Illinois has about 241 different credit unions with ALLIANT CREDIT UNION being the largest credit union in Illinois having more than $18.47 billion in total assets and over 839,296 members.
| Name | Membership | Total Assets |
|---|---|---|
| CHAMPAIGN COUNTY SCHOOL EMPLOYEES CREDIT UNION1203 S Mattis Ave CHAMPAIGN, IL 61821 | State chartered natural person | $16,613,486 |
| CHICAGO AREA OFFICE FEDERAL CREDIT UNION600 W MADISON ST CHICAGO, IL 60661-2406 | Multiple common bond - Primarily federal, state, local government | $9,882,593 |
| CHICAGO AVENUE GARAGE FEDERAL CREDIT UNION4909 W Division St Ste 403 CHICAGO, IL 60651-3161 | Service - Transportation | $4,841,375 |
| CHICAGO FAUCET FEDERAL CREDIT UNION1481 Oxford Rd DES PLAINES, IL 60018-1311 | Manufacturing - Primary and Fabricated Metals | $1 |
| CHICAGO FIRE OFFICERS' ASSOCIATION CREDIT UNION10231 S Western Ave CHICAGO, IL 60643-1917 | State chartered natural person | $10,109,329 |
| CHICAGO FIREFIGHTER'S CREDIT UNION6230 S Central Ave CHICAGO, IL 60638 | State chartered natural person | $74,356,983 |
| CHICAGO FIREMANS ASSOC CREDIT UNION2453 S Archer Ave CHICAGO, IL 60616-2169 | State chartered natural person | $20,591,199 |
| CHICAGO MUNICIPAL EMPLOYEES CREDIT UNION18 S Michigan Ave CHICAGO, IL 60603 | State chartered natural person | $61,076,564 |
| CHICAGO PATROLMEN'S FEDERAL CREDIT UNION1407 W Washington Blvd CHICAGO, IL 60607-1820 | Multiple common bond - Primarily federal, state, local government | $574,229,983 |
| CHICAGO POST OFFICE EMPLOYEES CREDIT UNION10025 S Western Ave CHICAGO, IL 60643-1925 | State chartered natural person | $28,194,609 |
| CITIZENS EQUITY FIRST CREDIT UNION5401 W Everett M Dirksen Pkwy PEORIA, IL 61607 | State chartered natural person | $7,458,554,633 |
| CLIFFORD-JACOBS EMPLOYEES CREDIT UNION2410 N 5th St CHAMPAIGN, IL 61822 | State chartered natural person | $1,335,034 |
| COLLEGE AND UNIVERSITY CREDIT UNION1901 W Carroll Ave Ste 200 CHICAGO, IL 60612-2401 | State chartered natural person | $1,268,475 |
| COMMONWEALTH CREDIT UNION563 William R Latham Sr Dr BOURBONNAIS, IL 60914 | State chartered natural person | $116,645,649 |
| COMMUNITY FEDERAL CREDIT UNION4610 S Prairie Ave CHICAGO, IL 60653-3902 | Associational - Religious, other than those designated 'low-income' | $132,960 |
| COMMUNITY PLUS FEDERAL CREDIT UNION526 E Champaign Ave RANTOUL, IL 61866-3005 | Community credit unions, urban or rural, other than those designated 'low income' | $25,298,471 |
| COMMUNITY TRUST CREDIT UNION1313 N Skokie Hwy GURNEE, IL 60031 | State chartered natural person | $307,445,212 |
| CONSUMERS COOPERATIVE CREDIT UNION1075 Tri State Pkwy Ste 850 GURNEE, IL 60031-9182 | State chartered natural person | $3,525,630,823 |
| COOPERATIVE CHOICE NETWORK CREDIT UNION3927 N University St PEORIA, IL 61614 | State chartered natural person | $172,550,692 |
| CORNERSTONE CREDIT UNION550 W Meadows Dr FREEPORT, IL 61032-7610 | State chartered natural person | $142,504,905 |