vice President → President, 2024
On filings since 2020
No compensation reported
Gloria Freeland
Director
Correspond S → Program Chai, 2021
Program Chai → Director, 2022
On filings since 2019
No compensation reported
Charlene Brownson
Director
On filings since 2024
No compensation reported
Jana McKinley
Director
On filings since 2024
No compensation reported
Joe Knopp
Director
On filings since 2024
No compensation reported
Larissa Oshima
Director
On filings since 2024
No compensation reported
Lauren Ritterbush
Director
On filings since 2024
No compensation reported
Rafael Garcia
Director
On filings since 2024
No compensation reported
Jen Pursley
Director
New on the 2025 filing
No compensation reported
Katharine Hensler
Director
New on the 2025 filing
No compensation reported
Mary Kohn
Director
New on the 2025 filing
No compensation reported
Robin Edmunds
Director
New on the 2025 filing
No compensation reported
Steve Smethers
Director
New on the 2025 filing
No compensation reported
Dori Milldyke
Past President
Director → President, 2021
President → Past President, 2022
On filings since 2019
No compensation reported
Carol Hockersmith
Vice President
Program Chai → Secretary, 2024
Secretary → Vice President, 2025
On filings since 2022
No compensation reported
Colene Lind
Secretary
Secretary → Vice President, 2024
Vice President → Secretary, 2025
On filings since 2022
No compensation reported
Janet Lowell
Treasurer
Director → Treasurer, 2024
On filings since 2022
No compensation reported
Former officers (22)
- Former: Janet Duncan (2019–2024) — Director
- Former: Margaret Pendleton (2019–2024) — Director
- Former: Andy Larson (2021–2024) — Director
- Former: Dave Baker (2021–2024) — Director
- Former: Judy Kimball (2022–2024) — Secretary
- Former: Debbi Thompson (2019–2023) — President
- Former: Lynne Berry (2019–2023) — Secretary
- Former: Mary Stamey (2019–2023) — Director
- Former: Robert Haines (2019–2023) — Director
- Former: Brad Hartenstein (2022–2023) — Director
- Former: Janice Reitz (2022–2023) — Director
- Former: Chris Bowman (2019–2021) — Director
- Former: Cole Roe (2019–2021) — Treasurer
- Former: Marla Day (2019–2021) — Director
- Former: Roger Reitz (2019–2021) — Past President
- Former: Jed Dunham (2020–2021) — Director
- Former: Joan Strickler (2019–2020) — Membership S
- Former: John White (2019–2020) — Director
- Former: Peggy Honey (2020) — Director
- Former: Cindy Blaker Labarge (2019) — Director
- Former: Judy Regehr (2019) — Past President
- Former: Kent Smith (2019) — Program Chai
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Riley County Historical Society
How much does Riley County Historical Society give each year?
Riley County Historical Society gave $33K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $24K across 1 grant.
How large is Riley County Historical Society?
Riley County Historical Society reported $6.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $604K.
What is Riley County Historical Society?
Riley County Historical Society is a public charity focused on Arts, Culture & Humanities, based in Manhattan, KS. It holds $6.7M in total assets as of 2025.
Where does Riley County Historical Society operate?
Riley County Historical Society has awarded grants in Kansas.
What is Riley County Historical Society's EIN?
Riley County Historical Society's EIN (Employer Identification Number) is 48-0646424. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching Riley County Historical Society by hand.
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