5 banks and credit unions have branches in Affton. The Bank Fee Index holds published fees for 5 of them.
The count includes institutions based elsewhere that have a branch here.
Largest gap from Missouri
Affton counts institutions with a branch here, wherever headquartered. Missouri counts institutions headquartered in the state.
Affton
5 institutions with a branch here
$35
Missouri
96 institutions headquartered in Missouri
$28
U.S.
3,350 institutions in the index
$27.50
Chosen as the fee whose Affton median sits furthest from Missouri's in percentage terms, among fees at least 5 local institutions publish.
Pick a fee to compare Affton with Missouri and the U.S. Each amount below links to the fee schedule it was read from, and an empty cell says why.
Published amounts here run from $27 to $36.
Median published overdraft fee
Affton
5 institutions with a branch here
$34
Missouri
79 institutions headquartered in Missouri
$29.50
U.S.
2,605 institutions in the index
$30
Affton covers every institution with a branch here, wherever it is headquartered. Missouri covers institutions headquartered in the state. U.S. covers every institution in the Bank Fee Index.
5 institutions, 5 with a published overdraft fee.
Bank · based in Kansas City, MO · 1 branch here
Account not yet known
“Overdraft/Insuffcient Funds2 | $36”
Bank · based in Birmingham, AL · 1 branch here
Account not yet known
“Paid Overdraft Item/Returned Item Fee3 … $36.00”
Bank · based in Maplewood, MO · 1 branch here
Account not yet known
“Overdraft or Insufficient Funds Fee | Paid: | $33.00”
Bank · based in Reeds Spring, MO · 1 branch here
Account not yet known
“ATM overdraft fee | N/A | $34”
Credit union, membership rules apply · based in Edwardsville, IL · 1 branch here
Account not yet known
“Overdraft/Courtesy Pay per submission … $27.00”
Largest banks by local bank deposits
Share of the $413 million in bank deposits at branches here, FDIC Summary of Deposits 2026. Credit unions report no deposits by branch.
County context: St. Louis County
Deposits and branches cover the City of Affton. Population and income cover St. Louis County, the county with most of Affton's bank branches, not the city alone. This is background. None of it sets or explains a fee.
Bank deposits
Change at branches here, 2021 to 2026
Bank branches
Change in branch count, 2016 to 2026
Population
Change between the 2022 and 2024 Census estimates
Median household income
Census estimate, 2024
Deposits and branches: FDIC Summary of Deposits, 2026 and earlier years. Population and income: Census American Community Survey 5-year estimates for St. Louis County.
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