Dwight and Marilyn Conover Foundation

Private foundation · Grantmaker Okoboji, IA EIN: 26-3868563

The Dwight and Marilyn Conover Foundation is a private foundation based in Okoboji, Iowa. In its 2025 filing, it reported 25 grants totaling $414,000, all to recipients in Iowa. Its grants included support for schools, education-related organizations, a fitness center, and a health organization.

Dwight and Marilyn Conover Foundation at a glance

In short: Dwight and Marilyn Conover Foundation gave $414K across 25 grants in 2025 (avg $17K), mostly in Iowa. 21% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$414,000
-16.7% vs 2024
Grants made (2025)
25
+8.7% vs 2024
Average grant
$16,560
-23.4% vs 2024
Median grant
$12,000
Total assets
$8,546,152
+10.7% vs 2024
New grantees (estimate)
21% first-time grantees (4 of 19, 2025; small sample)
Primary geography
Iowa (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Dwight and Marilyn Conover Foundation

How to Apply

The foundation does not restrict giving to preselected organizations. Its filing lists Dwight Marilyn Conover as the contact, says there is no standard application form, and states that requests must be for religious, charitable, scientific testing for public safety, literary, or educational purposes. No deadline is listed.

Contact

Application contact: Dwight Marilyn Conover
Mailing address: 7007 Lake Shore Drive, Okoboji, IA 51355
Phone: (712) 580-4153

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Dwight and Marilyn Conover Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

SWCC Foundation: $100KSWCC Foundation$100KSouthern Prairie Family Fitness Center: $45KSouthern Prairie FamilyFitness Center$45KUnity Point Health: $25KUnity Point Health$25KAlgona Community School Foundation: $12KAlgona Community SchoolFoundation$12KCreston Activities Booster Club Inc: $12KCreston Activities BoosterClub Inc$12KEast Union Eagle Pride Booster Club: $12KEast Union Eagle Pride BoosterClub$12KEstherville Lincoln Centeral Patrons of the Arts: $12KEstherville Lincoln CenteralPatrons of the Arts$12KFriends of Garrigan High School Inc: $12KFriends of Garrigan HighSchool Inc$12KGehlen Catholic School: $12KGehlen Catholic School$12KHumboldt Music Booster Club Inc: $12KHumboldt Music Booster ClubInc$12K

The largest 2025 recipient was SWCC Foundation ($100K). Together the top 10 received $254K.

Organizations only. It also paid 7 grants to individuals ($72,000), which are not listed by name.

Grant Size Distribution

113 grants across all recorded years

99<$50K5$50–100K9$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 99 grants of 113 (88%).

Geographic Focus

Where this funder awards grants

All grant dollars reported for 2025 went to recipients in Iowa.

Grant Distribution by State

2states

Share of 2025 grant dollars across all 25 itemized grants.

States

Cities

CrestonSioux CenterLe MarsSpirit LakeAlgonaSpencerMilfordEsthervilleAftonHumboldtShenandoahOmahaFort DodgeSioux CityAmesAnkenyDes MoinesArnolds ParkSidneyClarinda

Is Dwight and Marilyn Conover Foundation open to new grantees?

21%

first-time grantees, 2025

In 2025, 4 of 19 grantees (21%) were first-time recipients. With only 19 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $37K; repeat grants $18K. How we count

Medians: $19K first-time, $12K repeat.

  • 74% of 2025 grantees were also funded in 2024. Method
  • Giving fell 20% from 2022 to 2025. Method
  • In 2025 it paid out 77% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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

$0$200K$400K$600K$800K94 grants2020 22 grants2021 21 grants2022 22 grants2023 23 grants2024 25 grants2025

From 2020 to 2025, annual grant giving ranged from $291K (2020) to $606K (2021). In 2025 it made 25 grants totaling $414K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
SWCC Foundation Red Oak, IAGeneral Support$100,000
Southern Prairie Family Fitness Center Creston, IAGeneral Support$45,000
Unity Point Health Des Moines, IAGeneral Support$25,000
Algona Community School Foundation Algona, IAStudent Engagement & Activities$12,000
Creston Activities Booster Club Inc Creston, IAStudent Engagement & Activities$12,000
East Union Eagle Pride Booster Club Afton, IAStudent Engagement & Activities$12,000
Estherville Lincoln Centeral Patrons of the Arts Estherville, IAStudent Engagement & Activities$12,000
7 grants to individuals Recipients not named —$72,000
Friends of Garrigan High School Inc Algona, IAStudent Engagement & Activities$12,000
Gehlen Catholic School Le Mars, IAStudent Engagement & Activities$12,000
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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$8,546,152$1,744,197$430,488$414,00025$415,730$889,042$536,674
2024$7,721,389$627,187$506,261$497,00023$497,989$627,187$488,283
2023$7,600,463$814,067$414,039$408,00022$409,260$314,067$399,200
2022$7,200,414$776,786$531,302$520,00021$521,200$276,760$389,191
2021$7,180,973$1,375,551$609,027$606,21022$607,210$375,551$404,677
2020$6,414,449$655,727$292,448$290,50094—$155,697$326,164

Under IRS private-foundation payout rules, Dwight and Marilyn Conover Foundation reported a distributable amount of $537K 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 show support for educational and community organizations. For example, Friends of Garrigan High School says its purpose is to support the education provided by Bishop Garrigan schools; Algona Community School Foundation says it provides financial support to the school system and post-high-school scholarships; and Spirit Lake Music Parents says it supports music programs, competitions, and camps.

Grantmaking

In 2025, the foundation reported 25 grants totaling $414,000. Grants ranged from $6,000 to $100,000, with a median grant of $12,000. The largest grants were $100,000 to SWCC Foundation for general support, $45,000 to Southern Prairie Family Fitness Center for general support, and $25,000 to Unity Point Health for general support. Multiple school and education-related organizations received $12,000 grants for student engagement and activities.

Grantee descriptions indicate a range of supported work. Southern Prairie Family Fitness Center describes its purpose as improving participants’ physical, mental, social, moral, and educational conditions. An individual recipient Christian School says it provides Christ-centered academic instruction for grades K–8, while Sioux Center Christian School says it advances and supports the school’s programs and operations.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Dwight Conover as president and director; Marilyn Conover as director; Abby Conover as secretary and director; and Philip Conover as vice president and director.

Dwight and Marilyn Conover Foundation is led by Dwight Conover, President & Director on every filing since 2020; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Dwight Conover

    President & Director

    On filings since 2020

    0.1 hrs/week

    No compensation reported

  • Abby Conover

    Secretary & Director

    On filings since 2020

    0.1 hrs/week

    No compensation reported

  • Marilyn Conover

    Director

    On filings since 2020

    0.1 hrs/week

    No compensation reported

  • Philip Conover

    Vice President & Director

    On filings since 2020

    0.1 hrs/week

    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 Dwight and Marilyn Conover Foundation

How much does Dwight and Marilyn Conover Foundation give each year?

Dwight and Marilyn Conover Foundation gave $414K across 25 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $497K across 23 grants.

What is Dwight and Marilyn Conover Foundation's typical grant size?

Dwight and Marilyn Conover Foundation's median grant in 2025 was $12,000, and its average grant was $16,560, across 25 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Dwight and Marilyn Conover Foundation that year got $37K on average.

Where does Dwight and Marilyn Conover Foundation give grants?

Dwight and Marilyn Conover Foundation gives mostly in Iowa: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Creston, IA (3 grants), Algona, IA (2 grants), Le Mars, IA (2 grants) and Sioux Center, IA (2 grants).

Does Dwight and Marilyn Conover Foundation give general operating support?

Yes: 16% of Dwight and Marilyn Conover Foundation's 2025 grants with a stated purpose (4 of 25) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Student Engagement & Activities" (21 grants).

Who are Dwight and Marilyn Conover Foundation's largest grantees?

Dwight and Marilyn Conover Foundation's largest 2025 grantees include SWCC Foundation ($100,000), Southern Prairie Family Fitness Center ($45,000) and Unity Point Health ($25,000), according to its 2025 IRS Form 990-PF. It also paid 7 grants to individuals ($72,000), which are not listed by name. Together they received 41% of its itemized 2025 grant dollars.

How large is Dwight and Marilyn Conover Foundation?

Dwight and Marilyn Conover Foundation reported $8.5M in total assets on its 2025 IRS Form 990-PF. It paid out $416K in qualifying distributions that year, against a required minimum of $537K (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 does Dwight and Marilyn Conover Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants show support for educational and community organizations. See mission & focus areas ↑

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

The foundation does not restrict giving to preselected organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

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 2020–2025.

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

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). Dwight and Marilyn Conover Foundation funder profile. GrantGraph. Retrieved October 14, 2026, from https://grantable.co/funders/dwight-and-marilyn-conover-foundation-morg_287e37068da34f288a48e4769fc7c188

BibTeX
@misc{grantable_263868563_2026,
  author       = {{Grantable}},
  title        = {{Dwight and Marilyn Conover Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/dwight-and-marilyn-conover-foundation-morg_287e37068da34f288a48e4769fc7c188},
  note         = {Accessed 2026-10-14. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Dwight and Marilyn Conover Foundation'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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