MOUNT RUSHMORE NATIONAL MEMORIAL SOCIETY Charity Report

Public IRS 990 nonprofit record

MOUNT RUSHMORE NATIONAL MEMORIAL SOCIETY

EIN 46-0258947 · Historical Societies & Historic Preservation (A82)

What they do

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.

Before you give

Should I give to this charity?

Easy charity check

Look at where the money went

Of every $100 spent, about $70.90 was reported for mission work. Use the spending picture below and ask what results that work produced.

Plain answer: A tax form cannot prove that a charity is doing good. It can show how the charity says it spent its money—and point out questions you should ask.

Basic facts we verified

IRS warning checkNo IRS revocation warning appears in this data.

Money report from 2025The charity has a recent tax report to read.

They explain their jobThe charity tells us what it is trying to do.

They name their leaders15 people are listed in the latest report.

You can reach themThey list contact information, so you can ask questions.

Money made simple

63.86%of revenue went to mission work70.9% of expenses · Program services

9.13%of revenue went to fundraising10.1% of expenses

$90.05spent for every $100 of revenueRevenue covered expenses this year.

17.05%of revenue went to management and office costs18.9% of expenses

$7.34in assets for every $1 spent this yearSome assets cannot be spent right away.

32.3%of its money came from giftsOther money may come from services or investments.

Ask these three easy questions

Who did you help? Ask for a recent story or report that shows real results.
What will my money do? Ask exactly what your gift will pay for.
Is this really the charity? Give only through its official website or confirmed phone number.

Pay context: The highest compensation shown in this filing is $127,892 for DIANA NIELSEN (CEO). Compare pay with organizations of similar size and complexity.

Bottom line: Do not decide from a name, mission statement, or tax status alone. Look at where the money went, then ask what changed, who was helped, and what your gift will do. YouCanGiveBack does not endorse or grade organizations.

Money

Financial picture

Tax year 2025

A plain-language look at the latest Form 990 figures available. These numbers help you ask better questions; they do not, by themselves, rate whether a charity is good or bad.

$100revenue

How each $100 of revenue was used

The large number compares each expense with revenue. The smaller number shows its share of total expenses.

Total reported revenue$3,289,509

Mission workProgram services$2,100,81663.86% of revenue70.9% of expenses

ManagementOffice and general costs$560,95017.05% of revenue18.9% of expenses

FundraisingAsking for donations$300,4649.13% of revenue10.1% of expenses

Revenue left after expensesReported annual surplus$327,2799.95% of revenueShown in gray on the chart

Total expenses$2,962,23090.05% of revenue

Gray means reported revenue left after expenses for this filing year. It does not necessarily mean cash sitting in a bank account.

Has the pattern changed?

Colored bars = expense mix: how each year’s expenses were divided. Total expenses vs. revenue shows whether the charity spent less or more than it received. The current filing is first.

YearExpense mixDetails

2025CurrentExpense mix: 70.9% mission · 18.9% management · 10.1% fundraisingTotal expenses: 90.05% of revenue

2024Expense mix: 62.7% mission · 29.5% management · 7.8% fundraisingTotal expenses: 88.21% of revenue

2023Expense mix: 59.7% mission · 31.4% management · 8.8% fundraisingTotal expenses: 79.49% of revenue

2022Expense mix: 71.7% mission · 23.6% management · 4.7% fundraisingTotal expenses: 167.16% of revenue

2021Expense mix: 51.6% mission · 39.3% management · 9.1% fundraisingTotal expenses: 53.02% of revenue

2020Expense mix: 55.4% mission · 34.3% management · 10.3% fundraisingTotal expenses: 131.67% of revenue

2019Expense mix: 73.8% mission · 20.3% management · 5.9% fundraisingTotal expenses: 123.38% of revenue

2018Expense mix: 68.4% mission · 20.9% management · 10.7% fundraisingTotal expenses: 106.90% of revenue

Money in and money out

Revenue$3,289,509

Expenses$2,962,230

Annual surplus $327,279 Revenue was higher than expenses for this filing year.

Reported spending amounts

Mission work means the Form 990 category called program services. These are reported accounting categories—not an independent measurement of results.

Mission work (program services)$2,100,816 · 70.9% of expenses

Management and office costs$560,950 · 18.9% of expenses

Fundraising$300,464 · 10.1% of expenses

See all reported dollar amounts

Revenue$3,289,509

Expenses$2,962,230

Assets$21,739,805

Income$8,043,493

Contributions$1,061,709

Mission work (program services)$2,100,816

Fundraising$300,464

Grants given$4,328,109

Average grant$480,901

Management and general$560,950

Executive compensation (total)$179,969

Stocks and bonds$17,259,375

Accounting fees$26,231

Investing fees$82,550

People

Leadership and board

Tax year 2025

Names, titles, time, and compensation below are reported by the organization on its Form 990.

People reported as paid

Person and titleCompensation

DIANA NIELSENCEO · 40 hrs/week $127,892

STEPHANIE HELMSDIRECTOR OF PHILANTHROPY · 40 hrs/week $107,510

JACKIE SPREIZERDIRECTOR OF FINANCE · 40 hrs/week $81,898

Compensation alone does not tell whether pay is reasonable. Consider the charity’s size, work, location, and results.

See everyone listed on the board or leadership roster (15)

DIANA NIELSENCEO

STEPHANIE HELMSDIRECTOR OF PHILANTHROPY

JACKIE SPREIZERDIRECTOR OF FINANCE

AARON GALLOWAYBOARD MEMBER

ANDY PERUCCIBOARD MEMBER

ANTHONY CLEBERGTREASURER

BRIAN HAGGBOARD MEMBER

DAN WENKSECRETARY

EILEEN ROSSOWPRESIDENT

JEFFREY CONNOLLYBOARD MEMBER

JOHN ROZELLBOARD MEMBER

MARNIE HERRMANNPAST PRESIDENT

RICH KINZLEYVICE PRESIDENT

ROLLIE NOEMBOARD MEMBER

TONI LOGARBOARD MEMBER

About this charity

Recognized since: January 1944
Location: 830 MAIN ST, RAPID CITY, SD 57701-2638
County: Pennington
In care of: % DIANA NIELSEN
Primary officer: Diana Nielsen, CEO

How to reach them

WebsiteVisit the charity’s website Emailinfo@mtrushmore.org Phone(605) 341-8883

Filing and classification

Latest tax year: 2025
Tax period began: January 1, 2025
Return type: 990
NTEE classification: Historical Societies & Historic Preservation (A82)
IRS tax category: Historical Societies & Historic Preservation
Grant-giving organization: Yes