
Flat
- County:
- Coryell County
- County Seat:
- No
- Area (mi²):
- 0.98
- State:
- Texas
Flat is a CDP located in Coryell County, Texas. Flat has a 2025 population of 775. Flat is currently growing at a rate of 7.19% annually and its population has increased by 29.6% since the most recent census, which recorded a population of 598 in 2020.
The average household income in Flat is $119,627 with a poverty rate of 0%. The median age in Flat is 20.5 years: 20.2 years for males, and 22.9 years for females.