
Tustin
- County:
- Orange County
- County Seat:
- No
- Area (mi²):
- 11.123
- State:
- California
Tustin is a city located in Orange County, California. Tustin has a 2025 population of 76,238. Tustin is currently declining at a rate of -0.95% annually and its population has decreased by -4.59% since the most recent census, which recorded a population of 79,902 in 2020.
The average household income in Tustin is $147,433 with a poverty rate of 10.39%. The median age in Tustin is 36.8 years: 35.2 years for males, and 38.3 years for females.