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States · California

Bank Deposits in Sonoma County, California

Where bank deposits are booked in Sonoma County - FDIC Summary of Deposits, June 30, 2026.

Total bank deposits
$19.68B
Bank offices
92
Banks present
14
Top 4 banks' share
67.9%

Deposit market share in Sonoma County

#BankBranch deposits hereShare
1Wells Fargo Bank, National Association$4.82B24.5%
2Poppy Bank$3.50B17.8%
3Exchange Bank$2.71B13.8%
4Jpmorgan Chase Bank, National Association$2.32B11.8%
5Bank Of America, National Association$1.96B9.9%
6Wafd Bank$1.11B5.6%
7Summit State Bank$846.13M4.3%
8Westamerica Bank$650.84M3.3%
9Bmo Bank National Association$527.84M2.7%
10U.S. Bank National Association$397.84M2.0%
11Columbia Bank$372.36M1.9%
12Bank Of Marin$355.08M1.8%
13Mechanics Bank$71.41M0.4%
14Tri Counties Bank$35.96M0.2%

Credit unions with branches in Sonoma County

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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