RANKING ·
Fastest membership growth in Illinois
62 of 188 credit unions in Illinois 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 | Vibrant Credit Union | Moline, IL | +48.6% | $1.2 billion |
| 2 | Credit Union 1 | Lombard, IL | +41.7% | $2.9 billion |
| 3 | For Members Only Federal Credit Union | Chicago, IL | +18.8% | $6.3 million |
| 4 | R.I.A. Federal Credit Union | Rock Island, IL | +16.5% | $749 million |
| 5 | Consumers Credit Union | Lake Forest, IL | +6.2% | $4.6 billion |
| 6 | Illinois State Credit Union | Normal, IL | +6.0% | $249 million |
| 7 | Illinois Educators Credit Union | Springfield, IL | +5.1% | $120 million |
| 8 | Midwest Coalition of Labor Credit Union | Countryside, IL | +4.0% | $77.1 million |
| 9 | Cornerstone Credit Union | Freeport, IL | +3.9% | $177 million |
| 10 | Siu Credit Union | Carbondale, IL | +3.7% | $591 million |
| 11 | Dupage Credit Union | Naperville, IL | +3.6% | $600 million |
| 12 | Streator Onized Credit Union | Streator, IL | +3.2% | $423 million |
| 13 | Alliant Credit Union | Chicago, IL | +3.1% | $20.0 billion |
| 14 | Baxter Credit Union | Vernon Hills, IL | +2.8% | $6.4 billion |
| 15 | Chicago Firefighter'S Credit Union | Chicago, IL | +2.8% | $92.9 million |
| 16 | Membersalliance Credit Union | Loves Park, IL | +2.7% | $304 million |
| 17 | Members "First" Community Credit Union | Quincy, IL | +2.5% | $112 million |
| 18 | Heartland Credit Union | Springfield, IL | +2.3% | $574 million |
| 19 | Citizens Equity First Credit Union | Peoria, IL | +2.3% | $8.5 billion |
| 20 | Select Employees Credit Union | Sterling, IL | +2.2% | $78.6 million |
| 21 | Financial Plus Credit Union | Ottawa, IL | +2.2% | $607 million |
| 22 | Alero Financial Credit Union | Elgin, IL | +2.0% | $954 million |
| 23 | Iaa Credit Union | Bloomington, IL | +1.9% | $415 million |
| 24 | University of Illinois Community Credit Union | Champaign, IL | +1.8% | $765 million |
| 25 | Rock Valley Credit Union | Loves Park, IL | +1.6% | $174 million |
| 26 | Taylorville Community Credit Union | Taylorville, IL | +1.5% | $90.8 million |
| 27 | 1st Midamerica Credit Union | Bethalto, IL | +1.3% | $1.0 billion |
| 28 | United Community Credit Union | Quincy, IL | +1.2% | $134 million |
| 29 | Abbott Laboratories Credit Union | Gurnee, IL | +1.1% | $1.1 billion |
| 30 | Land of Lincoln Credit Union | Decatur, IL | +0.9% | $499 million |
| 31 | National Police Federal Credit Union | Chicago, IL | +0.4% | $621 million |
| 32 | Partnership Financial Credit Union | Morton Grove, IL | +0.3% | $403 million |
| 33 | The Credit Union for All | Bloomington, IL | +0.3% | $89.6 million |
| 34 | Revity Credit Union | Granite City, IL | +0.2% | $527 million |
| 35 | Abri Credit Union | Romeoville, IL | -0.2% | $381 million |
| 36 | Earthmover Credit Union | Aurora, IL | -0.4% | $472 million |
| 37 | Commonwealth Credit Union | Bourbonnais, IL | -0.5% | $128 million |
| 38 | Altonized Community Federal Credit Union | Alton, IL | -0.7% | $53.1 million |
| 39 | Numark Credit Union | Joliet, IL | -0.7% | $932 million |
| 40 | Gas and Electric Credit Union | Rock Island, IL | -0.7% | $132 million |
| 41 | State Farm Federal Credit Union | Bloomington, IL | -0.8% | $5.7 billion |
| 42 | I. H. Mississippi Valley Credit Union | Moline, IL | -1.0% | $2.3 billion |
| 43 | Midwest Members Credit Union | Wood River, IL | -1.1% | $227 million |
| 44 | Community Trust Credit Union | Gurnee, IL | -1.2% | $336 million |
| 45 | Catholic & Community Credit Union | Shiloh, IL | -1.4% | $223 million |
| 46 | Cooperative Choice Network Credit Union | Peoria, IL | -1.5% | $206 million |
| 47 | First Northern Credit Union | Chicago, IL | -1.6% | $333 million |
| 48 | Illiana Financial Credit Union | Calumet City, IL | -1.8% | $264 million |
| 49 | Staley Credit Union | Decatur, IL | -2.1% | $228 million |
| 50 | Decatur Earthmover Credit Union | Forsyth, IL | -2.5% | $310 million |
| 51 | Empeople Credit Union | Moline, IL | -2.9% | $2.3 billion |
| 52 | Illinois State Police Federal Credit Union | Springfield, IL | -3.0% | $127 million |
| 53 | Selfreliance Federal Credit Union | Chicago, IL | -3.2% | $1.2 billion |
| 54 | Healthcare Associates Credit Union | Lisle, IL | -3.6% | $482 million |
| 55 | Landmark Credit Union | Danville, IL | -3.8% | $119 million |
| 56 | Scott Credit Union | Edwardsville, IL | -4.0% | $1.9 billion |
| 57 | Central Credit Union of Illinois | Bellwood, IL | -5.1% | $123 million |
| 58 | Maroon Financial Credit Union | Chicago, IL | -6.1% | $51.9 million |
| 59 | Vicinity Credit Union | Chicago, IL | -6.4% | $204 million |
| 60 | Great Lakes Credit Union | Bannockburn, IL | -9.3% | $1.4 billion |
| 61 | Acme Continental Credit Union | Riverdale, IL | -9.5% | $62.5 million |
| 62 | United Equity Credit Union | Decatur, IL | -9.7% | $66.2 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings