Idaho Citizen Population By County in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen population for Idaho was 1,466,725 and represented 96.07% of the total Idaho population.

Among all Idaho counties, Ada had the highest citizen population (367.79K), followed by Canyon (170.13K), and Kootenai (133.29K).

In terms of percentages, Oneida had the highest percentage of its population being citizens (100.00%), followed by Bear Lake (99.67%), and Idaho (99.66%).

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

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

You may also be interested in:
Idaho Citizen Voting-age Population By County in 2010

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

See this for other years:

Idaho Citizen Population By County in 2010

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County	Citizen Population	% of County Population
Ada	367785	96.60
Canyon	170130	93.11
Kootenai	133295	98.85
Bonneville	96880	96.67
Bannock	79325	98.30
Twin Falls	70850	94.56
Bingham	42455	95.42
Bonner	40055	98.39
Nez Perce	38520	99.06
Latah	35820	97.75
Madison	35635	97.86
Elmore	25455	95.44
Jefferson	23715	96.70
Payette	21880	97.46
Cassia	20565	93.01
Blaine	18820	88.23
Jerome	18695	87.85
Minidoka	18005	92.22
Gem	16145	96.22
Idaho	15890	99.66
Gooding	13490	89.10
Shoshone	12820	99.26
Fremont	12325	94.37
Franklin	12245	98.00
Boundary	10665	98.84
Owyhee	9950	87.36
Valley	9720	98.73
Washington	9435	93.37
Benewah	9205	98.98
Clearwater	8720	99.49
Teton	8685	92.25
Lemhi	7830	99.62
Boise	7060	99.16
Power	6755	88.47
Caribou	6735	97.61
Bear Lake	6005	99.67
Lincoln	4560	90.84
Custer	4225	98.83
Oneida	4210	100.00
Adams	3915	99.37
Lewis	3700	98.40
Butte	2815	99.12
Camas	1115	91.77
Clark	615	71.93