Wilmington, Illinois
Banks & credit unions in Wilmington
3 federally insured institutions operate a branch in Wilmington, Illinois, across 3 locations.
Each institution’s branch count below is for Wilmington only. Select one to see its branches in this town.
| # | Institution | Type | Branches in Wilmington | Total assets |
|---|---|---|---|---|
| 1 | U.S. Bank National Association | Bank | 1 | $683.38B |
| 2 | Old National Bank | Bank | 1 | $72.61B |
| 3 | Grundy Bank | Bank | 1 | $374.7M |
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026