Idaho Citizen Voting-age Population By County in 2014 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2014, the citizen voting-age population for Idaho was 1,116,710 and represented 69.82% of the total Idaho population.

Among all Idaho counties, Ada had the highest citizen voting-age population (292.94K), followed by Canyon (125.20K), and Kootenai (107.36K).

In terms of percentages, Clearwater had the highest percentage of its population being citizens of voting-age (83.14%), followed by Adams (81.33%), and Lemhi (81.16%).

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 Population By County in 2014

Data Source: US Census - ACS 5-Year (CVAP).

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Idaho Citizen Voting-age Population By County in 2014

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County	Citizen Voting-age Population	% of County Population
Ada	292940	71.58
Canyon	125195	64.09
Kootenai	107360	75.19
Bonneville	70195	65.78
Bannock	59500	71.35
Twin Falls	52985	67.13
Bonner	32025	78.30
Nez Perce	30860	77.82
Latah	29815	78.48
Bingham	28740	63.08
Madison	26490	70.16
Elmore	17745	67.34
Jefferson	16645	62.53
Payette	15520	68.49
Blaine	14490	68.12
Cassia	14135	60.73
Jerome	12950	57.35
Idaho	12920	79.19
Minidoka	12525	62.04
Gem	12250	73.22
Shoshone	9965	78.90
Gooding	9245	60.66
Fremont	8610	66.10
Boundary	8090	74.19
Franklin	8085	62.89
Valley	7690	79.61
Owyhee	7325	64.20
Washington	7210	71.60
Clearwater	7150	83.14
Benewah	6985	76.34
Lemhi	6355	81.16
Teton	6335	62.05
Boise	5470	79.51
Power	4895	63.24
Caribou	4740	69.15
Bear Lake	4300	72.39
Custer	3380	78.88
Lincoln	3185	60.72
Adams	3180	81.33
Oneida	3025	71.34
Lewis	2960	77.49
Butte	2040	74.59
Camas	785	67.97
Clark	410	49.70