US Bank Directory

Banks in Boulder, MT

1 FDIC-insured bank operates 1 office in Boulder, Montana.

Source: FDIC BankFind, data as of September 5, 2026.

Bank branch map: Boulder

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: 1 institution operates 1 location in Boulder, according to the FDIC. 1 of them has coordinates on record and is on the map. ATMs and opening hours are not in the sources this page uses yet; each marker links to directions.

BankMain office

Branches: FDIC, NCUA. Streets: loading.

1 location 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 in Boulder

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

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

Madison Valley Bank 1 branch · main office Ennis, MT Bank · 1

Madison Valley Bank has 1 branch in Boulder, 5 across Montana and 5 nationwide. FDIC records list its main office in Ennis, MT and show it operating since 1965. With $263.7 million in total assets on June 30, 2026, it ranks No. 2,661 of 4,232 U.S. banks by total assets. The Boulder Branch at 109 W 2nd Ave dates to 1967 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

Madison Valley Bank: profile, branches and contacts

Banking in Boulder: the local picture

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

Madison Valley Bank has its main office in Ennis, MT, according to the FDIC.

The bank with the longest record here is Madison Valley Bank, operating since 1965 according to the FDIC.

The one location here does not publish hours in the sources this page uses. Each branch links to the bank's own site.

Chase, Bank of America and other national banks

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

Short answer: No branches in Boulder: Chase (nearest in Helena, 27 mi), Wells Fargo (nearest in Helena, 25 mi), Bank of America, PNC Bank, U.S. Bank (nearest in Helena, 25 mi), Truist, Fifth Third Bank, Huntington, Regions Bank, TD Bank, BMO.

BankIn BoulderNearest branch if none here
ChaseNoneHelena, 27 miles away
Wells FargoNoneHelena, 25 miles away
Bank of AmericaNonenone in Montana
PNC BankNonenone in Montana
U.S. BankNoneHelena, 25 miles away
TruistNonenone in Montana
Fifth Third BankNonenone in Montana
HuntingtonNonenone in Montana
Regions BankNonenone in Montana
TD BankNonenone in Montana
BMONonenone in Montana

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

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 Boulder residents like anyone else.

Banks near Boulder

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

Short answer: The closest towns with more choice are Helena (26 miles) and Butte (26 miles). Bozeman, 64 miles away, has the most banks nearby: 16.

Bank branch openings and closings in Boulder

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

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

Largest banks in Boulder by total assets

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

Short answer: Madison Valley Bank is the largest bank with offices in Boulder, with $263.7 million in total assets on June 30, 2026, No. 2,661 among U.S. banks by total assets. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

BankTotal assetsRankOffices hereMain office
Madison Valley Bank$263.7 millionNo. 2,6611Ennis, MT

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 Boulder: FAQ

How many banks are in Boulder, MT?

Boulder has 1 bank with 1 branch, according to FDIC data as of September 5, 2026.

Is there a Madison Valley Bank in Boulder, MT?

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

Is there a Chase in Boulder, MT?

No. FDIC data lists no Chase branch in Boulder as of September 5, 2026. The nearest is in Helena, about 27 miles away in a straight line.

What is the oldest bank in Boulder?

Madison Valley Bank has the longest record among banks with a branch here: the FDIC shows it operating since 1965.

Did any bank branches open or close in Boulder 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 Boulder?

Nearby cities with more banks include Helena, Butte, Deer Lodge. Helena is 26 miles away with 12 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
Savings and CD rates, national averagesBanrox Bank RatesBanrox, from the banks' own rate pages and FDIC national ratesWeeklysee each rate

See your odds before you apply

Banrox shows how likely a card or loan is for your profile, from your own data, without a hard pull. Platform live; card in early access; no card issued.

Check your odds