Branch Presence
Banks with Branches in Marion, IL
Banterra Bank is the biggest bank in Marion, IL, with $341.2M in deposits at its Marion branches, 27.2% of the city's total as of the June 30, 2026 FDIC Summary of Deposits.
13 banks operate 25 branches in Marion, 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 $1.25B held in Marion, 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 Marion | Local deposits | Deposit share |
|---|---|---|---|
| Banterra Bank | 6 | $341.2M | 27.2% (#1) |
| First Southern Bank | 6 | $218.9M | 17.5% (#2) |
| Peoples National Bank, N.A. | 2 | $109.3M | 8.7% (#4) |
| Farmers State Bank of Alto Pass, Ill. | 2 | $105.4M | 8.4% (#5) |
| U.S. Bank N.A. | 1 | $111.2M | 8.9% (#3) |
| Fifth Third Bank, N.A. | 1 | $94.2M | 7.5% (#6) |
| Southerntrust Bank | 1 | $76.0M | 6.1% (#7) |
| Regions Bank | 1 | $65.7M | 5.2% (#8) |
| Legence Bank | 1 | $58.7M | 4.7% (#9) |
| The Bank of Herrin | 1 | $40.1M | 3.2% (#10) |
| First Mid Bank & Trust, N.A. | 1 | $26.5M | 2.1% (#11) |
| Woodforest National Bank | 1 | $5.4M | 0.4% (#12) |
| Murphy-Wall State Bank and Trust Company | 1 | $1.4M | 0.1% (#13) |
County deposit market: Williamson, IL
The $1.90B held across 14 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 Williamson, 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 | Banterra Bank | 25.8% | $490.7M | 9 |
| 2 | First Southern Bank | 17.3% | $330.1M | 9 |
| 3 | The Bank of Herrin | 17.2% | $326.5M | 5 |
| 4 | Farmers State Bank of Alto Pass, Ill. | 6.8% | $130.1M | 3 |
| 5 | Peoples National Bank, N.A. | 6.1% | $115.9M | 3 |
| 6 | U.S. Bank N.A. | 5.8% | $111.2M | 1 |
| 7 | Fifth Third Bank, N.A. | 4.9% | $94.2M | 1 |
| 8 | Southerntrust Bank | 4.0% | $76.0M | 1 |
| 9 | First Mid Bank & Trust, N.A. | 3.7% | $69.7M | 2 |
| 10 | Regions Bank | 3.5% | $65.7M | 1 |
Metro area deposit market: Carbondale-Marion, IL
The $3.40B held across 18 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 Carbondale-Marion, 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 | First Southern Bank | 23.6% | $801.3M | 16 |
| 2 | Banterra Bank | 22.1% | $749.5M | 12 |
| 3 | The Bank of Herrin | 9.6% | $326.5M | 5 |
| 4 | Regions Bank | 6.7% | $228.3M | 3 |
| 5 | First Mid Bank & Trust, N.A. | 6.6% | $222.9M | 4 |
| 6 | Southerntrust Bank | 5.7% | $192.3M | 3 |
| 7 | Farmers State Bank of Alto Pass, Ill. | 3.8% | $130.1M | 3 |
| 8 | Legence Bank | 3.4% | $116.0M | 3 |
| 9 | Peoples National Bank, N.A. | 3.4% | $115.9M | 3 |
| 10 | U.S. Bank N.A. | 3.3% | $111.2M | 1 |
Banks in Marion: common questions
What is the biggest bank in Marion, IL?
Banterra Bank is the biggest bank in Marion, IL, with $341.2M in deposits at its Marion branches, 27.2% of the city's total as of the June 30, 2026 FDIC Summary of Deposits.
How many banks are in Marion, IL?
13 FDIC-insured banks operate 25 branches in Marion, 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 Marion, IL?
Ranked by deposits held in Marion branches as of the June 30, 2026 FDIC Summary of Deposits: 1. Banterra Bank (27.2%); 2. First Southern Bank (17.5%); 3. U.S. Bank N.A. (8.9%); 4. Peoples National Bank, N.A. (8.7%); 5. Farmers State Bank of Alto Pass, Ill. (8.4%). 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.