Banks in Cook County, Illinois
1,132 active bank branches operated by 93 institutions, per FDIC records.
Active branches
1,132
Banks present
93
Deposits (2026)
$464.3B
Closings since 2020
263
85 openings
Largest banks by deposits in Cook County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Chase Bank | $95.1B | 20.5% | 155 |
| BMO Bank | $94.2B | 20.3% | 84 |
| CIBC Bank USA | $49.0B | 10.6% | 5 |
| The Northern Trust Company | $39.1B | 8.4% | 2 |
| Bank of America | $35.7B | 7.7% | 81 |
| Fifth Third Bank | $18.2B | 3.9% | 100 |
| Wells Fargo | $12.0B | 2.6% | 16 |
| U.S. Bank | $12.0B | 2.6% | 73 |
| Citibank | $10.6B | 2.3% | 43 |
| PNC Bank | $10.4B | 2.2% | 70 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
- Chicago (492)
- Orland Park (30)
- Skokie (25)
- Schaumburg (24)
- Northbrook (21)
- Glenview (20)
- Niles (18)
- Mount Prospect (18)
- Oak Lawn (18)
- Palatine (17)
- Evanston (16)
- Arlington Heights (16)
- Park Ridge (14)
- Elk Grove Village (14)
- Des Plaines (14)
- Berwyn (13)
- Tinley Park (13)
- Oak Park (12)
- Hoffman Estates (11)
- Calumet City (10)
- Norridge (10)
- Cicero (10)
- Evergreen Park (9)
- Lincolnwood (9)
- Palos Heights (9)
- Melrose Park (8)
- Westchester (8)
- Wilmette (8)
- Winnetka (8)
- Homewood (8)
- Rolling Meadows (7)
- Burbank (7)
- Wheeling (7)
- Lemont (7)
- Matteson (6)
- Oak Forest (6)
- Bridgeview (6)
- Western Springs (6)
- Buffalo Grove (6)
- Streamwood (6)
- Lansing (5)
- Hickory Hills (5)
- Countryside (5)
- Franklin Park (5)
- Chicago Heights (5)
- Glencoe (5)
- Morton Grove (4)
- Elmwood Park (4)
- Hanover Park (4)
- Country Club Hills (4)
- Rosemont (4)
- Barrington (4)
- Elgin (4)
- La Grange (4)
- South Holland (4)
- Forest Park (3)
- Midlothian (3)
- Worth (3)
- Northfield (3)
- Palos Hills (3)
- Crestwood (3)
- Palos Park (3)
- Summit (3)
- La Grange Park (3)
- River Forest (3)
- Bartlett (3)
- Lyons (2)
- Northlake (2)
- Brookfield (2)
- Alsip (2)
- Glenwood (2)
- Arlington Hts. (2)
- North Riverside (2)
- Orland Hills (2)
- Burr Ridge (2)
- Stickney (2)
- Dolton (2)
- Riverside (2)
- South Chicago Heights (2)
- Schiller Park (2)
- Stone Park (2)
- Hodgkins (2)
- Chicago Ridge (2)
- Maywood (2)
- Flossmoor (2)
- Olympia Fields (2)
- Blue Island (2)
- Broadview (2)
- Bellwood (2)
- Prospect Heights (2)
- Park Forest (1)
- Harvey (1)
- Harwood Heights (1)
- Berkeley (1)
- Palatine Township (1)
- Markham (1)
- Willow Springs (1)
- Richton Park (1)
- Sauk Village (1)
- Calumet Park (1)
- Lynwood (1)
- Deerfield (1)
- Riverdale (1)
- South Barrington (1)
- Hillside (1)
- Itasca (1)
- Chicgo (1)
- Merrionette Park (1)
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.