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The Commemorative
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The Commemorative Quarter for Idaho

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 BinghamCounty.

From the Census Estimates for 2009, <1> Bonneville had a population of 101,329 people. This is an increase of 22.79% since the last Census (which gave a population of 82,522 people in 2000).

At the time of the 2000 Census, Bonneville represented 6.38% of the total population of Idaho, making it the state's 4th most populous county (out of 44 counties).

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
2010104,234+26.31%+2.87% since 2009
2009101,329+22.79%+2.09% since 2008
200899,254+20.28%+2.91% since 2007
200082,522The Last Census

More information can be found on the Bonneville County Census Page for Bonneville County.


Below are some of the communities located in Bonneville County (for more communities, please visit our Nearby Page for Bonneville County):

Community 2009
(2009vs. 2000)
Idaho Falls   55,31250,7309.03% increase  
Ammon   13,9426,187125.3% increase  
Iona   1,3591,20113.16% increase  
Ucon   1,09994316.54% increase  
Ririe   5595452.57% increase  

Websites for Bonneville County

Official Website:   www.co.bonneville.id.us/

If you know of a history or genealogy society whose interest includes Bonneville County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

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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 2000 Census and the next count will be for the 2010 Census.

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<2>All Quarter-dollar coin images from the United States Mint.

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