Dwight and Marilyn Conover Foundation

OKOBOJI, IA EIN: 26-3868563

The Dwight and Marilyn Conover Foundation is a private foundation based in Okoboji, Iowa. The foundation focuses its philanthropic efforts on education, human services, and voluntarism within Iowa communities.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$7.7M

+1.6% YoY

Annual Giving

$497K

+21.8% YoY

Grant Count

23

+4.5% YoY

Avg Grant Size

$22K

+16.5% YoY

Under IRS private-foundation payout rules, Dwight and Marilyn Conover Foundation reported a distributable amount of $488K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's primary funding focus areas include:

  • Education
  • Science and STEM education
  • Human Services
  • Philanthropy, Voluntarism & Grantmaking

Grantmaking

The foundation has made recent grants to Iowa educational institutions and community organizations, including:

Grant Range

& Activity:**

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Geographic Focus

Where this funder awards grants

The foundation's grantmaking is primarily concentrated in Iowa.

Grant Distribution by State

2states

States

Cities

AftonAlgonaAmesAnkenyArnolds ParkClarindaCrestonDakota CityDes MoinesEsthervilleFarragutFort DodgeGreenfieldHamburgHumboldtIda GroveImogeneLe MarsLemarsMilford

Financial History

Multi-year comparison from IRS filings

  • Total Assets: $7,721,389
  • Total Annual Giving: $497,000
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$378K$757K$1M$2M20202021202220232024
Metric202420232022
Total Assets$7,721,389$7,600,463$7,200,414
Revenue$627,187$814,067$776,786
Expenses$506,261$414,039$531,302
Qualifying Distributions$497,989$409,260$521,200
Net Investment Income$627,187$314,067$276,760
Distributable Amount$488,283$399,200$389,191

Giving Over Time

Total grant dollars and number of grants per year

$0$152K$303K$455K$606K94 grants202022 grants202121 grants202222 grants202323 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

ISU FOUNDATION (AG COLLE…$200KDORDT UNIVERSITY$50KUNION CO HISTORICAL SOCI…$50KLEMARS COMMUNITY DAYCARE…$25KALGONA COMMUNITY SCHOOL …$10KCRESTON ACTIVITIES BOOST…$10KEAST UNION EAGLE PRIDE B…$10KESTHERVILLE LINCOLN CENT…$10KFRIENDS OF GARRIGAN HIGH…$10KGEHLEN CATHOLIC SCHOOL$10K

Grant Size Distribution

138 grants across all recorded years

125<$50K5$50–100K8$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Isu Foundation (ag College) ($200,000), Dordt University ($50,000), Union Co Historical Society ($50,000).

RecipientPurposeAmount
ALGONA COMMUNITY SCHOOL FOUNDATION ALGONA, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
CRESTON ACTIVITIES BOOSTER CLUB INC CRESTON, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
CRESTON ST MALACHY SCHOOL CRESTON, IASTUDENT ENGAGEMENT & ACTIVITIES$5,000
EAST UNION EAGLE PRIDE BOOSTER CLUB AFTON, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
ESTHERVILLE LINCOLN CENTERAL PATRONS OF THE ARTS ESTHERVILLE, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
FRIENDS OF GARRIGAN HIGH SCHOOL INC ALGONA, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
GEHLEN CATHOLIC SCHOOL LE MARS, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
HUMBOLDT MUSIC BOOSTER CLUB INC HUMBOLDT, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
LEMARS COMMUNITY SCHOOL BOOSTERS LE MARS, IASTUDENT ENGAGEMENT & ACTIVITIES$10,000
MAYFLOWER HERITAGE CHRISTIAN SCHOOL CRESTON, IASTUDENT ENGAGEMENT & ACTIVITIES$5,000

Leadership & Key People

Leadership team and compensation from IRS filings

Dwight and Marilyn Conover are recognized as major donors to the Okoboji Foundation, where they hold Visionary level status ($100,000+ lifetime giving). They are also listed as members of the Okoboji Foundation's Legacy Society, indicating their commitment to planned giving and community philanthropy.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
DWIGHT CONOVERPRESIDENT/DIRECTOR0.1
MARILYN CONOVERDIRECTOR0.1
ABBY CONOVERSECRETARY/DIRECTOR0.1
PHILIP CONOVERVICE PRESIDENT/DIRECTOR0.1

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Dwight and Marilyn Conover Foundation fund?

The foundation's primary funding focus areas include: • Education • Science and STEM education • Human Services • Philanthropy, Voluntarism & Grantmaking

How do I apply for a grant from Dwight and Marilyn Conover Foundation?

**Grant Size & Activity:** • Typical grant awards range from $5,000 to $200,000 • Total annual giving: $497,000 (based on most recent IRS Form 990 filing from 2024) **Recent Grants:** The foundation has made recent grants to Iowa educational institutions and community organizations, including: • $10,000 to Okoboji Community School Foundation for Student Engagement & Activities (2024) • $10,000 to Shenandoah Iowa Education Foundation for Student Engagement & Activities (2024) • $50,000 to Iowa C…

Where does Dwight and Marilyn Conover Foundation make grants?

The foundation's grantmaking is primarily concentrated in Iowa.

What size grants does Dwight and Marilyn Conover Foundation award?

In 2024, Dwight and Marilyn Conover Foundation awarded 23 grants totaling $497K — an average of about $22K per grant, based on its IRS Form 990 filings.

How much is Dwight and Marilyn Conover Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Dwight and Marilyn Conover Foundation reported a distributable amount of $488K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Dwight and Marilyn Conover Foundation's EIN?

Dwight and Marilyn Conover Foundation's EIN (Employer Identification Number) is 26-3868563. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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