Riley County Historical Society logo

Riley County Historical Society

Public charity · Grantmaker Manhattan, KS EIN: 48-0646424 Website

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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

LawrenceManhattan

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K$40K1 grant2019 1 grant2020 1 grant2021 1 grant2022 1 grant2023 1 grant2024 1 grant2025

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

Riley County: $33KRiley County$33K

The largest 2025 recipient was Riley County ($33K).

Grant Size Distribution

5 grants across all recorded years

5<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 5 grants of 5 (100%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Riley County Manhattan, KS—$32,500

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$200K$400K$600K$800K2019 2020 2021 2022 2023 2024 2025
Metric202520242023
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

  1. Added Form 990 for fiscal year 2019 (received by the IRS August 25, 2020)
  2. Updated Form 990 for fiscal year 2020 (received by the IRS September 29, 2021)
  3. Updated Form 990 for fiscal year 2021 (received by the IRS November 15, 2022)
  4. Updated Form 990 for fiscal year 2022 (received by the IRS May 15, 2023)
  5. Updated Form 990 for fiscal year 2023 (received by the IRS November 15, 2024)
  6. Updated Form 990 for fiscal year 2024 (received by the IRS July 16, 2025)
  7. 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.

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