Cities in Bonneville County, Idaho by Population (2024)

There are 12 cities in Bonneville County, Idaho.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Idaho Falls1Idaho68,69965,9051.03%2,58626.57
Ammon2Idaho20,19717,8752.96%2,5078.05
Rigby3Idaho5,7455,0723.01%2,3762.42
Shelley4Idaho5,2994,8312.26%2,9341.81
Lincoln5Idaho3,8963,3803.42%2,5051.55
Iona6Idaho3,2252,7453.86%2,5621.26
Ucon7Idaho1,2571,1671.78%1,3780.91
Ririe8Idaho7186651.84%1,3810.52
Roberts9Idaho6045004.5%1,9240.31
Swan Valley10Idaho3232426.6%2811.61
Irwin11Idaho2932632.45%1122.61
Freedom12Wyoming166206-5.68%414.02

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Bonneville County, Idaho?

Idaho Falls is the largest city in Bonneville County.

What is the smallest city in Bonneville County, Idaho?

Freedom is the smallest city in Bonneville County.

How many cities are in Bonneville County?

There are 12 cities in Bonneville County, Idaho.

Frequently Asked Questions