Illinois has about 241 different credit unions with ALLIANT CREDIT UNION being the largest credit union in Illinois having more than $20.32 billion in total assets and over 941,349 members.
| Name | Membership | Total Assets |
|---|---|---|
| GENERATIONS CREDIT UNION5618 Harrison Ave ROCKFORD, IL 61108 | State chartered natural person | $22,569,978 |
| GIDEON FEDERAL CREDIT UNION1500 W Ridgeland Ave WAUKEGAN, IL 60085-2738 | Associational - Religious, other than those designated 'low-income' | $265,590 |
| GLENVIEW CREDIT UNION1631 WAUKEGAN RD GLENVIEW, IL 60025 | State chartered natural person | $17,724,825 |
| GREAT LAKES CREDIT UNION2111 Waukegan Rd BANNOCKBURN, IL 60015 | State chartered natural person | $1,422,909,203 |
| HARVARD COMMUNITY CREDIT UNION1200 S DIVISION ST HARVARD, IL 60033-8601 | State chartered natural person | $19,981,753 |
| HAULPAK FEDERAL CREDIT UNION2300 NE Adams St PEORIA, IL 61639-0001 | Manufacturing - Machinery | $1,994,612 |
| HEALTHCARE ASSOCIATES CREDIT UNION2441 Warrenville Rd Ste 400 LISLE, IL 60532-0927 | State chartered natural person | $473,546,134 |
| HEARTLAND CREDIT UNION2213 W White Oaks Dr SPRINGFIELD, IL 62704 | State chartered natural person | $534,171,011 |
| HEIGHTS AUTO WORKERS CREDIT UNION13912 S Torrence Ave BURNHAM, IL 60633-2127 | State chartered natural person | $29,029,452 |
| HERSHEY ROBINSON EMPLOYEES CREDIT UNION1401 W Main St ROBINSON, IL 62454-1263 | State chartered natural person | $3,318,951 |
| HOMEWOOD FEDERAL CREDIT UNION2005 ridge rd HOMEWOOD, IL 60430 | Community credit unions, urban or rural, other than those designated 'low income' | $1,485,798 |
| I W U FEDERAL CREDIT UNION1312 PARK ST BLOOMINGTON, IL 61701-1773 | Educational | $2,372,573 |
| I. H. MISSISSIPPI VALLEY CREDIT UNION2500 River Dr MOLINE, IL 61265-1670 | State chartered natural person | $2,215,085,470 |
| I.B.E.W. LOCAL #146 CREDIT UNION3390 N Woodford St DECATUR, IL 62526 | State chartered natural person | $5,064,281 |
| IAA CREDIT UNION808 Iaa Dr BLOOMINGTON, IL 61701-2214 | State chartered natural person | $390,697,604 |
| ILLIANA FINANCIAL CREDIT UNION1600 Huntington Dr CALUMET CITY, IL 60409-5404 | State chartered natural person | $252,656,439 |
| ILLINOIS COMMUNITY CREDIT UNION508 W STATE ST SYCAMORE, IL 60178-1328 | State chartered natural person | $118,506,092 |
| ILLINOIS EDUCATORS CREDIT UNION3101 Montvale Dr SPRINGFIELD, IL 62704-4260 | State chartered natural person | $121,933,956 |
| ILLINOIS STATE CREDIT UNION1309 S Center St NORMAL, IL 61761-3458 | State chartered natural person | $228,238,982 |
| ILLINOIS STATE POLICE FEDERAL CREDIT UNION730 Engineering Ave SPRINGFIELD, IL 62703 | Federal, State, Local Government | $120,464,340 |