These Idaho Cities Had the Fastest U.S. Growth Rate Between 2019-2020

BOISE, Idaho – Idaho continues to grow statewide, with the fastest growing population in the country between 2019-2020. Much of this growth, however, has occurred in urban areas of Idaho.

About 70.5% of Idaho’s people lived in cities in 2020, up from 61.2% in 1980, according to the Idaho Dept. of Labor (IDL).

Between 2019-2020, eight of the 200 fastest growing cities were in Idaho with growth rates ranging from 3.5% to 7.5%:

• Kuna (43)
• Post offcuts (46)
• Star (55)
• Eagle (65)
• Meridian (70)
• Nampa (151)
• Ammon (167)
• Caldwell (171)

Eight cities in Idaho had a population greater than 50,000 in 2020, up from just four cities in 2000. The population of the city of Boise exceeded 50,000 in 1980 and was the only city in Idaho to have a population also important at this time.

Cities in Idaho continue to attract people from out of state as well as from rural areas of the state. Between 2019-2020, the 200 incorporated cities in Idaho grew 2.4%, faster than the 2.1% growth in the state of Idaho.

The eight cities in Idaho with more than 50,000 residents increased by 2.3% between 2019 and 2020, while the 177 cities in Idaho with less than 10,000 residents increased by only 1.7% . The 15 medium-sized cities experienced the fastest growth with a growth of 2.9%.

Blackfoot and Garden City were the only mid-sized cities in Idaho to experience a population loss between 2019-2020, although the loss was less than 1% in both cities. 32 smaller cities also saw their populations decline, but none exceeded 1.4%.

Nampa’s population grew to 103,215 in 2020, making it Idaho’s third largest city with a population of over 100,000 (Boise and Meridian).

The results of the 2020 census will be released in September.

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