There are 7 cities in Ada County, Idaho.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Boise1233,860236,018-0.59%2,79583.67
Meridian2137,660119,4052.96%4,05333.97
Eagle333,07530,8381.03%1,08230.57
Kuna428,46124,4692.21%1,43919.78
Star518,02011,40110.33%2,5677.02
Garden City614,16512,2964.57%3,4714.08
Hidden Springs73,5843,416 1,4182.53
showing: 7 rows

Cities in Ada County, Idaho by Population (2024)

What is the largest city in Ada County, Idaho?

Boise is the largest city in Ada County.

What is the smallest city in Ada County, Idaho?

Hidden Springs is the smallest city in Ada County.

How many cities are in Ada County?

There are 7 cities in Ada County, Idaho.

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