| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Security State Bank | Bank | 1 | $174.3M | 18.56% |
| 2 | Security Service Federal Credit Union | Credit union | 1 | $155.9M* | 16.60% |
| 3 | Wells Fargo Bank, National Association | Bank | 1 | $120.0M | 12.78% |
| 4 | First Commercial Bank, National Association | Bank | 1 | $108.5M | 11.56% |
| 5 | The Lytle State Bank of Lytle, Texas | Bank | 1 | $101.1M | 10.76% |
| 6 | Prosperity Bank | Bank | 1 | $98.0M | 10.44% |
| 7 | Atascosa Bank | Bank | 1 | $71.5M | 7.61% |
| 8 | TXN Bank | Bank | 1 | $40.6M | 4.32% |
| 9 | SouthTrust Bank, N.A. | Bank | 1 | $37.4M | 3.98% |
| 10 | Texas Champion Bank | Bank | 2 | $23.3M | 2.48% |
| 1 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $939.1M | 11 | 12 | Security State Bank | 18.6% | 1,241 |
| 2025 | $864.9M | 11 | 12 | Security Service Federal Credit Union | 17.5% | 1,212 |
| 2024 | $883.5M | 11 | 12 | Security State Bank | 17.7% | 1,235 |
| 2023 | $907.5M | 11 | 12 | Security Service Federal Credit Union | 17.7% | 1,221 |
| 2022 | $928.1M | 11 | 12 | Security Service Federal Credit Union | 17.8% | 1,218 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.