Idaho Population By County in 2014

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2014, the population of Idaho was 1,632,248. Among all Idaho counties, Ada County had the highest population (425,774), followed by Canyon County (202,542), and Kootenai County (146,687). Clark County was the least populated county (889).

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 2014
Idaho Population By County in 2014
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County Population % of State Population
Ada 425774 26.09
Adams 3884 0.24
Bannock 83587 5.12
Bear Lake 5931 0.36
Benewah 9035 0.55
Bingham 45226 2.77
Blaine 21471 1.32
Boise 6780 0.42
Bonner 41330 2.53
Bonneville 108285 6.63
Boundary 10963 0.67
Butte 2658 0.16
Camas 1052 0.06
Canyon 202542 12.41
Caribou 6793 0.42
Cassia 23503 1.44
Clark 889 0.05
Clearwater 8564 0.53
Custer 4134 0.25
Elmore 26257 1.61
Franklin 12924 0.79
Fremont 12815 0.79
Gem 16665 1.02
Gooding 15080 0.92
Idaho 16285 1.00
Jefferson 26948 1.65
Jerome 22918 1.40
Kootenai 146687 8.99
Latah 38570 2.36
Lemhi 7728 0.47
Lewis 3813 0.23
Lincoln 5336 0.33
Madison 38005 2.33
Minidoka 20340 1.25
Nez Perce 39873 2.44
Oneida 4177 0.26
Owyhee 11292 0.69
Payette 22790 1.40
Power 7734 0.47
Shoshone 12380 0.76
Teton 10450 0.64
Twin Falls 81019 4.96
Valley 9805 0.60
Washington 9956 0.61