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Pottawatomie County, KS Bank Deposit Market Share

Bank of the Flint Hills holds the largest share of deposits in Pottawatomie County, KS, 27.8%, followed by The Farmers State Bank (23.1%) and The Kaw Valley State Bank and Trust Company, of Wamego, Kansas (22.8%). 9 institutions hold $978.7M at 14 offices as of June 30, 2026, up 5.3% from 2025.

Institutions: 9 Offices: 14 Deposits: $978.7M Survey: FDIC Summary of Deposits, June 30, 2026

Largest share changes since 2025

Gained: The Bennington State Bank (1.29 points); The Farmers State Bank (1.10 points); Bank of the Flint Hills (0.66 points).

Lost: The Kaw Valley State Bank and Trust Company, of Wamego, Kansas (-1.81 points); Outdoor Bank (-1.64 points).

# Institution Offices Deposits Market share Share change from 2025 Deposit change
1 Bank of the Flint Hills 3 $272.2M 27.81% +0.66 pts 7.9%
2 The Farmers State Bank 3 $226.2M 23.12% +1.10 pts 10.6%
3 The Kaw Valley State Bank and Trust Company, of Wamego, Kansas 2 $223.3M 22.81% -1.81 pts -2.4%
4 Outdoor Bank 1 $71.2M 7.28% -1.64 pts -14.0%
5 The Bennington State Bank 1 $60.7M 6.20% +1.29 pts 33.1%
6 KS Statebank 1 $48.1M 4.91% +0.01 pts 5.5%
7 Esb Financial 1 $33.8M 3.45% +0.09 pts 8.1%
8 Union State Bank 1 $29.0M 2.96% +0.28 pts 16.3%
9 Landmark National Bank 1 $14.1M 1.44% +0.02 pts 6.6%

About this list

Deposits are those held at each institution's offices in Pottawatomie 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

Kansas deposits by institution Manhattan, KS metro area Kansas bank directory

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