9 banks and credit unions have branches in Mamaroneck. The Bank Fee Index holds published fees for 7 of them.
The count includes institutions based elsewhere that have a branch here.
Largest gap from New York
Mamaroneck counts institutions with a branch here, wherever headquartered. New York counts institutions headquartered in the state.
Mamaroneck
6 institutions with a branch here
$15
New York
65 institutions headquartered in New York
$5
U.S.
1,904 institutions in the index
$6.99
Chosen as the fee whose Mamaroneck median sits furthest from New York's in percentage terms, among fees at least 5 local institutions publish.
Pick a fee to compare Mamaroneck with New York 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 $10 to $35.
Median published overdraft fee
Mamaroneck
5 institutions with a branch here
$34
New York
101 institutions headquartered in New York
$30
U.S.
2,605 institutions in the index
$30
Mamaroneck covers every institution with a branch here, wherever it is headquartered. New York covers institutions headquartered in the state. U.S. covers every institution in the Bank Fee Index.
9 institutions, 5 with a published overdraft fee.
Bank · based in Columbus, OH · 1 branch here
Account not yet known
“+$34 OVERDRAFT FEE)”
Bank · based in Sioux Falls, SD · 1 branch here
Bank · based in Middletown, NY · 1 branch here
Bank · based in Charlotte, NC · 1 branch here
Account not yet known
“Overdraft Items | Overdraft Item Fee | $10.00 each item”
Bank · based in Wilmington, DE · 1 branch here
Account not yet known
“$35 fee per overdraft”
Bank · based in Passaic, NJ · 1 branch here
Account not yet known
“Overdrafts: $35 per paid item, up to 4 charges a day.”
Bank · based in Buffalo, NY · 1 branch here
Account not yet known
“Overdraft Fee | $15.00 for each overdraft item we pay, unless one of the following exceptions apply:”
Bank · based in Glenville, NY · 1 branch here
Credit union, membership rules apply · based in Mamaroneck, NY · 1 branch here
Largest banks by local bank deposits
Share of the $1.2 billion in bank deposits at branches here, FDIC Summary of Deposits 2026. Credit unions report no deposits by branch.
County context: Westchester County
Deposits and branches cover the City of Mamaroneck. Population and income cover Westchester County, the county with most of Mamaroneck'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 Westchester County.
Work at a bank or credit union here?
Hamilton, the Fee Insight workspace, sets an institution's own fees beside every institution in this market, with the source for each figure.
Choosing an account?
Open any institution above to see all of its published fees and where each one came from.
Search institutions