BANK & CREDIT UNION INTELLIGENCE

Banks in Cook County, IL

90 FDIC-insured banks operate 1120 branches in Cook County, Illinois, holding $466.11B in total deposits as of the 2026 FDIC Summary of Deposits. JPMorgan Chase Bank, National Association leads the market with 20.8% share. Deposit market share is the clearest available measure of competitive position in a local market: it reflects where households and businesses actually keep their money, rather than where institutions advertise or how many branches they operate.

Cook County market profile

Understanding a deposit market requires knowing the market itself. These figures come from the US Census Bureau American Community Survey 2024 five-year estimates. Median family income is the measure federal regulators use to define low- and moderate-income thresholds under the Community Reinvestment Act, which is why it is reported here separately from household income.

Population5,182,090
Median family income$104,836
Median home value$324,500
Banks operating in county90
Bank branches1120

Deposit market share in Cook County

Ranked by deposits held within county borders. A bank's county deposits are the sum across all of its branches in that county, so an institution with several locations appears once. Figures are as of June 30, 2026, the annual reporting date for the FDIC Summary of Deposits.

RankBankDepositsShareBranches
1 JPMorgan Chase Bank, National Association $96.86B 20.78% 156
2 BMO Bank National Association $94.21B 20.21% 84
3 CIBC Bank USA $49.02B 10.52% 5
4 The Northern Trust Company $39.05B 8.38% 2
5 Bank of America, National Association $35.74B 7.67% 81
6 Fifth Third Bank, National Association $18.17B 3.90% 100
7 Wells Fargo Bank, National Association $12.02B 2.58% 16
8 U.S. Bank National Association $11.97B 2.57% 73
9 Citibank, National Association $10.58B 2.27% 43
10 PNC Bank, National Association $10.41B 2.23% 70
11 Wintrust Bank, National Association $8.29B 1.78% 37
12 The Huntington National Bank $7.72B 1.66% 85
13 Byline Bank $7.02B 1.51% 39
14 Old National Bank $6.13B 1.31% 33
15 Northbrook Bank and Trust Company, National Association $4.92B 1.06% 5
16 Barrington Bank & Trust Company, National Association $3.95B 0.85% 7
17 Associated Bank, National Association $3.48B 0.75% 6
18 State Bank of India $3.28B 0.70% 1
19 Village Bank and Trust, National Association $2.96B 0.64% 8
20 First American Bank $2.53B 0.54% 22
21 Parkway Bank and Trust Company $2.45B 0.53% 16
22 Beverly Bank & Trust Company, National Association $2.27B 0.49% 8
23 Lakeside Bank $2.17B 0.47% 8
24 Signature Bank $1.84B 0.40% 3
25 Marquette Bank $1.64B 0.35% 20
26 Western Alliance Bank $1.55B 0.33% 1
27 Busey Bank $1.40B 0.30% 5
28 Hinsdale Bank & Trust Company, National Association $1.27B 0.27% 9
29 First Bank Chicago $1.25B 0.27% 2
30 Cathay Bank $1.22B 0.26% 1
31 Republic Bank of Chicago $1.15B 0.25% 13
32 Amalgamated Bank of Chicago $1.02B 0.22% 1
33 Old Second National Bank $1.00B 0.22% 10
34 Schaumburg Bank & Trust Company, National Association $955.1M 0.20% 2
35 Belmont Bank & Trust Company $880.1M 0.19% 4
36 International Bank of Chicago $801.4M 0.17% 5
37 First Financial Bank $793.4M 0.17% 11
38 Heartland Bank and Trust Company $733.5M 0.16% 5
39 Bank of Hope $727.3M 0.16% 3
40 Providence Bank & Trust $721.7M 0.15% 9
41 Liberty Bank for Savings $656.8M 0.14% 5
42 Old Plank Trail Community Bank, National Association $655.9M 0.14% 5
43 Albank National Association $591.1M 0.13% 4
44 Millennium Bank $581.8M 0.12% 2
45 Cornerstone National Bank & Trust Company $529.2M 0.11% 2
46 Peoples Bank $526.3M 0.11% 10
47 First Savings Bank of Hegewisch $473.1M 0.10% 8
48 Time Bank $471.8M 0.10% 1
49 The Federal Savings Bank $452.1M 0.10% 1
50 Pan American Bank & Trust $407.6M 0.09% 4
51 FNBC Bank & Trust $403.7M 0.09% 2
52 First Nations Bank $362.0M 0.08% 2
53 Community Savings Bank $357.0M 0.08% 2
54 American Commercial Bank & Trust, National Association $355.5M 0.08% 2
55 Hanmi Bank $347.5M 0.07% 2
56 Hoyne Savings Bank $346.7M 0.07% 7
57 First National Bank of Brookfield $334.7M 0.07% 1
58 State Bank of Texas $315.2M 0.07% 2
59 Forest Park National Bank and Trust Company $288.0M 0.06% 2
60 First Secure Bank and Trust Co. $283.7M 0.06% 5

Showing the top 60 of 90 institutions.

About this data

The FDIC Summary of Deposits is an annual survey of branch office deposits filed by every FDIC-insured institution as of June 30 each year. It is the authoritative source for local deposit market share and is the dataset regulators use when assessing competitive effects of bank mergers. Because it is annual, it reflects a point in time rather than current balances. Vault republishes it without modification, free to access and free to cite. Available to AI agents at vaultbot.ai/mcp.