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Bank Deposits in Williamson County, Illinois
Where bank deposits are booked in Williamson County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$1.90B
Bank offices
41
Banks present
14
Top 4 banks' share
67.1%
Deposit market share in Williamson County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | Banterra Bank | $490.72M | 25.8% |
| 2 | First Southern Bank | $330.14M | 17.3% |
| 3 | The Bank Of Herrin | $326.50M | 17.2% |
| 4 | Farmers State Bank Of Alto Pass, Ill. | $130.09M | 6.8% |
| 5 | Peoples National Bank , N.A. | $115.88M | 6.1% |
| 6 | U.S. Bank National Association | $111.25M | 5.8% |
| 7 | Fifth Third Bank, National Association | $94.18M | 4.9% |
| 8 | Southerntrust Bank | $76.03M | 4.0% |
| 9 | First Mid Bank & Trust, National Association | $69.73M | 3.7% |
| 10 | Regions Bank | $65.67M | 3.5% |
| 11 | Legence Bank | $58.69M | 3.1% |
| 12 | Southern Illinois Bank | $26.07M | 1.4% |
| 13 | Woodforest National Bank | $5.42M | 0.3% |
| 14 | Murphy-Wall State Bank And Trust Company | $2.77M | 0.1% |
Credit unions with branches in Williamson County
- Siu - 2 branches
- Williamson County Catholic - 1 branch
Credit unions do not report deposits by branch, so only bank deposits are ranked above.
Deposits are booked at the branch office that holds them (FDIC Summary of Deposits), which is not always where the depositor lives - online banks concentrate deposits at a few offices.
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