The largest city in Idaho is Boise, with a population of 241,686. Hamer is the fastest growing city in Idaho over the past 10 years, having grown 9.64% since 2010.

10 Largest Cities in Idaho

Cities in Idaho by Population (2022)

Idaho is one of America’s least populated states, ranking 39th with a population of 1.6 million despite ranking 11th in terms of size by area. Boise City is the only city in the state to have a population that surpasses 100,000, with a total of 218,281 people. The next largest city, Meridian, has less than half of this population, at just over 90,000, while the third most populous city, Nampa, barely trails behind with over 89,000 residents. There is a total of 21 cities with a population that exceeds 10,000.

In all, there are 201 incorporated municipalities that are designated as cities. These cities are spread across 44 counties. Idaho has many incorporated cities with populations that are less than 100 people, with the smallest being Warm River that has an estimated population of just 3 people.

Map of Cities in Idaho

Idaho Cities by First Letter

  1. US Census Annual Estimates - 2020 Estimates Calculated via Linear Projection of Previous Estimates

Sources