Idaho Citizen Voting-age Population By County in 2013 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2013, the citizen voting-age population for Idaho was 1,102,735 and represented 69.65% of the total Idaho population.

Among all Idaho counties, Ada had the highest citizen voting-age population (286.46K), followed by Canyon (122.80K), and Kootenai (105.53K).

In terms of percentages, Clearwater had the highest percentage of its population being citizens of voting-age (82.06%), followed by Adams (80.94%), and Lemhi (80.65%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

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

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Idaho Citizen Voting-age Population By County in 2013
Idaho Citizen Voting-age Population By County in 2013
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County Citizen Voting-age Population % of County Population
Ada 286465 71.32
Canyon 122795 63.90
Kootenai 105525 74.96
Bonneville 69235 65.58
Bannock 59195 71.24
Twin Falls 52340 67.05
Bonner 31840 78.15
Nez Perce 30655 77.69
Latah 29710 78.94
Bingham 28535 62.74
Madison 26450 70.46
Elmore 17765 66.96
Jefferson 16455 62.35
Payette 15590 68.89
Blaine 14345 67.36
Cassia 14085 61.09
Jerome 12865 57.46
Idaho 12820 78.80
Minidoka 12635 62.85
Gem 12375 74.01
Shoshone 10050 78.95
Gooding 9180 60.08
Fremont 8590 65.62
Franklin 8085 63.16
Boundary 7975 73.40
Valley 7720 79.59
Owyhee 7345 64.01
Washington 7225 71.57
Clearwater 7090 82.06
Benewah 6925 75.40
Teton 6410 63.22
Lemhi 6335 80.65
Boise 5445 78.40
Caribou 4775 69.56
Power 4665 60.16
Bear Lake 4315 72.46
Custer 3385 78.18
Adams 3185 80.94
Lincoln 3175 60.82
Oneida 3010 70.74
Lewis 2970 77.14
Butte 2025 72.71
Camas 850 67.19
Clark 345 46.00