| Place Name | Lamar |
| Place Type | Census Designated Place |
| ZIP Code(s) | 78382 |
| County | Aransas County |
| Area Code(s) | 361 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 872 |
| Population Growth Rate (2010-19) | 13.84% |
| Majority Ethnicity | White 95.71% |
| Metro/Micro Stats Area | Rockport, TX |
| US Congressional District(s) | Texas 27th |
| State House Districts | 30 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.71% |
| African American | 0% |
| Hispanic | 2.18% |
| Asian | 0.08% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.03% |