Mills Foundation

Foundation · Grantmaker San Diego, CA EIN: 84-2901235

Mills Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in San Diego, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.2M in total assets. In 2024, it awarded 9 grants totaling $38K. Net investment income was $73K.

Key facts about Mills Foundation

EIN
84-2901235
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$37,630
Grants made (2024)
9
Average grant
$4,181
Median grant
$3,000
Total assets
$1,249,877
Primary geography
Illinois (37% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Mills Foundation funds

By grant dollars, the top recipient states for Mills Foundation's 9 itemized 2024 grants were Illinois (37%), Florida (33%) and California (24%). The most frequent recipient cities were San Diego, CA (2 grants). 89% of grants with a stated purpose were for general or operating support.

How Mills Foundation gives

  • Giving held roughly steady from 2021 to 2024 (+13%). Method

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

Next steps with Mills Foundation

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.2M

+898.5% YoY

Annual Giving

$38K

-23.1% YoY

Grant Count

9

+12.5% YoY

Avg Grant Size

$4K

-31.7% YoY

About Mills Foundation

Based on IRS filings

Mills Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in San Diego, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.2M in total assets. In 2024, it awarded 9 grants totaling $38K. Net investment income was $73K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

8states

Share of all 9 itemized 2024 grant dollars.

Cities

San DiegoChampaignFort MyersUrbanaPerioraChicagoPeoriaHalethorpeNational CityAtlantaChampaigonOceansideSanibel IslandSpokane

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$325K$651K$976K$1M20202021202220232024
Metric202420232022
Total Assets$1,249,877$125,178$39,374
Revenue$1,183,368$55,592$8,912
Expenses$38,669$49,698$42,780
Qualifying Distributions$38,669$49,698$42,780
Net Investment Income$72,845$55,592$30,517
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

$0$12K$24K$37K$49K9 grants202014 grants202111 grants20228 grants20239 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 9 recipients in 2024

Florida Gulf Coast University: $13KFlorida Gulf Coast University$13KPeoria Riverfront Museum: $10KPeoria Riverfront Museum$10KSan Diego Humane Society: $6KSan Diego Humane Society$6KAccess Youth Academy: $3KAccess Youth Academy$3KUniversity of Illinois Men's Tennis: $3KUniversity of Illinois Men'sTennis$3KVehicles for Change: $1KVehicles for Change$1KJunior Diabetes Research Foundation: $1KJunior Diabetes ResearchFoundation$1KForest Preserve Friends Foundation: $500Forest Preserve FriendsFoundation$500Carle Ctr for Philanthropy: $500Carle Ctr for Philanthropy$500

Grant Size Distribution

51 grants across all recorded years

51<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Florida Gulf Coast University ($12,500), Peoria Riverfront Museum ($10,000), San Diego Humane Society ($6,130).

RecipientPurposeAmount
FLORIDA GULF COAST UNIVERSITY Fort Myers, FLGENERAL$12,500
PEORIA RIVERFRONT MUSEUM Periora, ILGENERAL$10,000
SAN DIEGO HUMANE SOCIETY San Diego, CAGENERAL$6,130
ACCESS YOUTH ACADEMY San Diego, CANEW BUILDING & SITE VISIT$3,000
UNIVERSITY OF ILLINOIS MEN'S TENNIS Champaigon, ILGENERAL$3,000
VEHICLES FOR CHANGE Halethorpe, MDGENERAL$1,000
Junior Diabetes Research Foundation White Plains, NYGENERAL$1,000
FOREST PRESERVE FRIENDS FOUNDATION Chicago, ILGENERAL$500
CARLE CTR FOR PHILANTHROPY Urbana, ILGENERAL$500

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2024 IRS filing

NameTitleHoursCompensation
Robert M MillsPresident——
Robert M MillsTreasurer——
Robert M MillsVice President——
David D MillsDirector——
Meredith M MillsDirector——
Christen MillsSecretary——
Cynthia S MillsDirector——

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Mills Foundation?

Mills Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in San Diego, CA. It holds $1.2M in total assets as of 2024.

How large is Mills Foundation?

As of 2024, Mills Foundation holds $1.2M in total assets with $1.2M in annual revenue. It awarded 9 grants totaling $38K in 2024.

Where does Mills Foundation operate?

Mills Foundation has awarded grants in California, Florida, Georgia, Illinois, Maryland, North Carolina, New York, Washington.

What size grants does Mills Foundation award?

In 2024, Mills Foundation awarded 9 grants totaling $38K — an average of about $4K per grant, based on its IRS Form 990 filings.

What is Mills Foundation's EIN?

Mills Foundation's EIN (Employer Identification Number) is 84-2901235. IRS Form 990 filing data is available on this page for 2020–2024.

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

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