Nonprofits in Wisconsin
What the IRS records say about tax-exempt organizations in Wisconsin.
- Tax-exempt organizations
- 39,293
- Revenue in a year
- $69 billion
- on 13,724 e-filed returns
- Assets
- $141.8 billion
- Employees
- 390,722
- People paid $1 million or more
- 217
- Typical top pay
- $80,190
- median, best-paid person per organization
Wisconsin rankings
- Tax-exempt organizations
- 39,293
- Of which 501(c)(3)
- 30,684
- File the 990-N (receipts ≤ $50,000)
- 20,990
- File Form 990 or 990-EZ
- 10,471
- Filed a 990-N (latest e-Postcard on record)
- 27,834
- Exemption automatically revoked (all years)
- 17,327
Largest nonprofits in Wisconsin by revenue
- AURORA HEALTH CARE INC EIN 61-1649250 · MILWAUKEE, WI · last filed 990 for 2024 · revenue $7,412,902,082
- FROEDTERT MEMORIAL LUTHERAN HOSPITAL INC EIN 39-6105970 · MILWAUKEE, WI · last filed 990 for 2025 · revenue $2,872,787,804
- THE MEDICAL COLLEGE OF WISCONSIN INC EIN 39-0806261 · MILWAUKEE, WI · last filed 990 for 2025 · revenue $1,758,334,139
- GUNDERSEN LUTHERAN MEDICAL CENTER INC EIN 39-0813416 · LA CROSSE, WI · last filed 990 for 2025 · revenue $1,731,749,423
- UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC EIN 39-1824445 · MIDDLETON, WI · last filed 990 for 2025 · revenue $1,572,803,135
- SECURITY HEALTH PLAN OF WISCONSIN INC EIN 39-1572880 · MARSHFIELD, WI · last filed 990 for 2024 · revenue $1,502,964,953
- MCHS HOSPITALS INC EIN 81-0977948 · MARSHFIELD, WI · last filed 990 for 2024 · revenue $1,455,966,010
- FROEDTERT THEDACARE HEALTH INC EIN 39-2014409 · MILWAUKEE, WI · last filed 990 for 2025 · revenue $1,350,935,059
- GUNDERSEN LUTHERAN ADMINISTRATIVE SERVICES INC EIN 39-1606449 · LA CROSSE, WI · last filed 990 for 2025 · revenue $1,251,736,689
- CHILDRENS HOSPITAL OF WISCONSIN INC EIN 39-0812532 · MILWAUKEE, WI · last filed 990 for 2024 · revenue $1,016,508,622
- DELTA DENTAL OF WISCONSIN INC EIN 39-6094742 · STEVENS POINT, WI · last filed 990 for 2024 · revenue $984,013,458
- BELLIN MEMORIAL HOSPITAL INC EIN 39-0884478 · GREEN BAY, WI · last filed 990 for 2025 · revenue $906,558,005
- MARQUETTE UNIVERSITY EIN 39-0806251 · MILWAUKEE, WI · last filed 990 for 2025 · revenue $839,982,173
- COMMUNITY CARE INC EIN 39-1264667 · BROOKFIELD, WI · last filed 990 for 2024 · revenue $807,551,599
- ASPIRUS WAUSAU HOSPITAL INC EIN 39-1138241 · WAUSAU, WI · last filed 990 for 2025 · revenue $791,957,550
- MERCY HEALTH SYSTEM CORPORATION EIN 39-0816848 · JANESVILLE, WI · last filed 990 for 2025 · revenue $769,826,493
- PROHEALTH WAUKESHA MEMORIAL HOSPITAL INC EIN 39-0910727 · WAUKESHA, WI · last filed 990 for 2025 · revenue $693,788,788
- UNIVERSITY OF WISCONSIN FOUNDATION EIN 39-0743975 · MADISON, WI · last filed 990 for 2025 · revenue $680,868,045
- MERITER HOSPITAL INC EIN 39-0806367 · MADISON, WI · last filed 990 for 2024 · revenue $643,258,371
- MARSHFIELD CLINIC INC EIN 39-0452970 · MARSHFIELD, WI · last filed 990 for 2024 · revenue $596,530,287
Top 5s in Wisconsin
From each organization's latest e-filed Form 990, 990-EZ or 990-PF.
Highest-paid people
Compensation from the organization and related organizations, including other pay
- 1Javon BeaPresident/CEO · Mercy Health System Corporation · JANESVILLE, WI$16.3M
- 2Alan KaplanChair · Regional Division Inc · MIDDLETON, WI$6.8M
- 3Steven SmootVice President, COO at SSM Health · Christian Home and Rehabilitation Center Inc · WAUPUN, WI$5.9M
- 4Catherine JacobsonFTCH CEO (Termed 6/30/24) · Froedtert Thedacare Health Inc · MILWAUKEE, WI$5.3M
- 5Imran Andrabi MDDirector & CEO/President · Froedtert Thedacare Health Inc · MILWAUKEE, WI$5.2M
Most raised in gifts and grants
Contributions, gifts and grants received in the year
- 1University of Wisconsin Medical Foundation IncMIDDLETON, WI · 990, year ended Jun 2025$416.7M
- 2Lakeland Care IncorporatedFOND DU LAC, WI · 990, year ended Dec 2024$364.1M
- 3University of Wisconsin FoundationMADISON, WI · 990, year ended Jun 2025$347.6M
- 4The Medical College of Wisconsin IncMILWAUKEE, WI · 990, year ended Jun 2025$226.1M
- 5Goodwill Retail Services IncMILWAUKEE, WI · 990, year ended Dec 2025$167.6M
Largest reserves
Net assets (fund balance) at year end
- 1Aurora Health Care IncMILWAUKEE, WI · 990, year ended Dec 2024$7.3B
- 2University of Wisconsin FoundationMADISON, WI · 990, year ended Jun 2025$5.9B
- 3Froedtert Thedacare Health IncMILWAUKEE, WI · 990, year ended Jun 2025$4.1B
- 4Ascendium Education Group IncMADISON, WI · 990, year ended Dec 2025$3.9B
- 5The Medical College of Wisconsin IncMILWAUKEE, WI · 990, year ended Jun 2025$2.7B
Biggest employers
Employees reported for the calendar year
- 1Aurora Health Care IncMILWAUKEE, WI · 990, year ended Dec 202434,433
- 2Froedtert Thedacare Health IncMILWAUKEE, WI · 990, year ended Jun 202523,844
- 3Marshfield Clinic Health System IncMARSHFIELD, WI · 990, year ended Dec 202410,202
- 4Gundersen Lutheran Administrative Services IncLA CROSSE, WI · 990, year ended Sep 20259,950
- 5The Medical College of Wisconsin IncMILWAUKEE, WI · 990, year ended Jun 20258,196
By city
- MILWAUKEE 3,669
- MADISON 2,919
- GREEN BAY 782
- APPLETON 609
- LA CROSSE 451
- WAUKESHA 406
- EAU CLAIRE 404
- OSHKOSH 352
- BROOKFIELD 339
- WAUSAU 338
- KENOSHA 334
- JANESVILLE 328
- SHEBOYGAN 319
- RACINE 289
- FOND DU LAC 264
- WAUWATOSA 249
- MIDDLETON 231
- WEST BEND 226
- STEVENS POINT 212
- SUN PRAIRIE 212
- WISC RAPIDS 209
- MANITOWOC 208
- DE PERE 203
- NEENAH 199
- OCONOMOWOC 197
- MEQUON 190
- WEST ALLIS 180
- HUDSON 179
- MENOMONEE FLS 172
- NEW BERLIN 171
- BELOIT 166
- CHIPPEWA FLS 164
- DOUSMAN 164
- WATERTOWN 162
- GREENFIELD 161
- FITCHBURG 159
- STURGEON BAY 157
- BARABOO 152
- RICE LAKE 152
- PEWAUKEE 151
- BURLINGTON 144
- SUPERIOR 143
- ELKHORN 141
- MARSHFIELD 141
- MENOMONIE 137
- STOUGHTON 135
- VERONA 133
- CEDARBURG 131
- FRANKLIN 130
- LAKE GENEVA 127
- MARINETTE 127
- RHINELANDER 127
- HAYWARD 119
- SHAWANO 119
- MUSKEGO 118
- MERRILL 116
- HARTLAND 114
- MONROE 113
- MONONA 111
- SPARTA 111
- RIVER FALLS 110
- OAK CREEK 108
- ANTIGO 106
- GRAFTON 106
- WAUNAKEE 106
- ASHLAND 105
- FORT ATKINSON 104
- WAUPACA 103
- MENASHA 99
- ONALASKA 98
- COMBINED LCKS 96
- WHITEWATER 95
- BEAVER DAM 94
- HARTFORD 93
- GERMANTOWN 92
- RICHLAND CTR 92
- PLATTEVILLE 90
- PORTAGE 90
- MEDFORD 87
- PLYMOUTH 87