Duke Family Foundation
Duke Family Foundation is a private foundation based in Rapid City, South Dakota. It made 18 grants totaling $11,494 in 2025, supporting charitable organizations including schools, health organizations, a zoo-related society, a church, and community organizations.
Duke Family Foundation at a glance
In short: Duke Family Foundation gave $11K across 18 grants in 2025 (avg $638.556), top state South Dakota. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $11,494
- -0.6% vs 2024
- Grants made (2025)
- 18
- -25.0% vs 2024
- Average grant
- $639
- +32.6% vs 2024
- Median grant
- $242
- Total assets
- $96,402
- -3.5% vs 2024
- Primary geography
- South Dakota (39% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Duke Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. No application process or required materials are specified.
- Contact
Mailing address: 2458 Ambush Ranch Rd, Rapid City, SD 57703
Phone: (406) 989-0580
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Duke Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Jim Hill Middle School ($3K). Together the top 10 received $11K.
Grant Size Distribution
99 grants across all recorded years
The most common grant size was under $50K: 99 grants of 99 (100%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars went to recipients in South Dakota (39%), North Dakota (26%), Texas (15%), Montana (11%), and Minnesota (9%).
Grant Distribution by State
Share of 2025 grant dollars across all 18 itemized grants.
States
Cities
How Duke Family Foundation gives
- 28% of 2025 grantees were also funded in 2024. Method
- Giving grew 153% from 2022 to 2025. Method
- In 2025 it paid out 230% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $3K (2020) to $13K (2021). In 2025 it made 18 grants totaling $11K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jim Hill Middle School Minot, ND | Charitable Contribution | $3,000 |
| American Heart Association Dallas, TX | Charitable Contribution | $1,760 |
| Black Hills Quilters Guild Rapid City, SD | Charitable Contribution | $1,540 |
| Monument Health Foundation Rapid City, SD | Charitable Contribution | $1,370 |
| ALS Association St. Paul, MN | Charitable Contribution | $1,000 |
| Plentywood High School Plentywood, MT | Charitable Contribution | $700 |
| Calvary Lutheran Church Rapid City, SD | Charitable Contribution | $400 |
| South Park Elementary School Rapid City, SD | Charitable Contribution | $337 |
| Toys for Tots Rapid City, SD | Charitable Contribution | $283 |
| Bear Country Rapid City, SD | Charitable Contribution | $200 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $96,402 | $8,390 | $11,933 | $11,494 | 18 | $11,494 | $5,306 | $4,997 |
| 2024 | $99,945 | $12,413 | $20,335 | $11,561 | 24 | $11,561 | $6,401 | $5,182 |
| 2023 | $107,867 | $4,985 | $8,604 | $7,016 | 21 | $7,016 | $4,309 | $5,343 |
| 2022 | $111,486 | $1,311 | $6,575 | $4,546 | 17 | $9,092 | $5,065 | $5,736 |
| 2021 | $116,750 | $16,521 | $15,195 | $13,029 | 19 | $26,058 | $7,943 | $6,165 |
| 2020 | $115,424 | $3,799 | $2,759 | $2,759 | 4 | — | $2,799 | $495 |
Under IRS private-foundation payout rules, Duke Family Foundation reported a distributable amount of $5K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants went to organizations including schools, health organizations, a church, a quilting guild, and a zoo-related society. The American Heart Association describes its mission as “a relentless force for a world of longer, healthier lives.” The Lake Area Zoological Society says it promotes interest in Bramble Park Zoo and supports the zoo’s development and programs through fundraising, marketing, and other initiatives.
Grantmaking
In 2025, the foundation gave 18 grants totaling $11,494. Grants ranged from $60 to $3,000, with a median of $242. Among the largest were $3,000 to Jim Hill Middle School in Minot, North Dakota; $1,760 to the American Heart Association in Dallas, Texas; $1,540 to Black Hills Quilters Guild in Rapid City, South Dakota; $1,370 to Monument Health Foundation in Rapid City; and $1,000 to the ALS Association in St. Paul, Minnesota. Lake Area Zoological Society in Watertown, South Dakota, received $130.
Leadership & Key People
Leadership team and compensation from IRS filings
Scott Duke and Darcy Duke were listed as directors on the 2025 filing.
Duke Family Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Darcy Duke
Director
On filings since 2020
No compensation reported
Scott Duke
Director
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 Duke Family Foundation
How much does Duke Family Foundation give each year?
Duke Family Foundation gave $11K across 18 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $12K across 24 grants.
What is Duke Family Foundation's typical grant size?
Duke Family Foundation's median grant in 2025 was $242, and its average grant was $639, across 18 grants on its 2025 IRS Form 990-PF.
Where does Duke Family Foundation give grants?
Duke Family Foundation's top state is South Dakota, with 39% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were North Dakota (26%) and Texas (15%). The most frequent recipient cities were Rapid City, SD (8 grants), Plentywood, MT (2 grants) and Glendive, MT (2 grants).
Who are Duke Family Foundation's largest grantees?
Duke Family Foundation's largest 2025 grantees include Jim Hill Middle School ($3,000), American Heart Association ($1,760) and Black Hills Quilters Guild ($1,540), according to its 2025 IRS Form 990-PF. Together they received 55% of its itemized 2025 grant dollars.
How large is Duke Family Foundation?
Duke Family Foundation reported $96K in total assets on its 2025 IRS Form 990-PF. It paid out $11K in qualifying distributions that year, against a required minimum of $5K (roughly 5% of its investment assets).
What does Duke Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants went to organizations including schools, health organizations, a church, a quilting guild, and a zoo-related society. See mission & focus areas ↑
How do I apply for a grant from Duke Family Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Duke Family Foundation's EIN?
Duke Family Foundation's EIN (Employer Identification Number) is 27-4359180. IRS Form 990 filing data is available on this page for 2020–2025.
Does Duke Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 4, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS March 13, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 12, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 5, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 13, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS August 24, 2021)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Duke Family Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
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Browse active grant opportunities in Duke Family Foundation's focus areas in our free grants database
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