US Bank Directory

Banks in Mahnomen, MN

1 FDIC-insured bank operates 1 office in Mahnomen, Minnesota, and 1 credit union has 1 office.

Source: FDIC BankFind, data as of September 5, 2026; NCUA call report as of March 31, 2026.

Bank branch map: Mahnomen

Banks sit at the coordinates in their FDIC record; credit union offices at their NCUA address, located with the U.S. Census Bureau Geocoder. Point at a marker for today's hours, tap it for the address, directions and the bank's site.

Short answer: 2 banks and credit unions operate 2 locations in Mahnomen, according to the FDIC and the NCUA. 2 of them have coordinates on record and are on the map. 1 publish opening hours.

BankCredit unionMain office

Branches: FDIC, NCUA. Streets: loading.

2 locations on the map

Tap a cluster to zoom in

Positions are the regulators' own coordinates, or the Census Geocoder's point for the address, and can sit a few hundred feet from the door. Streets, buildings and parks come from OpenStreetMap through OpenFreeMap, with every street named as you zoom in; if that map cannot load, a simpler map drawn from the Census Bureau's TIGER/Line files takes its place. ATMs will follow with the Overture Maps import.

All banks and credit unions in Mahnomen

Sorted by number of local branches. Each branch shows where its hours and phone number come from.

Short answer: United Valley Bank is the only bank with an office in Mahnomen. Open any bank to see each address, today's hours where the bank publishes them and the phone number.

Affinity Plus Credit Union 1 office · main office Saint Paul, MN Credit union · 1

Affinity Plus Credit Union has 1 office in Mahnomen, 35 across Minnesota. It is based in Saint Paul, MN and $5.05 billion in assets on March 31, 2026, according to its NCUA call report. Its published hours do not list Saturday.

Who can join: see the credit union's site.

  • Mahnomen Branch
    341 Us Highway 59 Ste 2, 56557
    (800) 322-7228Today 9 am to 4 pm
    All hours

    Mon to Fri 9 am to 4 pm; Sat to Sun closed

    Hours: NCUA, March 31, 2026

Affinity Plus Credit Union: profile, branches and contacts
United Valley Bank 1 branch · main office Cavalier, ND Bank · 1

United Valley Bank has 1 branch in Mahnomen, 6 across Minnesota and 9 nationwide. FDIC records list its main office in Cavalier, ND and show it operating since 1905. With $751.6 million in total assets on June 30, 2026, it ranks No. 1,317 of 4,232 U.S. banks by total assets. The United Valley Bank-Mahnomen Branch at 326 Us Highway 59 dates to 1926 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

  • United Valley Bank-Mahnomen Branch
    326 Us Highway 59, 56557
    Hours: see the bank's site
United Valley Bank: profile, branches and contacts

Join a credit union in Mahnomen

1 credit union has 1 office here: Affinity Plus Credit Union. Each office is listed above with the phone and the hours it filed with the NCUA (call report as of March 31, 2026). Who can join each one is on its own site; the credit unions in Mahnomen page has every office in the state's directory.

Banking in Mahnomen: the local picture

Short answer: 1 bank runs 1 branch in Mahnomen according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.

United Valley Bank has its main office in Cavalier, ND, according to the FDIC.

The bank with the longest record here is United Valley Bank, operating since 1905 according to the FDIC.

The only credit union with an office here is Affinity Plus Credit Union.

Of the 1 location with published hours. None open on Saturday. 1 location has no published hours in these sources.

Saturday hours in Mahnomen

Short answer: None of the 1 Mahnomen location with published hours lists Saturday hours. 1 location does not publish hours in these sources; call ahead.

Credit union hours are the text each credit union filed with the NCUA, call report as of March 31, 2026; a day the filing does not mention is shown as not published, never as closed. Bank branches show hours only where the bank publishes them in a source this page uses; 1 of the 2 locations here have no published hours yet. The source and date sit under each office. Banks and credit unions often close on Federal Reserve holidays; call ahead.

Chase, Bank of America and other national banks

Which big national banks have branches in Mahnomen, and where the nearest one is if they do not.

Short answer: No branches in Mahnomen: Chase (nearest in Saint Cloud, 149 mi), Wells Fargo (nearest in Detroit Lakes, 35 mi), Bank of America (nearest in Coon Rapids, 192 mi), PNC Bank, U.S. Bank (nearest in Fergus Falls, 72 mi), Truist, Fifth Third Bank, Huntington (nearest in Saint Cloud, 149 mi), Regions Bank, TD Bank, BMO (nearest in Ada, 26 mi).

BankIn MahnomenNearest branch if none here
ChaseNoneSaint Cloud, 149 miles away
Wells FargoNoneDetroit Lakes, 35 miles away
Bank of AmericaNoneCoon Rapids, 192 miles away
PNC BankNonenone in Minnesota
U.S. BankNoneFergus Falls, 72 miles away
TruistNonenone in Minnesota
Fifth Third BankNonenone in Minnesota
HuntingtonNoneSaint Cloud, 149 miles away
Regions BankNonenone in Minnesota
TD BankNonenone in Minnesota
BMONoneAda, 26 miles away

Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Mahnomen to the nearest branch in Minnesota.

What your savings could earn

National benchmarks and the best published offers, from the Banrox Bank Rates tracker. Enter your own balance and rate to compare.

Short answer: At the national average savings rate of 0.38%, $10,000 kept in savings for a year earns about $38. The best published savings rate in the tracker, 3.75% at CIT Bank, earns about $375. The national average 12-month CD pays 1.71%.

Fed Funds Target Range3.75% - 4.00%FOMC, Sep 16 2026
30-Yr Fixed Mortgage Avg6.76%Freddie Mac PMMS, Sep 10 2026
15-Yr Fixed Mortgage Avg6.09%Freddie Mac PMMS, Sep 10 2026
Avg Credit Card APR22.15%Fed G.19, accounts assessed interest, Q2 2026
Best 12-Month CD4.25%Barclays and Popular Direct, Sep 16 2026
Best High-Yield Savings3.95%Bread Savings, Sep 16 2026

One year at this rate earns about $0; at the best published savings rate (3.75%) about $0.

OfferBankAPYTermMinimum
SavingsCIT Bank3.75%none$5,000
SavingsBarclays3.50%none$0
SavingsMarcus by Goldman Sachs3.40%none$0
CDSynchrony Bank4.35%60 Months$0
CDMarcus by Goldman Sachs4.35%24 Months$500
CDAmerican Express National Bank4.25%10 Months$0

Rates are the banks' published APYs as tracked on the Banrox Bank Rates page, with the date next to each benchmark; they are not offers from Banrox and can change daily. Interest is before tax. The best offers are mostly online banks and are open to Mahnomen residents like anyone else.

Banks near Mahnomen

Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.

Short answer: The closest towns with more choice are Fosston (21 miles) and Ada (26 miles). Detroit Lakes, 35 miles away, has the most banks nearby: 7.

Bank branch openings and closings in Mahnomen

FDIC branch records, between September 5, 2025 and September 5, 2026.

Short answer: FDIC branch records show no bank branch openings in Mahnomen between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.

Largest banks in Mahnomen by total assets

Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Mahnomen offices.

Short answer: United Valley Bank is the largest bank with offices in Mahnomen, with $751.6 million in total assets on June 30, 2026, No. 1,317 among U.S. banks by total assets. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

BankTotal assetsRankOffices hereMain office
United Valley Bank$751.6 millionNo. 1,3171Cavalier, ND

Total assets and ranks from FDIC BankFind as of June 30, 2026. Rank is among active banks that report total assets to the FDIC.

Banks in Mahnomen: FAQ

How many banks are in Mahnomen, MN?

Mahnomen has 1 bank with 1 branch and 1 credit union with 1 office, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.

Is there a United Valley Bank in Mahnomen, MN?

Yes. FDIC data lists 1 United Valley Bank branch in Mahnomen as of September 5, 2026. The address and directions are under United Valley Bank above.

Is there a Chase in Mahnomen, MN?

No. FDIC data lists no Chase branch in Mahnomen as of September 5, 2026. The nearest is in Saint Cloud, about 149 miles away in a straight line.

Which banks in Mahnomen are open on Saturday?

None of the 1 location with published hours lists Saturday hours. 1 location does not publish hours in our sources; call ahead.

What is the oldest bank in Mahnomen?

United Valley Bank has the longest record among banks with a branch here: the FDIC shows it operating since 1905.

Which credit unions can I join in Mahnomen?

Affinity Plus Credit Union has an office in Mahnomen. Check each credit union's membership rules before you apply.

Did any bank branches open or close in Mahnomen in the past year?

FDIC branch records show no branch openings between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.

Where can I find more banks near Mahnomen?

Nearby cities with more banks include Fosston, Ada, Bagley. Fosston is 21 miles away with 3 banks.

How we build this page

Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.

DataSourceLicenseUpdatedData as of
FDIC-insured banks: branches, main offices, total assets, dates establishedFDIC BankFind Suite APIPublic data (U.S. government)Monthly importSep 5, 2026
Credit union offices, phones and hours as filed with the NCUA, total assetsNCUA call report dataPublic data (U.S. government)Quarterly importMar 31, 2026
Map coordinates of 1 credit union offices whose NCUA record has none, from the office addressU.S. Census Bureau GeocoderPublic data (U.S. government)With each NCUA importOct 19, 2026
Savings and CD rates, national averagesBanrox Bank RatesBanrox, from the banks' own rate pages and FDIC national ratesWeeklysee each rate

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