| Official Name: | Lamar, Texas |
| Settlement Type: | CDP |
| Pushpin Mapsize: | --> |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Aransas |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 4.9 |
| Area Land Sq Mi: | 3.1 |
| Area Water Sq Mi: | 1.8 |
| Population As Of: | 2010 |
| Population Total: | 636 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Coordinates: | 28.1403°N -96.9878°W |
| Postal Code Type: | Zip Code |
| Postal Code: | 78043 |
| Blank Name: | FIPS code |
| Blank Info: | 48-41092 |
Lamar is a small, unincorporated community and census-designated place (CDP) in Aransas County, Texas, United States, 10miles north of Rockport and north of Corpus Christi. As of the 2010 census it had a population of 636.[1] The community was named for Mirabeau B. Lamar, the second president of the Republic of Texas. This was a new CDP for the 2010 census.[2]
Lamar was founded in 1839 at Lookout Point, on the channel entrance to Copano Bay. President Lamar agreed to relocate the custom house here, and the town thrived as a port and the site of a salt works. This prosperity ended abruptly on February 11, 1864, when the town was bombarded and practically obliterated by the Union Navy.
For most of the 20th century the population was less than 200, but by the 2010 census it was over 600. The restored cemetery is a Texas historical landmark. Goose Island State Park is within the CDP.
Lamar is located at 28.1403°N -96.9878°W (28.140340, -96.987818). According to the United States Census Bureau, the CDP has a total area of 4.9sqmi, of which 3.1sqmi is land and 1.8sqmi is water.[3]
Lamar first appeared as a census designated place in the 2010 U.S. Census.
| White alone (NH) | 546 | style='background: #ffffe6; | 594 | 85.85% | style='background: #ffffe6; | 82.04% | |
| Black or African American alone (NH) | 1 | style='background: #ffffe6; | 0 | 0.16% | style='background: #ffffe6; | 0.00% | |
| Native American or Alaska Native alone (NH) | 3 | style='background: #ffffe6; | 10 | 0.47% | style='background: #ffffe6; | 1.38% | |
| Asian alone (NH) | 10 | style='background: #ffffe6; | 7 | 1.57% | style='background: #ffffe6; | 0.97% | |
| Pacific Islander alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Other race alone (NH) | 1 | style='background: #ffffe6; | 0 | 0.16% | style='background: #ffffe6; | 0.00% | |
| Mixed race or Multiracial (NH) | 5 | style='background: #ffffe6; | 38 | 0.79% | style='background: #ffffe6; | 5.25% | |
| Hispanic or Latino (any race) | 70 | style='background: #ffffe6; | 75 | 11.01% | style='background: #ffffe6; | 10.36% | |
| Total | 636 | style='background: #ffffe6; | 724 | 100.00% | style='background: #ffffe6; | 100.00% |