Foundations · IRS 990 filings

Foundations in South Dakota

246
foundations
$226.5M
grants paid, FY2023–FY2025
64
say they accept unsolicited
$7,164
median grant

Grantlas lists 246 foundations based in South Dakota — 226 private foundations and 20 grantmaking charities such as community foundations and United Ways — from their 990-PF and Form 990 filings for FY2023–FY2025. Together they paid out $226.5 million in grants in their latest filing year, and 64 of them (26%) say they accept unsolicited requests. The most common cities are Sioux Falls (116), Rapid City (26) and Aberdeen (17).

64 of them say on their 990-PF that they accept unsolicited requests. Foundations accepting applications in South Dakota.

Top 25 of 246 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 39 in this list say so too. Ranked by what they paid in grants in their latest filing.

Foundations in South Dakota
Esther and Harold Mertz FoundationSioux Falls, SD$15,000$53.8M$10,000–$52.1MFY2024Locked: fit score and contacts
Seeds of Change FoundationSioux Falls, SD$850,000$11.1M$30,000–$4.9MFY2024Locked: fit score and contacts
Sfs FoundationSioux Falls, SD$137,000$8.4M$1,500–$3MFY2025Locked: fit score and contacts
John T Vucurevich FoundationRapid City, SD$7.7M$8M$7.5M–$8MFY2025Locked: fit score and contacts
Ch Robinson Worldwide FoundationSioux Falls, SD$5,000$4M$750–$2.7MFY2024Locked: fit score and contacts
Larson FoundationSioux Falls, SD$30,000$1.4M$4,500–$260,000FY2024Locked: fit score and contacts
Black Hills Corporation FoundationRapid City, SD$1.1M$1.1M$1M–$1.1MFY2025Locked: fit score and contacts
Live Brave FoundationHarrisburg, SD$8,500$1M$2,500–$1MFY2025Locked: fit score and contacts
The Rlb Charitable FoundationSioux Falls, SD$501,720$1M$125,000–$878,440FY2024Locked: fit score and contacts
Harvey W Peters Research FoundationSioux Falls, SD$300,000$864,000$40,000–$864,000FY2024Locked: fit score and contacts
Valley Queen Charitable FoundationMilbank, SD$1,500$556,339$50–$326,831FY2025Locked: fit score and contacts
Evah C Cray Residuary Charitable TrustSioux Falls, SD$12,000$495,000$3,000–$120,000FY2025Locked: fit score and contacts
Marion Bradley via Memorial FoundationSioux Falls, SD$35,000$459,000$5,000–$1MFY2025Locked: fit score and contacts
Gwendolyn L Stearns Foundation IncRapid City, SD$15,000$434,360$5,000–$25,000FY2024Locked: fit score and contacts
Orrion and Edith Barger MemorialChamberlain, SD$4,000$425,100$250–$100,000FY2025Locked: fit score and contacts
Salt of the Earth FoundationSioux Falls, SD$50,000$420,000$10,000–$250,000FY2024Locked: fit score and contacts
Pipestone Give IncBrandon, SD$2,550$386,262$500–$124,875FY2024Locked: fit score and contacts
Sheldon F Reese FoundationSioux Falls, SD$10,000$345,900$1,000–$54,070FY2025Locked: fit score and contacts
Edward L Schwab Memorial FoundationAberdeen, SD$2,900$298,306$1,133–$86,993FY2024Locked: fit score and contacts
The James W PickleSioux Falls, SD$35,000$279,283$5,000–$97,283FY2024Locked: fit score and contacts
The Hatterscheidt Foundation IncAberdeen, SD$2,500$237,000$500–$57,500FY2025Locked: fit score and contacts
Fred & Mary Maas FoundationGettysburg, SD$20,000$208,418$1,000–$104,500FY2025Locked: fit score and contacts
Ty Eschenbaum FoundationSioux Falls, SD$2,000$200,965$500–$104,330FY2025Locked: fit score and contacts
Walter and Virginia HagerMobridge, SD$9,500$195,000$1,000–$50,000FY2025Locked: fit score and contacts
Welk Family FoundationAberdeen, SD$1,000$193,721$500–$93,203FY2025Locked: fit score and contacts
  • Median grant and grant range come from the 990-PF grant schedule; a dash means there is none to report.
  • “One grant” means a schedule with a single grant — no median, nothing to range over. “One amount” means several grants, all the same size.

221 more foundations — see all in Grantlas

Data from 990-PF and Form 990 filings, FY2023–FY2025. Updated November 8, 2026.