20 Fastest Growing States in 2024

4. Idaho

Percentage Change in Population: 1.3%

Population Growth: 25,730

Idaho, a northwestern US state, has experienced significant population growth. In recent years, domestic migration has been the main driver, accounting for roughly 78% of the increase. The remaining 22% of growth is attributed to natural change, where births outnumber deaths within the state. Idaho ranks as the fourth-fastest growing state in terms of population growth percentage.