Every FDIC-insured bank branch in Adams County, Illinois as of June 30, 2025. County land area: 855 square miles, 3.9 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| United Community Bank | 6 | $434.1M |
| Liberty Bank | 5 | $142.9M |
| First Bankers Trust Company, National Association | 5 | $733.5M |
| Town & Country Bank Midwest | 3 | $145.5M |
| State Street Bank and Trust Company | 3 | $295.8M |
| HomeBank | 2 | $176.9M |
| Bank of Springfield | 2 | $64.3M |
| First Mid Bank & Trust, National Association | 2 | $42.6M |
| Central State Bank | 2 | $68.6M |
| Heartland Bank and Trust Company | 1 | $50.8M |
| Commerce Bank | 1 | $4.9M |
| Great Rivers Bank | 1 | $14.8M |