
Hart
- County:
- Castro County
- County Seat:
- No
- Area (mi²):
- 0.738
- State:
- Texas
Hart is a city located in Castro County, Texas. Hart has a 2025 population of 849. Hart is currently declining at a rate of -0.35% annually and its population has decreased by -1.74% since the most recent census, which recorded a population of 864 in 2020.
The average household income in Hart is $63,069 with a poverty rate of 18.07%. The median age in Hart is 39.1 years: 45.1 years for males, and 34.2 years for females.