
Boise
- County:
- Ada County
- County Seat:
- No
- Area (mi²):
- 84.553
- State:
- Idaho
Boise City is a city located in Ada County, Idaho. Boise City has a 2025 population of 235,012. Boise City is currently declining at a rate of -0.09% annually and its population has decreased by -0.43% since the most recent census, which recorded a population of 236,034 in 2020.
The average household income in Boise City is $112,482 with a poverty rate of 10.63%. The median age in Boise City is 38.2 years: 37.2 years for males, and 39.3 years for females.