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Size · Illinois

Largest US Banks by Assets in Illinois

Ranked among banks headquartered in Illinois. Re-ranked 1-100 within the state from the same national ranking population.

#1 US Banks by Assets:BMO BANK NATIONAL ASSOCIATION — $252.0B . The largest US bank by total assets is the bank at the top of this list, updated quarterly from FFIEC call report filings.

Population: 349 banksShowing: Top 100Source: FFIEC call reports (Q1 2026)
#BankHQ Value Total Assets
1BMO BANK NATIONAL ASSOCIATION CHICAGO , IL $252.0B $252.0B
2NORTHERN TRUST COMPANY, THE CHICAGO , IL $173.8B $173.8B
3CIBC BANK USA CHICAGO , IL $65.1B $65.1B
4BUSEY BANK CHAMPAIGN , IL $18.0B $18.0B
5BYLINE BANK CHICAGO , IL $9.9B $9.9B
6WINTRUST BANK, NATIONAL ASSOCIATION CHICAGO , IL $9.3B $9.3B
7LAKE FOREST BANK & TRUST COMPANY, NATIONAL ASSOCIATION LAKE FOREST , IL $9.0B $9.0B
8FIRST AMERICAN BANK ELK GROVE VILLAGE , IL $8.2B $8.2B
9FIRST MID BANK & TRUST, NATIONAL ASSOCIATION MATTOON , IL $8.2B $8.2B
10OLD SECOND NATIONAL BANK AURORA , IL $6.8B $6.8B
11NORTHBROOK BANK & TRUST COMPANY, NATIONAL ASSOCIATION NORTHBROOK , IL $6.8B $6.8B
12HEARTLAND BANK AND TRUST COMPANY BLOOMINGTON , IL $6.8B $6.8B
13MIDLAND STATES BANK EFFINGHAM , IL $6.5B $6.5B
14HINSDALE BANK & TRUST COMPANY, NATIONAL ASSOCIATION HINSDALE , IL $6.5B $6.5B
15MORTON COMMUNITY BANK MORTON , IL $5.3B $5.3B
16BARRINGTON BANK & TRUST COMPANY, NATIONAL ASSOCIATION BARRINGTON , IL $4.9B $4.9B
17WHEATON BANK & TRUST COMPANY, NATIONAL ASSOCIATION WHEATON , IL $4.5B $4.5B
18UNITED COMMUNITY BANK CHATHAM , IL $4.2B $4.2B
19CARROLLTON BANK CARROLLTON , IL $3.8B $3.8B
20PARKWAY BANK AND TRUST COMPANY HARWOOD HEIGHTS , IL $3.7B $3.7B
21ST. CHARLES BANK & TRUST COMPANY, NATIONAL ASSOCIATION SAINT CHARLES , IL $3.5B $3.5B
22VILLAGE BANK & TRUST, NATIONAL ASSOCIATION ARLINGTON HEIGHTS , IL $3.5B $3.5B
23OLD PLANK TRAIL COMMUNITY BANK, NATIONAL ASSOCIATION NEW LENOX , IL $3.3B $3.3B
24BANTERRA BANK MARION , IL $3.3B $3.3B
25LIBERTYVILLE BANK & TRUST COMPANY, NATIONAL ASSOCIATION LIBERTYVILLE , IL $3.2B $3.2B
26LAKESIDE BANK CHICAGO , IL $2.9B $2.9B
27STATE BANK OF THE LAKES, NATIONAL ASSOCIATION ANTIOCH , IL $2.7B $2.7B
28BEVERLY BANK & TRUST COMPANY, NATIONAL ASSOCIATION CHICAGO , IL $2.7B $2.7B
29FCB BANKS COLLINSVILLE , IL $2.6B $2.6B
30INB, NATIONAL ASSOCIATION SPRINGFIELD , IL $2.5B $2.5B
31REPUBLIC BANK OF CHICAGO OAK BROOK , IL $2.5B $2.5B
32SCHAUMBURG BANK & TRUST COMPANY, NATIONAL ASSOCIATION SCHAUMBURG , IL $2.4B $2.4B
33FIRST BANK CHICAGO HIGHLAND PARK , IL $2.2B $2.2B
34CRYSTAL LAKE BANK & TRUST COMPANY, NATIONAL ASSOCIATION CRYSTAL LAKE , IL $2.1B $2.1B
35MARQUETTE BANK CHICAGO , IL $2.1B $2.1B
36AMERICAN COMMERCIAL BANK & TRUST, NATIONAL ASSOCIATION OTTAWA , IL $2.0B $2.0B
37PEOPLES NATIONAL BANK, NATIONAL ASSOCIATION MOUNT VERNON , IL $2.0B $2.0B
38BLACKHAWK BANK & TRUST MILAN , IL $2.0B $2.0B
39SIGNATURE BANK ROSEMONT , IL $2.0B $2.0B
40BANK OF SPRINGFIELD SPRINGFIELD , IL $1.9B $1.9B
41CNB Bank and Trust, N.A. Carlinville , IL $1.8B $1.8B
42FORESIGHT BANK WINNEBAGO , IL $1.8B $1.8B
43SERVBANK, NATIONAL ASSOCIATION OSWEGO , IL $1.7B $1.7B
44FIRST STATE BANK MENDOTA , IL $1.6B $1.6B
45PROVIDENCE BANK & TRUST SOUTH HOLLAND , IL $1.6B $1.6B
46DIETERICH BANK EFFINGHAM , IL $1.6B $1.6B
47CENTRAL BANK ILLINOIS GENESEO , IL $1.5B $1.5B
48Evergreen Bank Group Oak Brook , IL $1.4B $1.4B
49BankFinancial, National Association Olympia Fields , IL $1.4B $1.4B
50AMALGAMATED BANK OF CHICAGO CHICAGO , IL $1.3B $1.3B
51FIRST BANKERS TRUST COMPANY, NATIONAL ASSOCIATION QUINCY , IL $1.2B $1.2B
52BANK OF PONTIAC PONTIAC , IL $1.2B $1.2B
53AMERICAN COMMUNITY BANK & TRUST WOODSTOCK , IL $1.2B $1.2B
54FEDERAL SAVINGS BANK, THE CHICAGO , IL $1.1B $1.1B
55FIRST SOUTHERN BANK MARION , IL $1.0B $1.0B
56BELMONT BANK & TRUST COMPANY CHICAGO , IL $1.0B $1.0B
57CORNERSTONE NATIONAL BANK & TRUST COMPANY PALATINE , IL $1.0B $1.0B
58INTERNATIONAL BANK OF CHICAGO CHICAGO , IL $987M $987M
59FIRST NATIONAL BANK OF WATERLOO WATERLOO , IL $949M $949M
60FARMERS NATIONAL BANK PROPHETSTOWN , IL $914M $914M
61RESOURCE BANK, NATIONAL ASSOCIATION DEKALB , IL $865M $865M
62LIBERTY BANK FOR SAVINGS CHICAGO , IL $858M $858M
63FORTRESS BANK PEORIA , IL $853M $853M
64MILLENNIUM BANK DES PLAINES , IL $835M $835M
65Iroquois Federal Savings and Loan Association Watseka , IL $830M $830M
66CIBM BANK CHAMPAIGN , IL $824M $824M
67PRAIRIE STATE BANK & TRUST SPRINGFIELD , IL $806M $806M
68FIRST SAVINGS BANK OF HEGEWISCH CHICAGO , IL $797M $797M
69HOME STATE BANK/NATIONAL ASSOCIATION CRYSTAL LAKE , IL $778M $778M
70ITASCA BANK & TRUST CO. ITASCA , IL $765M $765M
71SAUK VALLEY BANK & TRUST COMPANY STERLING , IL $749M $749M
72BRADFORD NATIONAL BANK OF GREENVILLE, THE GREENVILLE , IL $740M $740M
73FIRST NEIGHBOR BANK, NATIONAL ASSOCIATION TOLEDO , IL $740M $740M
74HICKORY POINT BANK AND TRUST DECATUR , IL $737M $737M
75TIME BANK PARK RIDGE , IL $731M $731M
76ALBANY BANK & TRUST CO., NATIONAL ASSOCIATION CHICAGO , IL $729M $729M
77PEOPLES STATE BANK OF NEWTON, ILLINOIS, THE NEWTON , IL $729M $729M
78MIDWEST BANK MONMOUTH , IL $703M $703M
79PROSPECT BANK PARIS , IL $701M $701M
80BANKORION ORION , IL $683M $683M
81LONGVIEW BANK OGDEN , IL $680M $680M
82CONSTITUTION BANK, NATIONAL ASSOCIATION HILLSBORO , IL $679M $679M
83MIDAMERICA NATIONAL BANK CANTON , IL $662M $662M
84LEGENCE BANK ELDORADO , IL $648M $648M
85BANK & TRUST COMPANY LITCHFIELD , IL $645M $645M
86STILLMAN BANCCORP, N.A. STILLMAN VALLEY , IL $639M $639M
87TRUSTBANK OLNEY , IL $636M $636M
88FIRST NATIONAL BANK OF CARMI, THE CARMI , IL $632M $632M
89APPLE RIVER STATE BANK APPLE RIVER , IL $630M $630M
90FAIRFIELD NATIONAL BANK, THE FAIRFIELD , IL $628M $628M
91FIRST EAGLE BANK CHICAGO , IL $624M $624M
92PEOPLES BANK & TRUST PANA , IL $611M $611M
93WASHINGTON SAVINGS BANK EFFINGHAM , IL $605M $605M
94PEOPLES NATIONAL BANK OF KEWANEE KEWANEE , IL $589M $589M
95FNBC BANK AND TRUST LA GRANGE , IL $580M $580M
96LISLE SAVINGS BANK LISLE , IL $552M $552M
97BANK OF BELLEVILLE BELLEVILLE , IL $549M $549M
98FIRST NATIONS BANK CHICAGO , IL $544M $544M
99PAN AMERICAN BANK & TRUST MELROSE PARK , IL $539M $539M
100CITIZENS COMMUNITY BANK MASCOUTAH , IL $539M $539M

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All data sourced from the most recent FFIEC call report filings, refreshed quarterly within 48 hours of FFIEC release. See /data-updates/ for the current data freshness window.

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