Wealthiest by Assets Nonprofits in South Dakota

Wealthiest by Assets nonprofit rankings for South Dakota. 100 organizations with $9.4B in combined revenue. Updated 2026 IRS 990 data.

100Organizations
$9.4BTotal Revenue
$12.7BTotal Assets
86/100Avg Score

Wealthiest by Assets Rankings for South Dakota (100)

#OrganizationCityRevenueAssetsScore
1 Sanford Sioux Falls $6.1B $4.3B —
2 Sanford Health Foundation Sioux Falls $474.3M $1.3B —
3 The Evangelical Lutheran Good Samaritan Society Sioux Falls $1.2B $970.4M —
4 Sanford Sioux Falls $135.5M $792.7M —
5 Esther And Harold Mertz Foundation Sioux Falls $7.4M $665.6M 90/100
6 Lewis And Clark Rural Water System Inc Tea $49.2M $595.8M —
7 Sioux Valley Southwestern Electric Cooperative Inc Colman $109.1M $384.7M —
8 Sioux Falls Area Community Foundation Inc Sioux Falls $152.8M $364.5M —
9 West River Electric Association Inc Wall $49.8M $179.3M —
10 John T Vucurevich Foundation Rapid City $18.5M $152.0M 92/100
11 Mid Dakota Rural Water System Inc Miller $27.9M $146.3M —
12 Oglala Lakota College Kyle $50.2M $144.2M —
13 Central Electric Cooperative Inc Mitchell $41.8M $126.6M —
14 Northern Electric Cooperative Incorporated Bath $31.5M $117.4M —
15 Sanford Health Foundation North Sioux Falls $16.7M $107.3M —
16 Dakota State University Foundation Madison $55.2M $102.2M —
17 Pine Rock Foundation Inc Sioux Falls $45.4M $98.1M —
18 Robert And Rita Elmen Foundation Sioux Falls $20.0M $86.4M 95/100
19 Black Hills Electric Cooperative Inc Custer $25.9M $82.4M —
20 Oglala Lakota Housing Authority Pine Ridge $38.3M $81.5M —
21 Mni Waste Water Company Eagle Butte $3.3M $72.6M —
22 Butte Electric Cooperative Inc Newell $18.7M $71.8M —
23 Northern State University Foundation Aberdeen $17.5M $70.8M —
24 Black Hills Area Community Foundation Rapid City $32.8M $66.9M —
25 Babinski Foundation Sioux Falls $13.9M $66.2M —
26 Codington Clark Electric Cooperative Inc Watertown $16.7M $61.7M —
27 Hegg Memorial Hospital Sioux Falls $30.7M $58.7M —
28 Houston Family Foundation Sioux Falls $5.2M $58.0M 75/100
29 Lake Region Electric Association Inc Webster $21.9M $53.7M —
30 Black Hills State University Foundation Spearfish $26.3M $50.7M —
31 H D Electric Cooperative Inc Clear Lake $16.4M $50.3M —
32 Fem Electric Association Inc Ipswich $18.7M $49.4M —
33 Farmers Educational & Cooperative Union Of America Huron $4.9M $48.8M —
34 Clay Union Electric Corporation Vermillion $10.9M $45.2M —
35 Whetstone Valley Electric Cooperative Inc Milbank $14.1M $44.6M —
36 South Dakota Education Access Foundation Pierre $5.2M $42.7M —
37 Bon Homme Yankton Electric Association Inc Tabor $12.9M $41.3M —
38 Research Park At Sdsu Brookings $1.7M $38.7M 75/100
39 Sicangu Oyate Ho Inc Saint Francis $19.3M $38.6M —
40 Milo Stip Charitable Remainder Unitrust Sioux Falls $7.2M $38.5M —
41 Charles Mix Electric Association Inc Lake Andes $9.1M $36.0M —
42 Sanford Health Foundation West Sioux Falls $7.6M $35.1M —
43 Elevate Rapid City Rapid City $7.2M $35.1M —
44 B D M Rural Water System Inc Britton $9.1M $31.2M —
45 Branches Foundation Sioux Falls $13.2M $29.0M —
46 South Dakota Achieve Sioux Falls $43.7M $28.1M —
47 Denny Sanford Foundation Sioux Falls $7.3M $28.1M 95/100
48 South Eastern Development Foundation Sioux Falls $8.9M $26.4M —
49 Oahe Foundation Pierre $20.6M $25.8M —
50 Agricap Fund Inc Sioux Falls $1.8M $25.5M —
51 Feeding South Dakota Sioux Falls $32.2M $22.9M —
52 Raft Charitable Foundation Sioux Falls $4.9M $22.6M —
53 Blythe Brenden Mann Foundation Sioux Falls $3.9M $22.2M —
54 Thunder Valley Community Development Corporation Porcupine $28.2M $21.0M 90/100
55 Union County Electric Cooperative Inc Elk Point $5.3M $20.5M —
56 Big Sioux Community Water System Inc Egan $4.0M $18.8M —
57 Brenden Mann Foundation Sioux Falls $2.8M $18.3M 95/100
58 Minnehaha Country Club Sioux Falls $10.5M $16.4M —
59 Ponderosa Apartments Inc Spearfish $3.0M $16.2M —
60 Rapid City Economic Development Foundation Rapid City $5.5M $16.0M —
61 National Music Museum Vermillion $3.2M $15.7M —
62 Greater Huron Development Corporation Huron $541K $14.9M —
63 Dakota Dunes Country Club Dakota Dunes $5.1M $14.3M —
64 Oahe Young Mens Christian Pierre $5.7M $14.3M —
65 Greater Sioux Falls Chamber Of Commerce Sioux Falls $4.6M $13.5M —
66 Faulkton Area Medical Center Faulkton $12.0M $13.1M —
67 Frank W Veden Charitable Tr Ua 35412910 Sioux Falls $10.0M $12.9M —
68 Friends Of South Dakota Public Broadcasting Sioux Falls $5.6M $12.7M —
69 Lake Area Technical College Foundation Watertown $5.0M $11.4M —
70 Sioux Falls State Theatre Company Sioux Falls $1.1M $10.9M 75/100
71 The Summit League Inc Sioux Falls $9.0M $10.8M —
72 James And Eloise Elmen Foundation Sioux Falls $2.5M $10.7M 85/100
73 Cornerstone Rescue Mission Rapid City $6.9M $10.5M —
74 Woodlawn Cemetery Association Sioux Falls $781K $10.2M —
75 Sanford Health Foundation Of Northern Minnesota Sioux Falls $2.0M $10.2M —
76 F M Ambulance Service Inc Sioux Falls $17.7M $9.8M —
77 Van Beek Family Foundation Hudson $309K $9.7M —
78 Comfort Family Foundation Sioux Falls $6.4M $9.6M —
79 Joseph Raunhorst Family Foundation Sioux Falls $1.1M $9.3M 90/100
80 Ice Sports Association Sioux Falls $1.9M $9.3M —
81 Karl & Mary Jo Wegner Health Science Information Center Sioux Falls $1.7M $9.2M —
82 Sioux Falls Ministry Center Sioux Falls $1.6M $9.2M —
83 Bennett County Hospital And Nursing Home Martin $12.6M $9.2M —
84 Orrion And Edith Barger Memorial Foundation Inc Chamberlain $4.5M $9.1M —
85 Youth And Family Services Foundation Rapid City $2.0M $8.5M 75/100
86 West River Foundation Sturgis $5.8M $8.4M —
87 Tieszen Memorial Home Inc Marion $7.2M $8.4M —
88 Community Indoor Tennis Center Inc Sioux Falls $1.3M $7.9M —
89 H And M Kellogg Charitable Trust 35417890 Sioux Falls $6.5M $7.6M —
90 Mary Chilton Dar Foundation Sioux Falls $927K $7.3M —
91 Ancient Free & Accepted Masons Of South Dakota Grand Lodge Sioux Falls $2.8M $7.1M —
92 The Merali Foundation Rapid City $466K $7.0M —
93 Childrens Museum Of South Dakota Brookings $2.4M $6.8M —
94 Aberdeen Area Boys And Girls Club Aberdeen $1.8M $6.8M —
95 Edgar W Freeman Charitable Trust 17174 W 555 First Natl Bank Bldg Yankton $1.8M $6.7M —
96 Helpline Center Inc Sioux Falls $6.0M $6.3M —
97 El Riad Shriners Sioux Falls $1.9M $6.3M —
98 The Keystone Project Inc Rapid City $390K $6.2M —
99 Our Home Inc Huron $9.4M $6.1M —
100 Black Hills Utility Holdings Inc Funded Retiree Healthcare Pl Non B Rapid City $698K $6.0M —

Frequently Asked Questions

What are the wealthiest by assets nonprofits in South Dakota?

There are 100 nonprofits in South Dakota ranked by wealthiest by assets, with $9.4B in combined annual revenue.

How are South Dakota nonprofit rankings determined?

Rankings are based on the latest IRS 990 filing data. Nonprofits with the largest asset holdings. Each organization is ranked relative to other South Dakota nonprofits.

How do South Dakota nonprofits compare nationally?

South Dakota has 100 organizations in this ranking category. View the national wealthiest by assets rankings for broader context.

Where can I find more nonprofit data for South Dakota?

Visit our South Dakota state page for a complete overview of all nonprofits, or explore specific categories and cities within South Dakota.

Other Rankings for South Dakota

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