Idaho City Flag

Idaho City

County:
Boise County
County Seat:
Yes
Area (mi²):
0.665
State:
Idaho

Idaho City is a city located in Boise County, Idaho. Idaho City has a 2026 population of 536. It is also the county seat of Boise County. Idaho City is currently declining at a rate of 0% annually and its population has increased by 13.8% since the most recent census, which recorded a population of 471 in 2020.

536
Total Population
806
Density (mi²)

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)