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Welcome to Bonneville County ...

Time Zone: Bonneville County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Idaho Falls is the Seat for Bonneville County.

Bonneville County was founded in 1911 and was created by taking area from Bingham County.

From the Census Estimates for 2019, <1> Bonneville had a population of 119,286 people. This is an increase of 14.44% since the last Census (which gave a population of 104,234 people in 2010).

At the time of the 2010 Census, Bonneville represented 6.65% of the total population of Idaho.

Below are some of the communities located in Bonneville County:

  • Ammon
    (4 miles [6.4 km] to the west)
    • Note: The GPS coordinates that we are using for Ammon have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Ammon
    • Ammon is located in Bonneville County (ID)
    • Population from the 2020 Census: 17,726 people
    • Jump to TripAdvisor's Tourism page for Ammon <3>
  • Idaho Falls
    (8 miles [12.9 km] to the west)
  • Iona
    (4 miles [6.4 km] to the northwest)
    • Note: The GPS coordinates that we are using for Iona have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Iona
    • Iona is located in Bonneville County (ID)
    • Population from the 2020 Census: 2,441 people
    • Jump to TripAdvisor's Tourism page for Iona <3>
  • Irwin
    (29 miles [46.7 km] to the east)
    • Note: The GPS coordinates that we are using for Irwin have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Irwin
    • Irwin is located in Bonneville County (ID)
    • Population from the 2020 Census: 250 people
    • Jump to TripAdvisor's Tourism page for Irwin <3>
  • Swan Valley
    (28 miles [45.1 km] to the east)
    • Note: The GPS coordinates that we are using for Swan Valley have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Swan Valley
    • Swan Valley is located in Bonneville County (ID)
    • Population from the 2020 Census: 300 people
    • Jump to TripAdvisor's Tourism page for Swan Valley <3>
  • Ucon
    (9 miles [14.5 km] to the northwest)
    • Note: The GPS coordinates that we are using for Ucon have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Ucon
    • Ucon is located in Bonneville County (ID)
    • Population from the 2020 Census: 1,172 people
    • Jump to TripAdvisor's Tourism page for Ucon <3>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
 

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This page was last modified/updated: 26 Feb 2024