RANKING ·
Fastest membership growth in Wisconsin
57 of 98 credit unions in Wisconsin that filed for the quarter ended June 30, 2026 are ranked. At least 5,000 members a year earlier; probable mergers left out. Institutions with equal values share a rank. Source: NCUA Call Report data.
| Rank | Institution | Headquarters | Members, change over 12 months | Total assets |
|---|---|---|---|---|
| 1 | First Community CU of Beloit | Beloit, WI | +12.3% | $410 million |
| 2 | Park City Credit Union | Merrill, WI | +6.7% | $397 million |
| 3 | University of Wisconsin Credit Union | Madison, WI | +5.7% | $6.7 billion |
| 4 | Covantage Credit Union | Antigo, WI | +5.1% | $4.2 billion |
| 5 | Northwestern Mutual Credit Union | Milwaukee, WI | +4.2% | $286 million |
| 6 | Summit Credit Union | Madison, WI | +4.1% | $8.5 billion |
| 7 | Fox Communities Credit Union | Appleton, WI | +4.0% | $3.4 billion |
| 8 | Royal Credit Union | Eau Claire, WI | +3.9% | $5.9 billion |
| 9 | Governmental Employees Credit Union | La Crosse, WI | +3.5% | $122 million |
| 10 | Pcm Credit Union | Green Bay, WI | +3.2% | $515 million |
| 11 | Capital Credit Union | Green Bay, WI | +2.9% | $2.8 billion |
| 12 | Simplicity Credit Union | Marshfield, WI | +2.7% | $547 million |
| 13 | Community First Credit Union | Appleton, WI | +2.6% | $6.8 billion |
| 14 | Shoreline Credit Union | Two Rivers, WI | +2.4% | $160 million |
| 15 | Altra Federal Credit Union | Onalaska, WI | +2.3% | $3.1 billion |
| 16 | Arcadia Credit Union | Arcadia, WI | +2.1% | $144 million |
| 17 | Indianhead Credit Union | Spooner, WI | +2.0% | $101 million |
| 18 | Verve, A Credit Union | Oshkosh, WI | +1.9% | $1.6 billion |
| 19 | Sentry Credit Union | Stevens Point, WI | +1.7% | $173 million |
| 20 | Westconsin Credit Union | Menomonie, WI | +1.6% | $2.2 billion |
| 21 | Westby Co-Op Credit Union | Westby, WI | +1.5% | $1.0 billion |
| 22 | Ripco Credit Union | Rhinelander, WI | +1.5% | $189 million |
| 23 | Landmark Credit Union | Brookfield, WI | +1.4% | $7.9 billion |
| 24 | Co-Op Credit Union | Black River Fal, WI | +1.3% | $627 million |
| 25 | N.E.W. Credit Union | Oconto Falls, WI | +1.0% | $178 million |
| 26 | Sheboygan Area Credit Union | Sheboygan, WI | +0.9% | $93.4 million |
| 27 | Heartland Credit Union | Madison, WI | +0.8% | $667 million |
| 28 | Cloverbelt Credit Union | Wausau, WI | +0.4% | $354 million |
| 29 | Oakdale Credit Union | Oakdale, WI | +0.4% | $132 million |
| 30 | 1st Community Credit Union | Sparta, WI | +0.3% | $288 million |
| 31 | Glacier Hills Credit Union | West Bend, WI | +0.2% | $286 million |
| 32 | Winnebago Community Credit Union | Oshkosh, WI | +0.2% | $176 million |
| 33 | Marine Credit Union | La Crosse, WI | -0.2% | $1.1 billion |
| 34 | Fort Community Credit Union | Fort Atkinson, WI | -0.3% | $450 million |
| 35 | Prospera Credit Union | Appleton, WI | -0.4% | $379 million |
| 36 | Unitedone Credit Union | Manitowoc, WI | -0.5% | $348 million |
| 37 | Avestar Credit Union | Waterloo, WI | -0.7% | $68.2 million |
| 38 | Premier Financial Credit Union | New Holstein, WI | -0.8% | $132 million |
| 39 | Brokaw Credit Union | Weston, WI | -1.1% | $73.9 million |
| 40 | Fond Du Lac Credit Union | Fond Du Lac, WI | -1.3% | $84.9 million |
| 41 | Blackhawk Community Credit Union | Janesville, WI | -1.4% | $947 million |
| 42 | Educators Credit Union | Racine, WI | -1.5% | $4.0 billion |
| 43 | Southern Lakes Credit Union | Kenosha, WI | -1.8% | $113 million |
| 44 | Tomah Area Credit Union | Tomah, WI | -1.8% | $126 million |
| 45 | Forward Financial Credit Union | Niagara, WI | -2.0% | $85.9 million |
| 46 | Members' Advantage Credit Union | Wisconsin Rapid, WI | -2.1% | $185 million |
| 47 | Focus Credit Union | Menomonee Falls, WI | -2.2% | $61.7 million |
| 48 | Taylor Credit Union | Medford, WI | -2.2% | $89.1 million |
| 49 | Kohler Credit Union | Sheboygan, WI | -2.6% | $776 million |
| 50 | Valley Communities Credit Union | Mosinee, WI | -2.7% | $307 million |
| 51 | Prime Financial Credit Union | Cudahy, WI | -3.7% | $161 million |
| 52 | Northwoods Community Credit Union | Park Falls, WI | -3.8% | $93.1 million |
| 53 | Guardian Credit Union | Oak Creek, WI | -4.1% | $294 million |
| 54 | Unison Credit Union | Kaukauna, WI | -4.3% | $394 million |
| 55 | Superior Choice Credit Union | Superior, WI | -4.5% | $730 million |
| 56 | Brewery Credit Union | Milwaukee, WI | -4.6% | $58.8 million |
| 57 | Connexus Credit Union | Wausau, WI | -8.6% | $4.1 billion |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings