Idaho / Counties by Population

Idaho Counties by Population

The data is from the US Census. Below are 44 Idaho counties ranked 1 through 44. You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

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Rank County Population
1 Ada County 469,966
2 Canyon County 223,499
3 Kootenai County 161,505
4 Bonneville County 116,854
5 Bannock County 87,138
6 Twin Falls County 86,081
7 Bingham County 46,236
8 Bonner County 44,727
9 Nez Perce County 40,408
10 Latah County 40,134
11 Madison County 39,304
12 Jefferson County 29,439
13 Elmore County 27,259
14 Jerome County 24,015
15 Cassia County 23,864
16 Payette County 23,551
17 Blaine County 22,601
18 Minidoka County 20,825
19 Gem County 17,634
20 Idaho County 16,513
21 Gooding County 15,196
22 Franklin County 13,726
23 Fremont County 13,168
24 Shoshone County 12,796
25 Boundary County 11,948
26 Owyhee County 11,693
27 Teton County 11,640
28 Valley County 11,041
29 Washington County 10,161
30 Benewah County 9,226
31 Clearwater County 8,758
32 Lemhi County 7,961
33 Power County 7,768
34 Boise County 7,634
35 Caribou County 7,060
36 Bear Lake County 6,050
37 Lincoln County 5,360
38 Oneida County 4,488
39 Custer County 4,280
40 Adams County 4,250
41 Lewis County 3,861
42 Butte County 2,611
43 Camas County 1,127
44 Clark County 852

United States Census Bureau. B01001 SEX BY AGE, 2017 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 6 December 2018. http://www.census.gov/.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2018. U.S. Census Bureau, Population Division. Web. May 2019. http://www.census.gov/.

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