Banks in Wilmington, IL

Bank branch map: Wilmington

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: 3 banks and credit unions operate 3 locations in Wilmington, according to the FDIC. 3 of them have coordinates on record and are on the map. 2 publish opening hours.

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 Wilmington

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

Short answer: U.S. Bank, Old National and Grundy Bank have the most locations in Wilmington, with 1 each. 3 banks have a single office in the city. Open any bank to see each address, today's hours where the bank publishes them and the phone number.

Grundy Bank 1 branch · main office Morris, IL Bank · 1

Grundy Bank has 1 branch in Wilmington, 4 across Illinois and 4 nationwide. FDIC records list its main office in Morris, IL and show it operating since 1864. With $504.7 million in total assets on June 30, 2026, it ranks No. 1,785 of 4,232 U.S. banks by total assets. The 120 Main St Branch at 120 S Main St dates to 1987 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

• 120 Main St Branch

  120 S Main St, 60481

  Hours: see the bank's site
  DirectionsWebsite

Grundy Bank: profile, branches and contacts

Old National Old National Bank · 1 branch · main office Evansville, IN Bank · 1

Old National has 1 branch in Wilmington, 86 across Illinois and 361 nationwide. FDIC records list its main office in Evansville, IN and show it operating since 1907. With $73.86 billion in total assets on June 30, 2026, it ranks No. 39 of 4,232 U.S. banks by total assets. The Wilmington Branch at 1005 S Water St dates to 1999 in FDIC branch records. Its published hours do not list Saturday.

• Wilmington Branch

  1005 S Water St, 60481

  (779) 232-7327Today 9 am to 5 pm

  All hours

  Mon to Fri 9 am to 5 pm; Sat to Sun not published

  Hours: Old National branch locator (All The Places), checked Oct 10, 2026

  DirectionsBranch page

Old National: profile, branches and contacts

U.S. Bank U.S. Bank National Association · 1 branch · main office Cincinnati, OH Bank · 1

U.S. Bank has 1 branch in Wilmington, 153 across Illinois and 2,097 nationwide. FDIC records list its main office in Cincinnati, OH and show it operating since 1863. With $705.55 billion in total assets on June 30, 2026, it ranks No. 6 of 4,232 U.S. banks by total assets. The Wilmington at 417 S Water St dates to 1863 in FDIC branch records. It opens on Saturday.

• Wilmington

  417 S Water St, 60481

  (815) 476-2141Today 9 am to 5 pm

  All hours

  Mon not published; Tue to Fri 9 am to 5 pm; Sat 9 am to 12 pm; Sun not published

  Hours: U.S. Bank branch locator (All The Places), checked Oct 10, 2026

  DirectionsBranch page

U.S. Bank: profile, branches and contacts

Banking in Wilmington: the local picture

Short answer: 3 banks run 3 branches in Wilmington according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.

Of the 3 banks, 0 have their main office in Wilmington, 1 elsewhere in Illinois and 2 out of state, according to the FDIC.

The bank with the longest record here is U.S. Bank, operating since 1863 according to the FDIC. In FDIC branch records, the longest-running branch is U.S. Bank's office at 417 S Water St, dating to 1863; the newest is Old National's at 1005 S Water St, from 1999.

Of the 2 locations with published hours. 1 opens on Saturday. 1 location has no published hours in these sources.

Banks open on Saturday in Wilmington

Short answer: 1 of the 2 Wilmington locations with published hours opens on Saturday, run by 1 institution.

• U.S. Bank: 1 of 1 branch (417 S Water St: Saturday 9 am to 12 pm)

Bank branches show hours only where the bank publishes them in a source this page uses; 1 of the 3 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 Wilmington, and where the nearest one is if they do not.

Short answer: In Wilmington: U.S. Bank (1). No branches in Wilmington: Chase (nearest in Channahon, 10 mi), Wells Fargo (nearest in Naperville, 32 mi), Bank of America (nearest in Joliet, 15 mi), PNC Bank (nearest in Joliet, 16 mi), Truist, Fifth Third Bank (nearest in Shorewood, 16 mi), Huntington (nearest in Shorewood, 17 mi), Regions Bank (nearest in Bloomington, 71 mi), TD Bank, BMO (nearest in Channahon, 10 mi).

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

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 Wilmington residents like anyone else.

Banks near Wilmington

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

Short answer: The closest towns with more choice are Diamond (6 miles) and Coal City (7 miles). Joliet, 16 miles away, has the most banks nearby: 15.

Bank branch openings and closings in Wilmington

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

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

Largest banks in Wilmington by total assets

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

Short answer: U.S. Bank is the largest bank with offices in Wilmington, with $705.55 billion in total assets on June 30, 2026, No. 6 among U.S. banks by total assets. Old National is second with $73.86 billion. 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 Wilmington: FAQ

How we build this page

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