| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Prosperity Bank | Bank | 2 | $329.3M | 39.43% |
| 2 | Texas Dow Employees Credit Union | Credit union | 1 | $118.9M* | 14.24% |
| 3 | First Service Credit Union | Credit union | 1 | $91.0M* | 10.89% |
| 4 | The First State Bank | Bank | 2 | $78.5M | 9.40% |
| 5 | Baycel Federal Credit Union | Credit union | 4 | $71.9M* | 8.61% |
| 6 | First Financial Bank | Bank | 1 | $65.8M | 7.88% |
| 7 | International Bank of Commerce | Bank | 1 | $55.2M | 6.61% |
| 8 | Matagorda County Credit Union | Credit union | 1 | $10.0M* | 1.19% |
| 9 | Woodforest National Bank | Bank | 1 | $7.6M | 0.91% |
| 10 | First National Bank Texas | Bank | 1 | $6.9M | 0.83% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $835.1M | 10 | 15 | Prosperity Bank | 39.4% | 2,147 |
| 2025 | $862.9M | 11 | 16 | Prosperity Bank | 37.8% | 1,991 |
| 2024 | $848.7M | 11 | 15 | Prosperity Bank | 41.0% | 2,171 |
| 2023 | $870.5M | 11 | 15 | Prosperity Bank | 40.0% | 2,108 |
| 2022 | $1.05B | 11 | 14 | Prosperity Bank | 36.6% | 2,036 |
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.