| Place Name | Port Lavaca |
| Place Type | City |
| ZIP Code(s) | 77979 |
| County | Calhoun County |
| Area Code(s) | 361 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 12,224 |
| Population Growth Rate (2010-19) | -5.64% |
| Majority Ethnicity | White 48.9% |
| Metro/Micro Stats Area | Port Lavaca, TX |
| US Congressional District(s) | Texas 27th |
| State House Districts | 30 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 48.9% |
| African American | 2.53% |
| Hispanic | 0.11% |
| Asian | 4.87% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 43.59% |