Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › Illinois › Warren County

Banks in Warren County, Illinois

Warren County has 6 bank offices, 6 fewer than its peak of 12 in 1997 (−50%). They belong to 6 banks, led by Morton Community Bank with 1.

6
offices, 2026
12
peak (1997)
9
no longer reported
$639M
deposits booked

Map

open (6)no longer reported (9)

The county's passbook

6121994: 11 offices, $301M1995: 11 offices, $306M1996: 11 offices, $320M1997: 12 offices, $325M1998: 12 offices, $328M1999: 12 offices, $324M2000: 11 offices, $338M2001: 12 offices, $346M2002: 12 offices, $347M2003: 10 offices, $338M2004: 10 offices, $339M2005: 11 offices, $325M2006: 11 offices, $342M2007: 11 offices, $359M2008: 11 offices, $390M2009: 12 offices, $411M2010: 12 offices, $415M2011: 12 offices, $455M2012: 12 offices, $477M2013: 12 offices, $461M2014: 12 offices, $473M2015: 11 offices, $479M2016: 10 offices, $477M2017: 10 offices, $482M2018: 10 offices, $483M2019: 9 offices, $494M2020: 8 offices, $536M2021: 7 offices, $644M2022: 7 offices, $631M2023: 7 offices, $657M2024: 7 offices, $633M2025: 6 offices, $610M2026: 6 offices, $639Mpeak 12 · 1997$639M1995200020052010201520202026
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
Warren County1994–2026
DateofficesChangeDeposits
Jun 30 199411$301M
Jun 30 199511·$306M
Jun 30 1997PEAK12+1$325M
Jun 30 200011−1$338M
Jun 30 200511+1$325M
Jun 30 201012·$415M
Jun 30 201511−1$479M
Jun 30 20208−1$536M
Jun 30 20256−1$610M
Jun 30 2026NOW6·$639M
Open the full passbook — all 33 years ▾
DateofficesChangeDeposits
Jun 30 199411$301M
Jun 30 199511·$306M
Jun 30 199611·$320M
Jun 30 1997PEAK12+1$325M
Jun 30 199812·$328M
Jun 30 199912·$324M
Jun 30 200011−1$338M
Jun 30 200112+1$346M
Jun 30 200212·$347M
Jun 30 200310−2$338M
Jun 30 200410·$339M
Jun 30 200511+1$325M
Jun 30 200611·$342M
Jun 30 200711·$359M
Jun 30 200811·$390M
Jun 30 200912+1$411M
Jun 30 201012·$415M
Jun 30 201112·$455M
Jun 30 201212·$477M
Jun 30 201312·$461M
Jun 30 201412·$473M
Jun 30 201511−1$479M
Jun 30 201610−1$477M
Jun 30 201710·$482M
Jun 30 201810·$483M
Jun 30 20199−1$494M
Jun 30 20208−1$536M
Jun 30 20217−1$644M
Jun 30 20227·$631M
Jun 30 20237·$657M
Jun 30 20247·$633M
Jun 30 20256−1$610M
Jun 30 2026NOW6·$639M

Banks in Warren County

BankOfficesDeposits here
Morton Community Bank1$21.2M
Community National Bank in Monmouth1$47.7M
Security Savings Bank1$194M
Midwest Bank1$325M
Fortress Bank1$41.9M
CBI Bank & Trust1$9.2M

Every bank office open in Warren County

BankAddressOpenedDeposits
Midwest Bank200 E BroadwayMonmouth 614621870$325M
Security Savings Bank220 E BroadwayMonmouth 614621882$194M
Community National Bank in MonmouthCommunity National Bank In Monmouth311 N Main StMonmouth 614621964$47.7M
Fortress BankMonmouth Branch122 W Boston AveMonmouth 614621882$41.9M
Morton Community BankRoseville Branch100 S Main StRoseville 614731944$21.2M
CBI Bank & TrustMonmouth Branch2 Americinn Way, Ste DMonmouth 614622021$9.2M

Sorted by deposits booked on June 30, 2026. "Opened" is the establishment date in the FDIC record.

Offices no longer reported

Offices in Warren County that filed a report in some year from 1994 on and are missing from 2026. Most closed; some were sold to non-banks or converted. Newest departures first.

Last bank on the signAddressLast reportPeak deposits
Wells Fargo Bank, National Association100 South Main StreetMonmouth 614622021$90.9M
Midwest Bank106 South Kirk StreetKirkwood 61447 · Drive-through / facility office2020$12.1M
Midwest Bank1120 North 6th StreetMonmouth 61462 · Drive-through / facility office2019$7.9M
Midwest Bank1150 North 6th Street, Suite AMonmouth 614622018$2.0M
Bank of Stronghurst106 East Main StreetLittle York 614532015$2.9M
Wells Fargo Bank, National Association1123 North Main StreetMonmouth 61462 · Drive-through / facility office2014$0
Marquette Bank MonmouthMain and Walnut StreetsLittle York 614532002$5.4M
Marquette Bank Monmouth11th and BroadwayMonmouth 61462 · Full-service retail office2002$5.8M
Midwest Bank of Western Illinois208 East BroadwayMonmouth 61462 · Drive-through / facility office1999$0
First Financial Bankre-filed as office 278225122 W. Boston Ave.Monmouth 614621998$18.8M

County FIPS 17187 · 542 square miles of land (2024 Census Gazetteer).