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 435,117
2 Canyon County 207,027
3 Kootenai County 150,128
4 Bonneville County 110,404
5 Bannock County 84,113
6 Twin Falls County 82,248
7 Bingham County 45,369
8 Bonner County 41,855
9 Nez Perce County 40,014
10 Latah County 38,697
11 Madison County 38,241
12 Jefferson County 27,410
13 Elmore County 26,232
14 Cassia County 23,472
15 Jerome County 23,039
16 Payette County 22,839
17 Blaine County 21,583
18 Minidoka County 20,448
19 Gem County 16,850
20 Idaho County 16,275
21 Gooding County 15,110
22 Franklin County 13,120
23 Fremont County 12,889
24 Shoshone County 12,490
25 Owyhee County 11,384
26 Boundary County 11,323
27 Teton County 10,776
28 Valley County 10,104
29 Washington County 9,996
30 Benewah County 9,050
31 Clearwater County 8,533
32 Lemhi County 7,755
33 Power County 7,667
34 Boise County 6,968
35 Caribou County 6,862
36 Bear Lake County 5,942
37 Lincoln County 5,296
38 Oneida County 4,284
39 Custer County 4,141
40 Adams County 3,946
41 Lewis County 3,824
42 Butte County 2,613
43 Clark County 1,055
44 Camas County 886

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/.

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