| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Prosperity Bank | Bank | 3 | $769.6M | 43.74% |
| 2 | The First State Bank | Bank | 4 | $316.2M | 17.98% |
| 3 | NewFirst National Bank | Bank | 4 | $261.9M | 14.89% |
| 4 | Texasgulf Federal Credit Union | Credit union | 2 | $178.9M* | 10.17% |
| 5 | First Financial Bank | Bank | 1 | $142.4M | 8.09% |
| 6 | Zions Bancorporation, N.A. | Bank | 1 | $44.7M | 2.54% |
| 7 | The First National Bank of Eagle Lake | Bank | 1 | $25.8M | 1.47% |
| 8 | Woodforest National Bank | Bank | 1 | $7.2M | 0.41% |
| 9 | First National Bank Texas | Bank | 1 | $6.4M | 0.37% |
| 10 | Wharton County Teachers Credit Union | Credit union | 1 | $6.0M* | 0.34% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.76B | 10 | 19 | Prosperity Bank | 43.7% | 2,636 |
| 2024 | $1.74B | 10 | 19 | Prosperity Bank | 43.1% | 2,619 |
| 2023 | $1.60B | 10 | 19 | Prosperity Bank | 41.0% | 2,481 |
| 2022 | $1.52B | 10 | 19 | Prosperity Bank | 38.1% | 2,353 |
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.