
Justin
- County:
- Denton County
- County Seat:
- No
- Area (mi²):
- 4.422
- State:
- Texas
Justin is a city located in Denton County, Texas. Justin has a 2025 population of 6,822. Justin is currently growing at a rate of 7.31% annually and its population has increased by 51.73% since the most recent census, which recorded a population of 4,496 in 2020.
The average household income in Justin is $117,568 with a poverty rate of 0.3%. The median age in Justin is 38.1 years: 34.4 years for males, and 44.2 years for females.