| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Prosperity Bank | Bank | 2 | $326.5M | 37.83% |
| 2 | Texas Dow Employees Credit Union | Credit union | 1 | $126.6M* | 14.67% |
| 3 | First Service Credit Union | Credit union | 1 | $88.1M* | 10.21% |
| 4 | The First State Bank | Bank | 2 | $72.3M | 8.38% |
| 5 | Baycel Federal Credit Union | Credit union | 4 | $66.7M* | 7.73% |
| 6 | First Financial Bank | Bank | 1 | $62.3M | 7.22% |
| 7 | International Bank of Commerce | Bank | 1 | $51.8M | 6.00% |
| 8 | Matagorda County Credit Union | Credit union | 1 | $29.7M* | 3.44% |
| 9 | Chemcel Federal Credit Union | Credit union | 1 | $25.7M* | 2.98% |
| 10 | Woodforest National Bank | Bank | 1 | $7.4M | 0.85% |
| 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 |
|---|---|---|---|---|---|---|
| 2025 | $862.9M | 11 | 16 | Prosperity Bank | 37.8% | 1,991 |
| 2024 | $848.7M | 11 | 15 | Prosperity Bank | 41.0% | 2,171 |
| 2023 | $873.7M | 11 | 15 | Prosperity Bank | 39.9% | 2,100 |
| 2022 | $1.05B | 11 | 14 | Prosperity Bank | 36.5% | 2,029 |
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.