Updated Nov 2, 2026
Private foundations based in Sioux City, Iowa
11 grantmaking foundations headquartered in Sioux City, Iowa, holding $78M in assets. Ranked by grants paid in their latest 990-PF; 0 on this page say they accept applications. For foundations ranked by where their grants went, see local funders.
| Foundation | Grants paid | Median grant | Accepts applications | Assets |
|---|---|---|---|---|
| Gilchrist Foundationsince 1999 | $2.0M1 grants · 2025 | $2.0M | Preselected only | $34M |
| Chesterman Family Foundationsince 2001 | $564K56 grants · 2025 | $5,000 | Preselected only | $9.3M |
| Gleeson Foundationsince 1967 | $330K9 grants · 2025 | $25K | Preselected only | $3.7M |
| Aalfs Family Foundationsince 1981 | $290K17 grants · 2025 | $10K | Preselected only | $2.0M |
| Titus Fellowship of Sioux City Ltdsince 1967 | $289K13 grants · 2025 | $20K | Preselected only | $4.9M |
| Lucile@latta Charitable Trust C/O the Security National Bank ofsince 1997 | $281K1 grants · 2025 | $281K | Preselected only | $3.8M |
| Bomgaars Family Foundationsince 2022 | $279K18 grants · 2024 | $10K | Preselected only | $5.6M |
| Security National Bank Charitable Foundation Incsince 1996 | $232K1 grants · 2025 | $232K | Preselected only | $1.9M |
| Margaret Martin Everist Foundation Trsince 1990 | $166K1 grants · 2025 | $166K | Preselected only | $1.6M |
| Samuel and Gussie Bernstein Foundation Rvoc Trsince 1989 | $111K1 grants · 2024 | $111K | Preselected only | $9.4M |
| Pokey & Colin Jensen Foundationsince 1983 | $58K1 grants · 2025 | $58K | Preselected only | $1.0M |
Sources: IRS Business Master File (assets), ProPublica Nonprofit Explorer and IRS 990-PF e-file (grants paid, application policy). "Accepts applications" reflects the foundation's own Part XV checkbox.
Open grant programs in Iowa
All 2| Deadline | Grant | Funder | Award ceiling |
|---|---|---|---|
| Rollingno deadline | Iowa Arts Council — Organizational GrantsStateIowa Arts Council | Iowa Arts Council | Not listed |
| Rollingno deadline | Humanities Iowa — Humanities GrantsStateHumanities Iowa | Humanities Iowa | Not listed |
Common questions
How many private foundations are based in Sioux City, Iowa?
Our directory lists 11 private grantmaking foundations in Sioux City, Iowa with at least $1 million in assets, holding a combined $78M. The data comes from the IRS Exempt Organizations Business Master File and Form 990-PF.
How do I get a grant from a private foundation?
Start with foundations that already fund organizations like yours nearby. Read the grantee list on each profile, check whether the foundation accepts applications (it says so on its 990-PF), and lead with a short letter of inquiry. Many family foundations fund only organizations they already know; an introduction through a shared grantee or board member works better than a cold proposal.
Can you help us approach foundations?
Yes. Our grant writers research foundation prospects, write letters of inquiry, and build a foundation fundraising plan. Request a free consultation.