6 banks and credit unions have branches in Custer. The Bank Fee Index holds published fees for 4 of them.
The count includes institutions based elsewhere that have a branch here.
Medians for reference: South Dakota $30 · U.S. $30
Local median not shown; five institutions required.
Pick a fee to compare Custer with South Dakota and the U.S. Each amount below links to the fee schedule it was read from, and an empty cell says why.
6 institutions, 4 with a published overdraft fee.
Bank · based in Billings, MT · 1 branch here
Account not yet known
“Standard overdraft fees of $10 apply each time an overdraft is paid (up to 3 per day for Orange Checking accounts and up to 4 per day for Basic Checking, Select Checking, and Premi”
Bank · based in Aberdeen, SD · 1 branch here
Credit union, membership rules apply · based in Rapid City, SD · 1 branch here
Account not yet known
“Overdraft Privilege Standard or Extended Coverage | $30 Overdraft Paid Item Fee per item presented*”
Credit union, membership rules apply · based in Rapid City, SD · 1 branch here
Credit union, membership rules apply · based in Rapid City, SD · 1 branch here
Account not yet known
“Courtesy Pay Fee $ 25.00”
Credit union, membership rules apply · based in Box Elder, SD · 1 branch here
Account not yet known
“Overdraft by ATM Withdrawal, per overdraft … $35.00”
Largest banks by local bank deposits
Share of the $122 million in bank deposits at branches here, FDIC Summary of Deposits 2026. Credit unions report no deposits by branch.
County context: Custer County
Deposits and branches cover the City of Custer. Population and income cover Custer County, the county with most of Custer'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 Custer County.
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