BranchWatch

Banks in Idaho

Deposit market share, branch network and structure changes for Idaho, from official FDIC data.

Active branches
406
Deposits (2026)
$41.8B
Closings on record
102
Openings on record
35

Largest retail branch networks in Idaho (2026)

BankDepositsShareYoYBranches
Wells Fargo$7.0B16.6%+6.7%44
U.S. Bank$6.8B16.4%+1.7%51
Glacier Bank$3.1B7.4%-3.1%37
D. L. Evans Bank$3.0B7.2%+8.6%34
Zions Bancorporation$2.8B6.8%+8.2%25
Bank of America$2.1B4.9%+23.4%6
Chase Bank$2.0B4.9%+10.1%17
The Bank of Commerce$1.8B4.3%+6.6%16
Washington Trust Bank$1.7B4.1%+7.8%12
First Interstate Bank$1.7B4.1%+3.2%20
KeyBank$1.6B3.7%+3.3%20
Columbia Bank$1.5B3.7%+6.4%25
First Federal Savings Bank of Twin Falls$1.3B3%-2.8%14
Idaho First Bank$1.2B2.9%+23.2%7
WaFd Bank$982M2.4%-0.9%21
Banner Bank$747M1.8%+10.4%10
Farmers Bank$563M1.3%+9.2%6
Ireland Bank$314M0.8%-3.1%12
bankcda$205M0.5%+4.7%5

Includes institutions reporting at least five active branches in Idaho. Deposit share is calculated against all deposits assigned to Idaho offices, so the shares shown do not sum to 100%.

All institutions by deposits assigned to Idaho offices

BankDepositsShareYoYBranches
Wells Fargo$7.0B16.6%+6.7%44
U.S. Bank$6.8B16.4%+1.7%51
Glacier Bank$3.1B7.4%-3.1%37
D. L. Evans Bank$3.0B7.2%+8.6%34
Zions Bancorporation$2.8B6.8%+8.2%25
Bank of America$2.1B4.9%+23.4%6
Chase Bank$2.0B4.9%+10.1%17
The Bank of Commerce$1.8B4.3%+6.6%16
Washington Trust Bank$1.7B4.1%+7.8%12
First Interstate Bank$1.7B4.1%+3.2%20
KeyBank$1.6B3.7%+3.3%20
Columbia Bank$1.5B3.7%+6.4%25
First Federal Savings Bank of Twin Falls$1.3B3%-2.8%14
Idaho First Bank$1.2B2.9%+23.2%7
WaFd Bank$982M2.4%-0.9%21
Banner Bank$747M1.8%+10.4%10
Farmers Bank$563M1.3%+9.2%6
Northwest Bank$360M0.9%-13.5%2
Ireland Bank$314M0.8%-3.1%12
Sunwest Bank$310M0.7%+3.1%2
BMO Bank$227M0.5%+109.0%4
Idaho Trust Bank$226M0.5%+9.9%2
bankcda$205M0.5%+4.7%5
Cache Valley Bank$109M0.3%+30.9%1
Twin River Bank$98M0.2%+8.3%2

Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors. Banks that book nationwide deposits at a single office (for example brokerage or direct banks) can rank far above their local branch presence.

Closings

Transcribed from FDIC BankFind Suite structure-change records, active-location records and the annual Summary of Deposits (June 30 reporting date). Market share is each bank's share of all deposits assigned to FDIC-insured offices in the state.