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Bank Deposits in Jefferson County, New York
Where bank deposits are booked in Jefferson County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$2.15B
Bank offices
29
Banks present
8
Top 4 banks' share
89.7%
Deposit market share in Jefferson County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | Watertown Savings Bank | $784.29M | 36.5% |
| 2 | Community Bank, National Association | $673.46M | 31.3% |
| 3 | Carthage Savings And Loan, National Association | $241.74M | 11.2% |
| 4 | Keybank National Association | $229.06M | 10.7% |
| 5 | Wsb Municipal Bank | $98.45M | 4.6% |
| 6 | Gouverneur Savings And Loan Association | $89.36M | 4.2% |
| 7 | The Upstate National Bank | $17.91M | 0.8% |
| 8 | Gs&L Municipal Bank | $15.95M | 0.7% |
Credit unions with branches in Jefferson County
- Northern - 6 branches
- State Cs Employees - 2 branches
- Americu - 2 branches
- Navy Federal Credit Union - 1 branch
- Watertown Postal - 1 branch
- Sea Comm - 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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