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 |
|---|---|---|
| AURORA POLICEMEN CREDIT UNION1200 E Indian Trl AURORA, IL 60505-1896 | State chartered natural person | $25,874,739 |
| AURORA POSTAL EMPLOYEES CREDIT UNION525 N Broadway Rm 118 AURORA, IL 60505-2669 | State chartered natural person | $2,085,063 |
| B.E.A. CREDIT UNION101 School St BETHALTO, IL 62010 | State chartered natural person | $2,971,573 |
| BAXTER CREDIT UNION340 N Milwaukee Ave VERNON HILLS, IL 60061-1533 | State chartered natural person | $5,895,172,593 |
| BEREAN CREDIT UNION5147 S Dearborn St CHICAGO, IL 60609-5327 | State chartered natural person | $214,355 |
| BETHEL A.M.E. CHURCH CREDIT UNION4440 S Michigan Ave CHICAGO, IL 60653-3117 | State chartered natural person | $55,522 |
| BLACKHAWK AREA CREDIT UNION214 Main St SAVANNA, IL 61074-1628 | State chartered natural person | $40,051,814 |
| BLAW-KNOX CREDIT UNION215 S 17th St MATTOON, IL 61938 | State chartered natural person | $13,618,331 |
| BLOOMINGTON MUNICIPAL CREDIT UNION602 S Gridley St BLOOMINGTON, IL 61701-5227 | State chartered natural person | $37,593,671 |
| BLOOMINGTON POSTAL EMPLOYEES CREDIT UNION1511 E EMPIRE ST BLOOMINGTON, IL 61701 | State chartered natural person | $22,961,379 |
| BURLINGTON NORTHERN SANTA FE RAILWY CREDIT UNION5601 W 26th St CICERO, IL 60804-3238 | State chartered natural person | $8,227,840 |
| C & NW PROVISO CREDIT UNION301 W Lake St NORTHLAKE, IL 60164 | State chartered natural person | $2,599,919 |
| C T A F C FEDERAL CREDIT UNION14 S ASHLAND AVE CHICAGO, IL 60607-1806 | Associational - Religious, other than those designated 'low-income' | $713,941 |
| CANAAN CREDIT UNION404 W Main St URBANA, IL 61801-2618 | State chartered natural person | $250,900 |
| CANALS & TRAILS CREDIT UNION838 S State St LOCKPORT, IL 60441-3434 | State chartered natural person | $33,387,210 |
| CARBONDALE HIGHWAY CREDIT UNION2801 W Murphysboro Rd CARBONDALE, IL 62901 | State chartered natural person | $5,264,759 |
| CATHOLIC & COMMUNITY CREDIT UNION1109 Hartman Ln BELLEVILLE, IL 62221 | State chartered natural person | $195,481,422 |
| CBI FEDERAL CREDIT UNION13717 S Route 30 Ste 157 PLAINFIELD, IL 60544-5560 | Manufacturing - Primary and Fabricated Metals | $18,987,545 |
| CENTRAL CREDIT UNION OF ILLINOIS1001 Mannheim Rd BELLWOOD, IL 60104 | State chartered natural person | $116,871,147 |
| CENTRAL ILLINOIS CREDIT UNION2106 w john st CHAMPAIGN, IL 61821 | State chartered natural person | $25,307,308 |