Branch Presence
Banks with Branches in Aurora, IL
Old Second National Bank is the biggest bank in Aurora, IL, with $1.24B in deposits at its Aurora branches, 29.3% of the city's total as of the June 30, 2026 FDIC Summary of Deposits.
15 banks operate 32 branches in Aurora, IL, ranked below by local branch count from the FDIC Summary of Deposits. This counts every bank with a branch here, not only banks headquartered locally.
Deposit share is each bank's share of the $4.23B held in Aurora, IL, as of the June 30, 2026 FDIC Summary of Deposits, ranked by deposits (#1 is largest). Banks that book deposits at a headquarters branch can show a share that exceeds their local customer base.
| Bank | Branches in Aurora | Local deposits | Deposit share |
|---|---|---|---|
| Old Second National Bank | 5 | $1.24B | 29.3% (#1) |
| Fifth Third Bank, N.A. | 5 | $460.0M | 10.9% (#3) |
| BMO Bank N.A. | 4 | $271.4M | 6.4% (#5) |
| PNC Bank, N.A. | 4 | $174.5M | 4.1% (#7) |
| JPMorgan Chase Bank, N.A. | 3 | $1.11B | 26.2% (#2) |
| Bank of America, N.A. | 2 | $286.2M | 6.8% (#4) |
| Associated Bank, N.A. | 1 | $186.8M | 4.4% (#6) |
| St. Charles Bank & Trust Company, N.A. | 1 | $140.7M | 3.3% (#8) |
| The Huntington National Bank | 1 | $135.8M | 3.2% (#9) |
| First American Bank | 1 | $55.7M | 1.3% (#10) |
| Old National Bank | 1 | $47.7M | 1.1% (#11) |
| U.S. Bank N.A. | 1 | $46.1M | 1.1% (#12) |
| First Secure Community Bank | 1 | $42.1M | 1.0% (#13) |
| Heartland Bank and Trust Company | 1 | $30.2M | 0.7% (#14) |
| Woodforest National Bank | 1 | $3.0M | <0.1% (#15) |
County deposit market: Kane, IL
The $15.47B held across 31 FDIC-insured banks in this county, as of the June 30, 2026 FDIC Summary of Deposits. The 10 largest are shown; see every bank in the Kane, IL market with its change from a year earlier. Banks only: credit unions are not in the Summary of Deposits.
| Rank | Bank | Deposit share | Deposits | Branches |
|---|---|---|---|---|
| 1 | JPMorgan Chase Bank, N.A. | 22.8% | $3.53B | 11 |
| 2 | St. Charles Bank & Trust Company, N.A. | 15.3% | $2.36B | 7 |
| 3 | Old Second National Bank | 12.4% | $1.92B | 14 |
| 4 | BMO Bank N.A. | 9.0% | $1.40B | 15 |
| 5 | Fifth Third Bank, N.A. | 7.6% | $1.18B | 10 |
| 6 | PNC Bank, N.A. | 4.1% | $641.2M | 8 |
| 7 | First American Bank | 3.8% | $589.0M | 6 |
| 8 | Bank of America, N.A. | 3.7% | $576.2M | 4 |
| 9 | U.S. Bank N.A. | 2.8% | $432.7M | 4 |
| 10 | Associated Bank, N.A. | 2.6% | $401.2M | 5 |
Metro area deposit market: Chicago-Naperville-Elgin, IL-IN-WI
The $632.03B held across 150 FDIC-insured banks in this metro area, as of the June 30, 2026 FDIC Summary of Deposits. The 10 largest are shown; see every bank in the Chicago-Naperville-Elgin, IL-IN-WI market with its change from a year earlier. Banks only: credit unions are not in the Summary of Deposits.
| Rank | Bank | Deposit share | Deposits | Branches |
|---|---|---|---|---|
| 1 | JPMorgan Chase Bank, N.A. | 20.2% | $127.54B | 266 |
| 2 | BMO Bank N.A. | 17.0% | $107.34B | 189 |
| 3 | CIBC Bank USA | 7.8% | $49.02B | 5 |
| 4 | Bank of America, N.A. | 6.5% | $41.29B | 118 |
| 5 | The Northern Trust Company | 6.5% | $41.27B | 5 |
| 6 | Fifth Third Bank, N.A. | 4.4% | $27.75B | 169 |
| 7 | PNC Bank, N.A. | 3.1% | $19.48B | 119 |
| 8 | Old National Bank | 3.0% | $18.86B | 89 |
| 9 | U.S. Bank N.A. | 2.7% | $16.86B | 118 |
| 10 | Citibank, N.A. | 2.3% | $14.23B | 57 |
Banks in Aurora: common questions
What is the biggest bank in Aurora, IL?
Old Second National Bank is the biggest bank in Aurora, IL, with $1.24B in deposits at its Aurora branches, 29.3% of the city's total as of the June 30, 2026 FDIC Summary of Deposits.
How many banks are in Aurora, IL?
15 FDIC-insured banks operate 32 branches in Aurora, IL as of the June 30, 2026 FDIC Summary of Deposits. This counts every bank with a branch in the city, not only banks headquartered there. Credit unions are not in the Summary of Deposits.
What are the largest banks in Aurora, IL?
Ranked by deposits held in Aurora branches as of the June 30, 2026 FDIC Summary of Deposits: 1. Old Second National Bank (29.3%); 2. JPMorgan Chase Bank, N.A. (26.2%); 3. Fifth Third Bank, N.A. (10.9%); 4. Bank of America, N.A. (6.8%); 5. BMO Bank N.A. (6.4%). The share is each bank's part of all deposits in the city.
Largest banks in Illinois
For the state as a whole, see the largest banks in Illinois, ranked by total assets and by deposits in Illinois branches, or every bank in the Illinois bank directory.
Banks in other Illinois cities:
About this data
Branch counts and local deposits come from the FDIC Summary of Deposits, the annual June 30 survey of branch-office deposits for every FDIC-insured bank. Click any bank to see its full regulatory profile and complete branch network. Looking for banks headquartered here instead? See the US bank directory.