Cities & Towns in Bonneville County, ID

Bonneville County, county in Idaho, United States. As of 2020 county had an estimated population of 119,062 inhabitants. The county was created 113 years ago in 1911. Its county seat is Idaho Falls.

There are 1 city/town in Bonneville County, ID. The largest city of Bonneville County is Swan Valley with a population of 245.

Swan Valley
Swan Valley

Swan Valley, City in Bonneville County, Idaho, United States

Resting against the western slope of the Rocky Mountains, Bonneville County in eastern Idaho contains a blend of college town vibes, small communities, and stunning mountain landscapes. The largest city is Idaho Falls, home to over 60,000 residents. Idaho Falls provides an urban center for the region while retaining a small-town charm.

Just north of Idaho Falls sits the city of Ammon, with a population around 15,000. Ammon has seen steady growth as a suburb of Idaho Falls. Smaller towns like Ucon, Swan Valley, and Irwin dot the outskirts of Bonneville County, providing quiet mountain town atmospheres.

Beyond the incorporated cities and towns, Bonneville County also contains dozens of tiny unincorporated communities. Places like Taylor, Tablerock, and Crowther consist of just a handful of homes nestled in the picturesque mountain valleys.

From the regional hub of Idaho Falls to the remote wilderness settlements, Bonneville County showcases the best of Idaho living. In this post, we'll highlight some favorite spots in this Rocky Mountain county.

All Bonneville County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Bonneville County.

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City Name Title Population
Swan Valley City in Bonneville County, Idaho, United States 245