
Fort Irwin
- County:
- San Bernardino County
- County Seat:
- No
- Area (mi²):
- 6.965
- State:
- California
Fort Irwin is a CDP located in San Bernardino County, California. Fort Irwin has a 2025 population of 8,997. Fort Irwin is currently growing at a rate of 0.11% annually but its population has decreased by -6.02% since the most recent census, which recorded a population of 9,573 in 2020.
The average household income in Fort Irwin is $76,674 with a poverty rate of 11.64%. The median age in Fort Irwin is 23.4 years: 23.5 years for males, and 22.4 years for females.