Lamesa
- County:
- Dawson County
- County Seat:
- Yes
- Area (mi²):
- 5.107
- State:
- Texas
Lamesa is a city located in Dawson County, Texas. Lamesa has a 2026 population of 8,108. It is also the county seat of Dawson County. Lamesa is currently declining at a rate of -1.46% annually and its population has decreased by -6.55% since the most recent census, which recorded a population of 8,676 in 2020.