The Duke Family Foundation Inc

Private foundation · Grantmaker Boise, ID EIN: 20-3665416

The Duke Family Foundation Inc is a private foundation focused on Human Services, based in Boise, ID. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.6M in total assets. In 2025, it awarded 6 grants totaling $141K. Net investment income was $122K.

The Duke Family Foundation Inc at a glance

In short: The Duke Family Foundation Inc gave $141K across 6 grants in 2025 (avg $23K), mostly in Idaho. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$140,795
+2.1% vs 2024
Grants made (2025)
6
+0.0% vs 2024
Average grant
$23,466
+2.1% vs 2024
Median grant
$9,000
Total assets
$2,589,822
+6.1% vs 2024
Primary geography
Idaho (99% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who The Duke Family Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2025

Idaho Youth Ranch: $64KIdaho Youth Ranch$64KBig Brothers Big Sisters SW Idaho: $53KBig Brothers Big Sisters SWIdaho$53KKillebrew Thompson Memorial: $13KKillebrew Thompson Memorial$13KInspire Excellence: $6KInspire Excellence$6KBoise State University: $5KBoise State University$5KRonald McDonald House Charities: $2KRonald McDonald HouseCharities$2K

The largest 2025 recipient was Idaho Youth Ranch ($64K). Together the top 6 received $141K.

Grant Size Distribution

36 grants across all recorded years

31<$50K5$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 31 grants of 36 (86%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2025 grant dollars across all 6 itemized grants.

Cities

BoiseHaileyMadisonMeridianEagleSpokaneChallisFairfieldSalmon

How The Duke Family Foundation Inc gives

  • Giving grew 30% from 2022 to 2025. Method
  • In 2025 it paid out 89% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K7 grants2020 8 grants2021 7 grants2022 9 grants2023 6 grants2024 6 grants2025

From 2020 to 2025, annual grant giving ranged from $54K (2020) to $167K (2021). In 2025 it made 6 grants totaling $141K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Idaho Youth Ranch Boise, IDEducation and Support Services for at Risk Youth$64,000
Big Brothers Big Sisters SW Idaho Boise, IDYouth Education Mentoring & Recreational Services$52,545
Killebrew Thompson Memorial Hailey, IDCancer Research$12,500
Inspire Excellence Meridian, IDEducation and Job Training Skills for Youth$5,500
Boise State University Boise, IDEducation$4,500
Ronald McDonald House Charities Spokane, WAHumanitarian$1,750
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$2,589,822$427,387$276,606$140,7956$140,795$122,066$158,746
2024$2,441,784$438,251$270,971$137,9006$137,900$98,715$144,891
2023$2,274,504$345,510$284,964$155,1009$155,100$15,821$128,184
2022$2,213,958$-98,129$240,062$108,2257$108,225$23,495$126,232
2021$2,536,852$815,809$278,666$167,1788$167,178$469,300$140,335
2020$1,999,699$211,325$168,684$54,2507—$24,356$119,184

Under IRS private-foundation payout rules, The Duke Family Foundation Inc reported a distributable amount of $159K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Duke Family Foundation Inc is led by J. Brad Duke, President on every filing since 2020; 6 of 10 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • J. Brad Duke

    President

    On filings since 2020

    5 hrs/week

    $7K (2020) → $9K (2025)

  • Wm Lyman Belnap

    Executive Director

    On filings since 2020

    1 hr/week

    $500 (2020) → $1K (2025)

  • Andrew N. Wycherly

    Board Member

    On filings since 2020

    1 hr/week

    $2K (2020) → $0 (2025)

  • Bryan L. Palfreyman

    Treasurer

    On filings since 2020

    1 hr/week

    $2K (2020) → $0 (2025)

  • Edward L. Moore

    Vice President

    On filings since 2020

    1 hr/week

    $1K (2020) → $3K (2025)

  • John A. Grizzaffi

    Board Member

    On filings since 2020

    1 hr/week

    $1K (2020) → $3K (2025)

  • Patti L. Duke

    Secretary

    On filings since 2020

    2 hrs/week

    $3K (2020) → $4K (2025)

  • Todd H. Duke

    Board Member

    On filings since 2020

    1 hr/week

    $3K (2020) → $4K (2025)

  • David L. Palfreyman

    Board Member

    On filings since 2020

    1 hr/week

    No compensation reported

  • Terry L. Duke

    Board Member

    On filings since 2020

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: John H. Duke (2020–2024) — Chairman

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.

Compensation Overview

From 2025 IRS filing

J Brad Duke — President: $9KJ Brad DukePresident$9KTodd H Duke — Board Member: $4KTodd H DukeBoard Member$4KPatti L Duke — Secretary: $4KPatti L DukeSecretary$4KJohn a Grizzaffi — Board Member: $3KJohn a GrizzaffiBoard Member$3KEdward L Moore — Vice President: $3KEdward L MooreVice President$3KWm Lyman Belnap — Executive Director: $1KWm Lyman BelnapExecutive Director$1K

The highest reported compensation on the 2025 filing was $9K, to J Brad Duke (President). 6 officers or directors reported compensation on that filing.

Frequently asked questions about The Duke Family Foundation Inc

How much does The Duke Family Foundation Inc give each year?

The Duke Family Foundation Inc gave $141K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $138K across 6 grants.

What is The Duke Family Foundation Inc's typical grant size?

The Duke Family Foundation Inc's median grant in 2025 was $9,000, and its average grant was $23,466, across 6 grants on its 2025 IRS Form 990-PF.

Where does The Duke Family Foundation Inc give grants?

The Duke Family Foundation Inc gives mostly in Idaho: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boise, ID (3 grants).

Does The Duke Family Foundation Inc give general operating support?

Not in 2025: none of the 6 grants with a stated purpose on The Duke Family Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support.

Who are The Duke Family Foundation Inc's largest grantees?

The Duke Family Foundation Inc's largest 2025 grantees include Idaho Youth Ranch ($64,000), Big Brothers Big Sisters SW Idaho ($52,545) and Killebrew Thompson Memorial ($12,500), according to its 2025 IRS Form 990-PF. Together they received 92% of its itemized 2025 grant dollars.

How large is The Duke Family Foundation Inc?

The Duke Family Foundation Inc reported $2.6M in total assets on its 2025 IRS Form 990-PF. It paid out $141K in qualifying distributions that year, against a required minimum of $159K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What is The Duke Family Foundation Inc?

The Duke Family Foundation Inc is a private foundation focused on Human Services, based in Boise, ID. It holds $2.6M in total assets as of 2025.

What is The Duke Family Foundation Inc's EIN?

The Duke Family Foundation Inc's EIN (Employer Identification Number) is 20-3665416. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS April 28, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS April 29, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS April 25, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 24, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 8, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 5, 2026)

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Figures come from The Duke Family Foundation Inc'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.

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