Madison County, Illinois, a core county of the St. Louis-St. Charles-Farmington, MO-IL market, holds $6.7B in deposits across 23 insured institutions and 77 branches. FCB Banks is the largest deposit holder at 19.7% share. The top three banks hold 48% of deposits, which places the county in the Moderate band. Deposits have grown 2.5% since 2021 while the branch count fell by 7.2%. It produced $12.9B of real gross domestic product in 2024, ranking #305 of the 1,523 ranked counties by economic output.
Ranks show where the county stands among the 1,523 ranked counties (those within a Combined or Metropolitan Statistical Area that have a branch). They describe relative position, not a rating of market quality or suitability.
Deposit trend
Branches: 83 in 2021 to 77 in 2026. Institutions: 25 to 23. Top-three share: 47% to 48%.
Institutions by deposits
| Institution | Deposits | Share | 5‑yr deposits |
|---|---|---|---|
| FCB Banks | $1.3B | 19.7% | +23% |
| Busey Bank | $1.2B | 17.3% | -9% |
| First Mid Bank & Trust | $753M | 11.2% | 0% |
| U.S. Bank | $672M | 10.0% | +5% |
| Regions Bank | $545M | 8.1% | -1% |
| Carrollton Bank | $394M | 5.9% | +39% |
| United Community Bank | $360M | 5.4% | +1% |
| Associated Bank | $300M | 4.5% | -3% |
| The Bradford National Bank of Greenville | $214M | 3.2% | +27% |
| Constitution Bank | $139M | 2.1% | +18% |
| Royal Banks of Missouri | $130M | 1.9% | +58% |
| UMB Bank | $109M | 1.6% | +1% |
| Heartland Bank and Trust Company | $100M | 1.5% | -17% |
| Collinsville Building and Loan Association | $83M | 1.2% | -15% |
| St. Louis Bank | $73M | 1.1% | +82% |
| First National Bank of Waterloo | $69M | 1.0% | -31% |
| Dieterich Bank | $68M | 1.0% | +88% |
| Bank of Springfield | $65M | 1.0% | +104% |
| PNC Bank | $61M | 0.9% | +7% |
| JPMorgan Chase Bank | $43M | 0.6% | no 2021 presence |
| Community Partners Savings Bank | $24M | 0.4% | -19% |
| Bank of Belleville | $22M | 0.3% | +285% |
| Woodforest National Bank | $3M | <0.1% | -53% |
The 23 insured institutions with a branch presence in this county, per the FDIC Summary of Deposits, June 30, 2026. Five-year change compares the same institution’s county deposits in 2021 and 2026. Institutions are tracked by FDIC certificate number, and where an institution acquired another bank, the acquired bank’s prior deposits are folded into the baseline so the change reflects the combined, continuing franchise rather than reading as new. “No 2021 presence” means neither the institution nor a bank it later absorbed reported deposits in this county that year. Deposit figures are nominal and are not adjusted for inflation.
Part of the St. Louis-St. Charles-Farmington market
Madison County is one of 17 counties that make up the St. Louis-St. Charles-Farmington, MO-IL market, a Combined Statistical Area (ranked #27 of 293 U.S. markets by economic output). It produces 6.8% of the market’s output and holds 4.6% of its deposits.
| Measure | Madison County | Share of parent market |
|---|---|---|
| 2024 GDP | $12.9B | 6.8% |
| Deposits | $6.7B | 4.6% |
| Population | 263,110 | 9.0% |
View the full St. Louis-St. Charles-Farmington market profile →
Recruiting in Madison County
Deposits are split among a moderate number of institutions. Who holds the deposits, and how contested the market is, shapes both the runway for growth and the competition you would be recruiting against. We recruit commercial relationship managers, banking teams, and market leaders for banks building in markets like Madison County.
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