Idaho
Demographics by Cubit
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!
Looking for a list of cities, counties or zips in Idaho?
Get a spreadsheet with the most current population, income, housing demographics and more for all cities, counties or zips in Idaho. Learn more.
| 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/. |
||
