Idaho Population By County in 2022

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2022, the population of Idaho was 1,939,033. Among all Idaho counties, Ada[object Promise] had the highest population (518,907), followed by Canyon[object Promise] (251,065), and Kootenai[object Promise] (183,578). Clark[object Promise] was the least populated county (806).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Idaho Population By County in 2022
Idaho Population By County in 2022
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County Population % of State Population
Ada 518907 26.76
Adams 4817 0.25
Bannock 89517 4.62
Bear Lake 6722 0.35
Benewah 10370 0.54
Bingham 49923 2.58
Blaine 24866 1.28
Boise 8333 0.43
Bonner 51414 2.65
Bonneville 129496 6.68
Boundary 13345 0.69
Butte 2684 0.14
Camas 1153 0.06
Canyon 251065 12.95
Caribou 7190 0.37
Cassia 25655 1.32
Clark 806 0.04
Clearwater 9015 0.47
Custer 4506 0.23
Elmore 29403 1.52
Franklin 15189 0.78
Fremont 13978 0.72
Gem 20418 1.05
Gooding 15715 0.81
Idaho 17593 0.91
Jefferson 33428 1.72
Jerome 25311 1.31
Kootenai 183578 9.47
Latah 40978 2.11
Lemhi 8240 0.43
Lewis 3763 0.19
Lincoln 5329 0.28
Madison 54976 2.84
Minidoka 22194 1.15
Nez Perce 43004 2.22
Oneida 4712 0.24
Owyhee 12613 0.65
Payette 26956 1.39
Power 8068 0.42
Shoshone 14012 0.72
Teton 12544 0.65
Twin Falls 93696 4.83
Valley 12464 0.64
Washington 11087 0.57