Mount Rushmore National Memorial Society
Mount Rushmore National Memorial Society at a glance
In short: Mount Rushmore National Memorial Society gave $1.1M across 1 grant in 2025 (avg $1.1M), mostly in South Dakota. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $1,133,921
- +106.7% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $1,133,921
- +106.7% vs 2024
- Median grant
- $1,133,921
- Total assets
- $21,739,805
- +5.2% vs 2024
- Primary geography
- South Dakota (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Mount Rushmore National Memorial Society funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Department of Interior - NPS - Mount Rushmore National Memorial ($1.1M).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $1–5M range: 2 grants of 5 (40%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Mount Rushmore National Memorial Society gives
- Giving fell 27% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $134K (2021) to $1.6M (2022). In 2025 it made 1 grant totaling $1.1M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Department of Interior - NPS - Mount Rushmore National Memorial Keystone, SD | Aid to the Park | $1,133,921 |
Ready to take the next step with Mount Rushmore National Memorial Society?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $21,739,805 | $3,289,509 | $2,962,230 | $1,133,921 | 1 | $1,335,345 |
| 2024 | $20,657,217 | $3,123,880 | $2,755,474 | $548,509 | 1 | $1,317,665 |
| 2023 | $19,868,568 | $2,999,799 | $2,384,540 | $353,155 | 1 | $874,323 |
| 2022 | $17,948,059 | $2,119,121 | $3,542,423 | $1,554,599 | 1 | $587,195 |
| 2021 | $22,476,449 | $3,858,593 | $2,045,859 | $134,397 | 1 | $1,664,536 |
| 2020 | $19,945,732 | $1,244,190 | $1,638,193 | $145,758 | 2 | $294,714 |
| 2019 | $18,283,082 | $1,602,978 | $1,977,817 | $223,740 | 1 | $382,390 |
About Mount Rushmore National Memorial Society
Based on IRS filings
Mount Rushmore National Memorial Society is a public charity, based in Rapid City, SD. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $21.7M in total assets. In 2025, it awarded 1 grant totaling $1.1M. Net investment income was $1.3M.
Leadership & Key People
Officers and directors from IRS filings
Mount Rushmore National Memorial Society is led by Diana Nielsen, CEO on every filing since 2021; 3 of 15 officers listed in 2025 are compensated.
Officers on the 2025 filing
Diana Nielsen
CEO
On filings since 2021
40 hrs/week
$113K (2021) → $128K (2025)
Eileen Rossow
President
Board Member → Vice President, 2023
Vice President → President, 2025
On filings since 2020
5 hrs/week
No compensation reported
Jackie Spreizer
Director of Finance
On filings since 2021
40 hrs/week
$31K (2021) → $82K (2025)
Stephanie Helms
Director of Philanthropy
On filings since 2024
40 hrs/week
$104K (2024) → $108K (2025)
Aaron Galloway
Board Member
President → Past President, 2023
Past President → Board Member, 2025
On filings since 2019
3 hrs/week
No compensation reported
Anthony Cleberg
Treasurer
On filings since 2019
5 hrs/week
No compensation reported
Brian Hagg
Board Member
On filings since 2019
3 hrs/week
No compensation reported
Jeffrey Connolly
Board Member
Secretary → Board Member, 2023
On filings since 2019
3 hrs/week
No compensation reported
John Rozell
Board Member
On filings since 2019
3 hrs/week
No compensation reported
Marnie Herrmann
Past President
Vice President → President, 2023
President → Past President, 2025
On filings since 2019
5 hrs/week
No compensation reported
Toni Logar
Board Member
On filings since 2019
3 hrs/week
No compensation reported
Rollie Noem
Board Member
On filings since 2020
3 hrs/week
No compensation reported
Rich Kinzley
Vice President
Board Member → Secretary, 2023
Secretary → Vice President, 2025
On filings since 2021
5 hrs/week
No compensation reported
Andy Perucci
Board Member
On filings since 2024
3 hrs/week
No compensation reported
Dan Wenk
Secretary
Board Member → Secretary, 2025
On filings since 2024
5 hrs/week
No compensation reported
Former officers (9)
- Former: Michael Diedrich (2019–2024) — Board Member
- Former: Gary Brown (2019–2023) — Board Member
- Former: Kay Jorgensen (2019–2022) — Past President
- Former: Lloyd Sohl (2019–2021) — Board Member
- Former: Sandra Weaver (2019–2021) — Director of Finance
- Former: Tim Raben (2019–2021) — Board Member
- Former: Diana Saathoff (2019–2020) — CEO
- Former: Roxann Basham (2019–2020) — Board Member
- Former: Lynn Bauter (2019) — Director of Finance
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $128K, to Diana Nielsen (CEO). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Mount Rushmore National Memorial Society
How much does Mount Rushmore National Memorial Society give each year?
Mount Rushmore National Memorial Society gave $1.1M across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $549K across 1 grant.
How large is Mount Rushmore National Memorial Society?
Mount Rushmore National Memorial Society reported $21.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $3.3M.
Where does Mount Rushmore National Memorial Society operate?
Mount Rushmore National Memorial Society has awarded grants in South Dakota.
What is Mount Rushmore National Memorial Society's EIN?
Mount Rushmore National Memorial Society's EIN (Employer Identification Number) is 46-0258947. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2025 (received by the IRS May 14, 2026)
- Updated Form 990 for fiscal year 2021 (received by the IRS November 9, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 14, 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 May 9, 2025)
- Updated Form 990 for fiscal year 2019 (received by the IRS August 31, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS November 12, 2021)
Other open foundation grants in South Dakota
South Dakota Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Mount Rushmore National Memorial Society's focus areas in our free grants database
Similar Funders
Similar funders in South Dakota
South Dakota Community Foundation
Pierre, SD
The South Dakota Community Foundation funds nonprofits and charitable projects in areas including education, health, human services, culture, and economic development, primarily benefiting South Dakota communities. Its 2024 grants had a median of $18,562, while 2026 Beyond Idea Grants range from $5,000 to $100,000 per year. Eligible nonprofits can apply for South Dakota Fund and Beyond Idea Grants through its online portal.
Assets
$939.2M
Grants
390
Total Given
$39.7M
Sioux Falls Area Community Foundation Inc
Sioux Falls, SD
The Sioux Falls Area Community Foundation funds local charitable, educational, cultural, religious, community-development, and environmental needs, including new programs and nonprofit capacity building, primarily in the Sioux Falls area and surrounding communities. Its 2025 grants had a median of $25,000, though awards varied widely; organizations may submit a Letter of Inquiry for Community Fund Grants.
Assets
$390.9M
Grants
308
Total Given
$38.0M
Sanford Group Return
Sioux Falls, SD
Sanford Group Return funds health care access and outcomes, community wellbeing, workforce and education, and related community needs, including health professions education and research. In 2024, its median grant was $24,900, with awards ranging from $5,500 to $3.6 million; giving was concentrated in South Dakota, North Dakota, and Minnesota. Its Community Dividend Fund accepts online funding requests in South Dakota, Iowa, Minnesota, Montana, Nebraska, North Dakota, and Wyoming; whether unsolicited requests are accepted is not stated.
Assets
$4.3B
Grants
171
Total Given
$45.3M
Avera Health
Sioux Falls, SD
Avera Health supports eligible nonprofits working in health and wellness, unmet community health needs, healthy lifestyles, environmental and social initiatives, and civic or community development. Its 2025 grants ranged from $5,100 to $850,000, with a median of $17,737; funding is focused on central and eastern South Dakota and nearby parts of Minnesota, Iowa, North Dakota, and Nebraska. It accepts requests through its Community Partnership/Donation Request process and asks applicants to use its form.
Assets
$2.6B
Grants
109
Total Given
$6.2M
Black Hills Area Community Foundation
Rapid City, SD
The foundation funds community needs across areas including youth and families, social services, education, basic needs, arts, animal welfare, and nonprofit capacity building in seven Black Hills counties of South Dakota. Its 2025 grants had a median award of $15,000; the profile does not state whether it accepts unsolicited requests.
Assets
$95.1M
Grants
120
Total Given
$5.7M
Ch Robinson Worldwide Foundation
Sioux Falls, SD
The foundation funds community needs, supply-chain and logistics initiatives, and environmental sustainability, with a Twin Cities program focused on hunger, shelter, K–12 education, and workforce development. Its 2024 grants ranged from $750 to $2.69 million, with a median of $5,000; its Twin Cities program focuses on Minneapolis–St. Paul, while grants also went to organizations elsewhere. The Strategic Industry program is invitation-only, while the Twin Cities program has an application process.
Assets
$18.2M
Grants
87
Total Given
$4.0M
More similar funders
More Funders in South Dakota
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Mount Rushmore National Memorial Society's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Mount Rushmore National Memorial Society down — hundreds of funders to go?