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Cascade County, MT Bank Deposit Market Share

Stockman Bank of Montana holds the largest share of deposits in Cascade County, MT, 26.1%, followed by First Interstate Bank (23.5%) and U.S. Bank N.A. (18.1%). 11 institutions hold $2.18B at 21 offices as of June 30, 2026, up 5.4% from 2025.

Institutions: 11 Offices: 21 Deposits: $2.18B Survey: FDIC Summary of Deposits, June 30, 2026

Largest share changes since 2025

Gained: Independence Bank (0.26 points); First Interstate Bank (0.23 points); Belt Valley Bank (0.19 points).

Lost: Wells Fargo Bank, N.A. (-0.34 points); U.S. Bank N.A. (-0.25 points); Bravera Bank (-0.19 points).

# Institution Offices Deposits Market share Share change from 2025 Deposit change
1 Stockman Bank of Montana 3 $568.7M 26.06% -0.16 pts 4.7%
2 First Interstate Bank 3 $512.8M 23.50% +0.23 pts 6.4%
3 U.S. Bank N.A. 3 $395.7M 18.13% -0.25 pts 3.9%
4 Wells Fargo Bank, N.A. 2 $313.3M 14.36% -0.34 pts 2.9%
5 Citizens Alliance Bank 2 $106.1M 4.86% +0.09 pts 7.4%
6 Bravera Bank 2 $100.6M 4.61% -0.19 pts 1.2%
7 Belt Valley Bank 1 $74.0M 3.39% +0.19 pts 11.5%
8 Opportunity Bank of Montana 1 $52.0M 2.38% +0.15 pts 12.6%
9 Independence Bank 1 $48.7M 2.23% +0.26 pts 19.3%
10 Glacier Bank 1 $9.9M 0.45% +0.03 pts 12.2%
11 Davidson Trust Co. 2 $500K 0.02% 0.00 pts —

About this list

Deposits are those held at each institution's offices in Cascade County as of June 30, 2026, from the FDIC Summary of Deposits, whatever state the institution is headquartered in. Market share is the institution's deposits divided by all deposits in the market. Shares are by bank charter, not rolled up to the holding company, and cover FDIC-insured institutions only, so credit unions are not included. Each office is placed in its county and metro area by the FDIC branch directory; the few offices the directory does not list are left out of the market and of every share.

Share change compares the institution's share in 2025 and 2026 in percentage points. Deposit change compares its deposits here in the two years and includes deposits that moved through mergers and branch sales; "New" means it had no offices here a year earlier. Offices that closed during the year are placed by their ZIP code or city.

Wider markets

Montana deposits by institution Great Falls, MT metro area Montana bank directory

Other counties in Montana

Yellowstone CountyGallatin CountyFlathead CountyMissoula CountyLewis And Clark CountyRavalli CountyCuster CountySilver Bow CountyHill CountyLake CountyRichland CountyPark CountyFergus CountyBeaverhead CountyLincoln CountyValley CountySanders CountyRoosevelt CountyDawson CountyBig Horn CountyMadison CountyRosebud CountySheridan CountyStillwater CountyPhillips CountyCarbon CountyPondera CountyTeton CountyGlacier CountyToole CountyPowell CountySweet Grass CountyDeer Lodge CountyFallon CountyChouteau CountyDaniels CountyJefferson CountyBroadwater CountyBlaine CountyJudith Basin County

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