Special Report

Fastest Growing County in Every State

Source: kenlund / Flickr

11. Hawaii: Hawaii County
> Largest place in county: Hilo
> 2010-2018 pop. change: +8.6% (185,076 to 200,983)
> 2010-2018 pop. change, Hawaii: +4.4% (1.4 million to 1.4 million)
> 2010-2018 pop. change due to migration: +9,992
> 2018 unemployment: 3.0% (state: 2.4%)

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Source: mtcurado / Getty Images

12. Idaho: Ada County
> Largest place in county: Boise City
> 2010-2018 pop. change: +19.8% (392,371 to 469,966)
> 2010-2018 pop. change, Idaho: +11.9% (1.6 million to 1.8 million)
> 2010-2018 pop. change due to migration: +58,094
> 2018 unemployment: 2.5% (state: 2.8%)

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Source: EJ_Rodriquez / Getty Images

13. Illinois: Kendall County
> Largest place in county: Oswego
> 2010-2018 pop. change: +11.4% (114,803 to 127,915)
> 2010-2018 pop. change, Illinois: -0.7% (12.8 million to 12.7 million)
> 2010-2018 pop. change due to migration: +4,016
> 2018 unemployment: 3.5% (state: 4.3%)

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Source: Jose A Perez / Getty Images

14. Indiana: Hamilton County
> Largest place in county: Carmel
> 2010-2018 pop. change: +20.2% (274,569 to 330,086)
> 2010-2018 pop. change, Indiana: +3.2% (6.5 million to 6.7 million)
> 2010-2018 pop. change due to migration: +36,188
> 2018 unemployment: 2.7% (state: 3.4%)

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Source: Stephen Matthew Milligan / Wikimedia Commons

15. Iowa: Dallas County
> Largest place in county: Waukee
> 2010-2018 pop. change: +36.4% (66,138 to 90,180)
> 2010-2018 pop. change, Iowa: +3.6% (3.0 million to 3.2 million)
> 2010-2018 pop. change due to migration: +17,290
> 2018 unemployment: 1.7% (state: 2.5%)

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