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Bank Deposits in Williams County, North Dakota
Where bank deposits are booked in Williams County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$2.10B
Bank offices
11
Banks present
6
Top 4 banks' share
82.1%
Deposit market share in Williams County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | American State Bank & Trust Company Of Williston | $569.13M | 27.1% |
| 2 | First International Bank & Trust | $465.00M | 22.1% |
| 3 | First State Bank & Trust | $358.70M | 17.1% |
| 4 | The Bank Of Tioga | $334.15M | 15.9% |
| 5 | Gate City Bank | $271.25M | 12.9% |
| 6 | U.S. Bank National Association | $105.44M | 5.0% |
Credit unions with branches in Williams County
- Western Cooperative - 4 branches
- Dakota West - 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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