The Michigan State Capitol

Form 990-PFTax year 2024EIN 38-6080075

Ralph L & Winifred E Polk Foundation

A private foundation in Birmingham, MI. Its return for tax year 2024 lists 37 grants and $758,500 paid in grants.

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

5 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $758,500

    Grants listed
    37
    Assets, end of year
    $16,252,806
  • Tax year 2023

    $752,500

    Grants listed
    41
    Assets, end of year
    $13,942,952
  • Tax year 2022

    $728,000

    Grants listed
    49
    Assets, end of year
    $13,255,081
  • Tax year 2021

    $890,500

    Grants listed
    50
    Assets, end of year
    $14,162,386
  • Tax year 2020

    $830,500

    Grants listed
    59
    Assets, end of year
    $14,170,017

Grants paid in 2024

37 grants, largest first

As listed on the return.

  1. Detroit Zoological SocietyRoyal Oak, MI

    Zoological services

    $100,000
  2. Grand Traverse Regional Land ConservancyTraverse City, MI

    Nature conservation and promotion

    $50,000
  3. The Nature ConservancyLansing, MI

    Nature conservation and promotion

    $50,000
  4. Trinity Health St Joseph Mercy OaklandPontiac, MI

    General fund

    $50,000
  5. Cherryland Humane SocietyTraverse City, MI

    Animal care and support

    $25,000
  6. College for Creative StudiesDetroit, MI

    Higher education

    $25,000
  7. Michigan Humane SocietyDetroit, MI

    Animal care and support

    $25,000
  8. Cranbrook Educational CommunityBloomfld HLS, MI

    Education services

    $25,000
  9. Cornerstone Schools FoundationDetroit, MI

    Education services

    $20,000
  10. Forgotten HarvestOak Park, MI

    Services for the underprivileged

    $20,000
  11. Gleaners Community Food BankDetroit, MI

    Services for the underprivileged

    $20,000
  12. Greening of DetroitDetroit, MI

    Nature conservation and promotion

    $20,000
  13. Interlochen Center for the ArtsInterlochen, MI

    Promotion of the arts

    $20,000
  14. Michigan Science CenterDetroit, MI

    Education services

    $20,000
  15. Racquet Up DetroitDetroit, MI

    Physical education services

    $20,000
  16. Rose HillHolly, MI

    Mental health services

    $20,000
  17. Say DetroitSouthfield, MI

    Community services

    $20,000
  18. Boldli Exceptional Youth ServicesDetroit, MI

    Youth services

    $20,000
  19. Humble Design IncSouthfield, MI

    Services for the underprivileged

    $15,500
  20. Father Fred FoundationTraverse City, MI

    General welfare services

    $15,000
  21. Great Lakes Children's MuseumTraverse City, MI

    Historical preservation

    $15,000
  22. Judson CenterFarmington Hills, MI

    Youth services

    $15,000
  23. Midnight Golf ProgramDetroit, MI

    Youth services

    $15,000
  24. Wdet Detroit Public RadioDetroit, MI

    Community services

    $15,000
  25. YMCA of Metropolitan DetroitDetroit, MI

    Community services

    $15,000
  26. Automotive Hall of FameDearborn, MI

    General fund

    $10,000
  27. Building Beds 4 KidsOak Park, MI

    Services for the underprivileged

    $10,000
  28. Detroit OperaDetroit, MI

    General fund

    $10,000
  29. Detroit PalDetroit, MI

    General fund

    $10,000
  30. Detroit Riverfront ConservencyDetroit, MI

    Nature conservation and promotion

    $10,000
  31. Leader Dogs for the BlindRochester HLS, MI

    Assistance for physically handicapped

    $10,000
  32. Society of St Vincent DepaulDetroit, MI

    Services for the underprivileged

    $10,000
  33. TeaBirmingham, MI

    Education services

    $10,000
  34. Inland Seas Education AssociationSuttons Bay, MI

    Nature conservation and promotion

    $10,000
  35. International Wildlife Refuge AllianceTrenton, MI

    Nature conservation and promotion

    $5,000
  36. Seven Ponds Nature CenterDryden, MI

    Nature conservation and promotion

    $5,000
  37. Friends of Peninsula Community LibraryTraverse City, MI

    Education services

    $3,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Animals3 grants $150,00028% of the total
  2. Environment5 grants $90,00017% of the total
  3. Education4 grants $73,00013% of the total
  4. Human services5 grants $65,00012% of the total
  5. Arts and culture4 grants $55,00010% of the total
  6. Food and agriculture2 grants $40,0007% of the total
  7. 3 other causes4 grants $70,50013% of the total

By State

Grants to organizations with a US address, latest year.

  1. Michigan37 grants $758,500

Officers, directors and trustees

5 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Katherine Polk OsbornePRESIDENT/TREASURER/TRUSTE Hours 1Pay $0
  • Roberta N PolkTRUSTEE Hours 0.5Pay $0
  • Susan P ScyphersTRUSTEE Hours 0.5Pay $0
  • Stephen R PolkTRUSTEE Hours 0.5Pay $0
  • Ryan L PolkTRUSTEE Hours 0.5Pay $0

The return

More foundations

Similar foundations

Same main cause (animals), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. JK Farber Family FoundationBirmingham, MI 26 grants Preselected only $315,720 giving
  2. De Witt Families Conduit FoundationHolland, MI 104 grants Preselected only $713,793 giving
  3. Two Seven Oh IncNew Hudson, MI 57 grants Preselected only $704,544 giving
  4. Mariel FoundationTraverse City, MI 27 grants Preselected only $701,020 giving
  5. Madeleine & Mandell L Berman FoundationNovi, MI 34 grants Preselected only $907,588 giving