First Southern Bank holds $542M in deposits across 8 counties in 5 ranked markets and 4 states. Its deposit footprint is highly concentrated: the top three counties (Lauderdale County, Colbert County, Marshall County) hold 97% of its deposits, and Alabama accounts for 98% of the total. It ranks among the three largest institutions in 2 of the 8 counties where it operates.
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Data as of June 30, 2025 (FDIC Summary of Deposits)
| County | Deposits | County’s % of Bank’s Deposits | Bank’s % of County Deposits | Branches | |
|---|---|---|---|---|---|
| 1. | Lauderdale County, AL | $478M | 88.1% | 17.8% | 3 |
| 2. | Colbert County, AL | $44M | 8.2% | 3.4% | 1 |
| 3. | Marshall County, AL | $6M | 1.1% | 0.2% | 1 |
| 4. | Levy County, FL | $5M | 0.9% | 0.9% | 1 |
| 5. | Lake County, FL | $5M | 0.8% | 0.1% | 1 |
| 6. | Union County, MS | $3M | 0.5% | 0.4% | 1 |
| 7. | Lawrence County, AL | $1M | 0.2% | 0.2% | 1 |
| 8. | Miller County, AR | $1M | 0.2% | 0.1% | 1 |
Deposits are as reported to the FDIC at branch level, June 30, 2025, and are nominal. “County’s % of Bank’s Deposits” is this county’s share of the institution’s total deposits; “Bank’s % of County Deposits” is this institution’s deposits as a percent of all deposits booked in that county. Counties within a Combined or Metropolitan Statistical Area link to their full profile; other counties are shown for completeness.
All 293 markets and the 1,533 counties within a CSA or MSA are covered in the Market Intelligence resource. See the methodology for how each figure is built and when to expect updates.