
Flagstaff
- County:
- Coconino County
- County Seat:
- Yes
- Area (mi²):
- 66.012
- State:
- Arizona
Flagstaff is a city located in Coconino County, Arizona. Flagstaff has a 2025 population of 76,246. It is also the county seat of Coconino County. Flagstaff is currently declining at a rate of -0.22% annually and its population has decreased by -1.1% since the most recent census, which recorded a population of 77,095 in 2020.
The average household income in Flagstaff is $94,917 with a poverty rate of 19.36%. The median age in Flagstaff is 26 years: 26.8 years for males, and 24.6 years for females.