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 446,052
2 Canyon County 212,230
3 Kootenai County 153,605
4 Bonneville County 112,397
5 Bannock County 85,065
6 Twin Falls County 83,666
7 Bingham County 45,551
8 Bonner County 42,711
9 Nez Perce County 40,155
10 Latah County 39,239
11 Madison County 38,705
12 Jefferson County 27,969
13 Elmore County 26,433
14 Cassia County 23,615
15 Jerome County 23,431
16 Payette County 23,041
17 Blaine County 21,994
18 Minidoka County 20,615
19 Gem County 17,052
20 Idaho County 16,337
21 Gooding County 15,169
22 Franklin County 13,279
23 Fremont County 12,965
24 Shoshone County 12,526
25 Boundary County 11,549
26 Owyhee County 11,455
27 Teton County 11,080
28 Valley County 10,401
29 Washington County 10,025
30 Benewah County 9,086
31 Clearwater County 8,640
32 Lemhi County 7,798
33 Power County 7,713
34 Boise County 7,163
35 Caribou County 6,918
36 Bear Lake County 5,962
37 Lincoln County 5,321
38 Oneida County 4,326
39 Custer County 4,141
40 Adams County 4,019
41 Lewis County 3,845
42 Butte County 2,602
43 Clark County 1,077
44 Camas County 886

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/.

United States Census Bureau. B01001 SEX BY AGE, 2018 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 19 December 2019. http://www.census.gov/.

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