Lamar County () is a county located in the U.S. state of Texas, in the Northeast Texas region. As of the 2020 census, its population was 50,088. Its county seat is Paris. The county was formed by the Congress of the Republic of Texas on December 17, 1840, and organized the next year. It is named for Mirabeau B. Lamar, the second president of the Republic of Texas. Lamar County comprises the Paris, TX micropolitan statistical area.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which are land and (2.8%) are covered by water.
Major highways
- 20px U.S. Highway 82
- 25px U.S. Highway 271
- 20px State Highway 19
- 20px State Highway 24
- 20px Loop 286
Adjacent counties
- Choctaw County, Oklahoma (north)
- Red River County (east)
- Delta County (south)
- Fannin County (west)
- Bryan County, Oklahoma (northwest)
Communities
Cities
- Blossom
- Deport (partly in Red River County)
- Paris (county seat and largest municipality)
- Reno
- Roxton
- Sun Valley
- Toco
Census-designated place
- Brookston
- Petty
- Powderly
Unincorporated communities
- Ambia
- Arthur City
- Atlas
- Chicota
- Cunningham
- Glory
- Hopewell
- Midcity
- Milton
- Pattonville
- Sumner
- Broadway Junction
