Nonprofit · EIN 20-2503955
MINNESOTA DISCOVERY CENTER
Tax-exempt · CHISHOLM, MN 55719
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $4,528,239 | $3,581,818 | $946,421 | $16,032,129 | $963,957 | $15,068,172 |
| June 30, 2024 | 990 | $3,958,539 | $3,299,669 | $658,870 | $14,974,066 | $586,011 | $14,388,055 |
| June 30, 2023 | 990 | $2,868,636 | $3,114,338 | -$245,702 | $13,941,370 | $442,306 | $13,499,064 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $2,838,843
- of which government grants
- $2,725,442
- Program service revenue
- $381,323
- Investment income
- $1,022,302
- Net income from sales of inventory
- $237,003
- Other revenue
- $285,771
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $101,731
- Other salaries and wages
- $1,548,019
- Salaries, compensation and benefits (total)
- $1,892,307
- Professional fundraising fees
- $0
- Legal fees
- $2,394
- Accounting fees
- $15,835
- Occupancy
- $223,013
- Travel
- $38,172
- Depreciation
- $358,533
- Program services (functional)
- $2,969,578
- Management and general (functional)
- $583,630
- Fundraising (functional)
- $28,610
Balance sheet and other
- Total assets, start of year
- $14,974,066
- Total assets, end of year
- $16,032,129
- Total liabilities, end of year
- $963,957
- Net assets, end of year
- $15,068,172
- Land, buildings and equipment
- $4,436,893
- Net assets without donor restrictions
- $4,933,666
- Net assets with donor restrictions
- $10,134,506
- Gross unrelated business income
- $469,210
- Gross receipts
- $4,681,446
- Employees
- 89
- Volunteers
- 41
- Year formed
- 2005
- State of legal domicile
- MN
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| CHAR CONGER | EXECUTIVE DI Officer | 40 | $84,760 | $231 |
| ROBIN HARKONEN | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| BETSY OLIVANTI | VICE CHAIR/T Trustee or director, Officer | 1 | $0 | $0 |
| PAUL PINKOSKI | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| MIRIAM KERO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| CORIE EKHOLM | DIRECTOR Trustee or director | 1 | $0 | $0 |
| STACY OLTMANNS | DIRECTOR Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2024: 10 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DONNA JOHNSON | EXECUTIVE DI Officer | 40 | $104,873 | $19,713 |
| ROBIN HARKONEN | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| BETSY OLIVANTI | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| PAUL PINKOSKI | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| NICHOLAS MATHIOWETZ | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| MICHAEL FREDEEN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MIRIAM KERO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JULIE LUCAS | DIRECTOR Trustee or director | 1 | $0 | $0 |
| SIERRA NAPOLI-THEIN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| CHAR CONGER | EXECUTIVE DI Officer | 40 | $0 | $0 |
990 for the year ended June 30, 2023: 11 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DONNA JOHNSON | EXECUTIVE DI Officer | 40 | $93,618 | $16,379 |
| ROBIN HARKONEN | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| BETSY OLIVANTI | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| NICHOLAS MATHIOWETZ | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| PAUL PINKOSKI | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| MICHAEL FREDEEN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JULIE LUCAS | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KEITH TURNER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MIRIAM KERO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOSHUA AIKEY | DIRECTOR Trustee or director | 1 | $0 | $0 |
| SIERRA NAPOLI-THEIN | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1005 DISCOVERY DR, CHISHOLM, MN 55719-1980
- In care of
- % TAMMY MATTONEN
- Principal officer (990 for 2024)
- CHAR CONGER, 1005 DISCOVERY DRIVE, CHISHOLM, MN 55719
- Signed the 990
- CHAR CONGER, EXECUTIVE DIRECTOR
- Phone
- (218) 254-7959
- Return prepared by
- ESTERBROOKS CPAS LTD
Mission
WE BRING THE MINNESOTA IRON RANGE STORIES TO LIFE - PAST, PRESENT, AND FUTURE.
Program accomplishments
- MUSEUM & RESEARCH: THE MUSEUM AND RESEARCH LIBRARY PROVIDES AN EDUCATIONAL EXPERIENCE TO OUR PATRONS. THIS EXPERIENCE IS THROUGH EXHIBITION, RESEARCH, LECTURES AND TOURS. OTHER EDUCATIONAL PROGRAMS ARE OFFERED TO OUR PATRONS BASED ON VARIOUS EXHIBITS AND EVENTS. THESE EXPENSES ALSO INCLUDE ADMINISTRATIVE COSTS.Expenses $1,067,480 · revenue $149,116
- VISITOR SERVICES: THE VISITOR SERVICES EXPENSE IS USED TO PROVIDE PROGRAMMING IN SUPPORT OF OUR CULTURAL AND EDUCATIONAL MISSION. FUNDS ARE USED TO PAY STAFF, PERFORMERS, LICENSING AGREEMENTS, AND OTHER LIKE EXPENSES.Expenses $1,043,367
- BUILDINGS & GROUNDS: IN GENERAL, THESE EXPENSES INCLUDE MAINTAINING OUR PHYSICAL PLANT, HISTORIC STRUCTURES, AND GENERAL OPERATIONAL SUPPLIES FOR OUR MUSEUM AND LIBRARY.Expenses $858,731
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 20-2503955
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2005
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B90)
- Assets (IRS master file)
- $16,032,129
- Income (IRS master file)
- $4,681,446
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $4,528,239 | $3,581,818 | $16,032,129 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $3,958,539 | $3,299,669 | $14,974,066 | XML |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $2,868,636 | $3,114,338 | $13,941,370 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $2,992,585 | $2,591,549 | $14,280,268 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 20-2503955).
Questions about MINNESOTA DISCOVERY CENTER
- What is the EIN of MINNESOTA DISCOVERY CENTER?
- The employer identification number (EIN) of MINNESOTA DISCOVERY CENTER is 20-2503955.
- Is MINNESOTA DISCOVERY CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
- Are donations to MINNESOTA DISCOVERY CENTER tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MINNESOTA DISCOVERY CENTER file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of MINNESOTA DISCOVERY CENTER due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MINNESOTA DISCOVERY CENTER last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of MINNESOTA DISCOVERY CENTER?
- The 990 for the year ended June 30, 2025 names CHAR CONGER.
- Who are the officers and directors of MINNESOTA DISCOVERY CENTER?
- The 990 for the year ended June 30, 2025 lists 7 people; 1 received compensation from the organization, the highest $84,760 (CHAR CONGER, EXECUTIVE DI).
- How much revenue does MINNESOTA DISCOVERY CENTER have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $4,528,239, expenses of $3,581,818 and total assets of $16,032,129 at year end.
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