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Mount Rushmore National Memorial Society of Black Hills

Since 1930 the Mount Rushmore National Memorial Society the Society has been the official fundraising partner for Mount Rushmore National Memorial the Memorial working toward the creation promotion …

Mount Rushmore National Memorial Society

Rapid City, SD EIN: 460258947 (IRS) Sign up to see website
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75
Integrity Assessment
Strong transparency
75/100 · methodology

About Mount Rushmore National Memorial Society of Black Hills

Mount Rushmore National Memorial Society of Black Hills is a nonprofit organization based in RAPID CITY, United States. Annual revenue: $3.9 million. EIN: 460258947.

Founded
Headquarters
Rapid City, SD
Foundation type
Publicly-supported charity (509(a)(2))
IRS subsection
501(c)(c3)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1944

Mission

Since 1930 the Mount Rushmore National Memorial Society the Society has been the official fundraising partner for Mount Rushmore National Memorial the Memorial working toward the creation promotion and supporting educational programs of the sculpture its history and natural resources scientific educational and interpretive studies. In collaboration with the National Park Service the Society shares a mission of protecting and preserving the Memorial while providing inspirational experiences for people from around the world by providing publications audio tours trail opportunities educational forums special events and national celebrations. In addition the Society promotes the arts and studies in the principles and history of democracy.

Focus areas & reach

· What they work on and where

How it stacks up against peers

· vs. 8 similar environment in United States
Program spending This charity: 60%
Peer average: 78%
CEO comp as % of revenue This charity: 4.12%
Peer average: 0.48%
Integrity Assessment This charity: 75
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2023 · IRS 990 (FY2023)
$0.60
Program$0.60

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

From what GiveRadar has verified so far, Mount Rushmore National Memorial Society of Black Hills has a complete profile, cross-referenced across 3 independent sources including the IRS.

  • Established in 1930, it is among the oldest environment charities in the United States GiveRadar tracks. View this cohort
  • GiveRadar holds a more complete profile for this organization than for 82% of the 30,143 environment charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
  • It has more complete contact information than nearly all comparable organizations, with a verified website, email, phone and address on record. See national comparisons
GiveRadar has verified
  • government registration
  • financial records (4 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • a donation page
Not yet verified by GiveRadar
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Mount Rushmore National Memorial Society of Black Hills is a registered environment nonprofit based in Rapid City, SD, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1930 and has been operating for 96 years. Its EIN is 460258947. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 75/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $3M in annual revenue. 67 officers and directors are publicly disclosed. No red flags have been detected.

Mount Rushmore National Memorial Society of Black Hills's EIN (Employer Identification Number) is 460258947. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Mount Rushmore National Memorial Society of Black Hills has a GiveRadar Integrity Assessment of 75/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 75 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for environment charities in United States is 90/100.

Mount Rushmore National Memorial Society of Black Hills is located in Rapid City, SD, United States. The organization was established in 1930 and has been active for 96 years.

Based on official tax filings, Mount Rushmore National Memorial Society of Black Hills has $3M in annual revenue. It allocates 60% of expenses to programs and services. This is below the average of 78% for environment charities in United States. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Mount Rushmore National Memorial Society of Black Hills is classified as an Environment organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a medium organization. It has $3M in annual revenue. The organization has 67 disclosed officers and directors.

No red flags have been detected for Mount Rushmore National Memorial Society of Black Hills. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

According to GiveRadar's records, Mount Rushmore National Memorial Society of Black Hills holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 60% of expenses go to programs (the peer average is 78%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

Mount Rushmore National Memorial Society of Black Hills is a nonprofit organization based in RAPID CITY, United States. Annual revenue: $3.9 million. EIN: 460258947. Mount Rushmore National Memorial Society of Black Hills is classified as an environment organization registered in United States. The organization was founded in 1930.

Among environment charities registered in United States: It allocates 60% of expenses to programs, below the peer average of 78%. Its annual revenue of $3M is comparable to the peer average of $2M.

Yes, donations to Mount Rushmore National Memorial Society of Black Hills are generally tax-deductible in the United States. Its EIN is 460258947, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$1M-$10M
60% to programs
Source: IRS 990 (FY2023) why this matters
Unlock exact figures

Filing history

4 years on file from IRS 990 (FY2023): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2023, FY2022, FY2021, FY2020.
Financial details are free - with a GiveRadar account

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Staff & volunteers

From filings and published profiles

Employees
61

Leadership

From FY2023 filing

DI
Diana N••••••
CEO

Officers & trustees (19)

Source: Public filings

See full names, roles, and stories

19 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$3.0M revenue
FY2023
IRS 990
Form filed
$2.1M revenue
FY2022
IRS 990
Form filed
$3.9M revenue
FY2021
IRS 990
Form filed
$1.2M revenue
FY2020
IRS 990

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
Environment this charity 30,143
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2023 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 67 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
90%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2023 on record
  • Named leadership · 67 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1930
Not available · 1
  • Programs & activities
    No named programs listed by the charity

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Mount Rushmore National Memorial Society of Black Hills

What is Mount Rushmore National Memorial Society of Black Hills?
Mount Rushmore National Memorial Society of Black Hills is a environment publicly-supported charity (509(a)(2)) based in Rapid City, United States. Mount Rushmore National Memorial Society of Black Hills is a nonprofit organization based in RAPID CITY, United States. Annual revenue: $3.9 million. EIN: 460258947.
When was Mount Rushmore National Memorial Society of Black Hills founded?
Mount Rushmore National Memorial Society of Black Hills was founded in 1930.
Who leads Mount Rushmore National Memorial Society of Black Hills?
Diana Nielsen serves as CEO.
Where is Mount Rushmore National Memorial Society of Black Hills located?
Headquartered in Rapid City, SD, United States.
What is Mount Rushmore National Memorial Society of Black Hills's annual budget?
Annual revenue for fiscal year 2023 is approximately $1M-$10M. 60% of expenses go to program services.
Is Mount Rushmore National Memorial Society of Black Hills trustworthy?
Mount Rushmore National Memorial Society of Black Hills has a GiveRadar Integrity Assessment of 75 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Mount Rushmore National Memorial Society of Black Hills's registration number?
IRS EIN: 460258947.
What is Mount Rushmore National Memorial Society of Black Hills's website?
http://www.mountrushmoresociety.com