Banks in Ontario, WI

Bank branch map: Ontario

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 Ontario, 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.

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 Ontario

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

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

Bank of Ontario 1 branch · main office Ontario, WI Bank · 1

Bank of Ontario has 1 branch in Ontario, 3 across Wisconsin and 3 nationwide. FDIC records list its main office in Ontario, WI and show it operating since 1911. With $79.0 million in total assets on June 30, 2026, it ranks No. 3,858 of 4,232 U.S. banks by total assets. Its main office at 315 Main St dates to 1911 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

• Main Office main office

  315 Main St, 54651

  Hours: see the bank's site
  DirectionsWebsite

Bank of Ontario: profile, branches and contacts

Banking in Ontario: the local picture

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

Bank of Ontario has its main office in Ontario, according to the FDIC.

The bank with the longest record here is Bank of Ontario, operating since 1911 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 Ontario, and where the nearest one is if they do not.

Short answer: No branches in Ontario: Chase (nearest in Madison, 70 mi), Wells Fargo (nearest in Onalaska, 32 mi), Bank of America, PNC Bank (nearest in West Bend, 123 mi), U.S. Bank (nearest in Onalaska, 33 mi), Truist, Fifth Third Bank, Huntington (nearest in Elm Grove, 135 mi), Regions Bank, TD Bank, BMO (nearest in Reedsburg, 33 mi).

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

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%.

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 Ontario residents like anyone else.

Banks near Ontario

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

Short answer: The closest towns with more choice are Hillsboro (14 miles) and Westby (14 miles). Sparta, 19 miles away, has the most banks nearby: 4.

Bank branch openings and closings in Ontario

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

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

Banks and credit unions based in Ontario

Short answer: 1 institution has its main office in Ontario: Bank of Ontario.

Banks: FDIC BankFind (community-bank flag and assets). Credit unions: NCUA call report.

Largest banks in Ontario by total assets

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

Short answer: Bank of Ontario is the largest bank with offices in Ontario, with $79.0 million in total assets on June 30, 2026, No. 3,858 among U.S. banks by total assets. 1 of the 1 bank is headquartered here. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

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 Ontario: FAQ

How we build this page

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