
Lamar
- County:
- Darlington County
- County Seat:
- No
- Area (mi²):
- 1.213
- State:
- South Carolina
Lamar is a town located in Darlington County, South Carolina. Lamar has a 2025 population of 834. Lamar is currently declining at a rate of -0.48% annually and its population has decreased by -2.57% since the most recent census, which recorded a population of 856 in 2020.
The average household income in Lamar is $84,463 with a poverty rate of 31.33%. The median age in Lamar is 29.7 years: 23.5 years for males, and 35.6 years for females.