Lockhart
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 0.305
- State:
- South Carolina
Lockhart is a town located in Union County, South Carolina. Lockhart has a 2026 population of 370. Lockhart is currently declining at a rate of -0.8% annually and its population has decreased by -3.39% since the most recent census, which recorded a population of 383 in 2020.
The median household income in Lockhart is $39,000 with a poverty rate of 12.9%. The median age in Lockhart is 38.6 years: 39.1 years for males, and 34.5 years for females. For every 100 females there are 81.6 males.