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 | 456,849 |
| 2 | Canyon County | 216,699 |
| 3 | Kootenai County | 157,637 |
| 4 | Bonneville County | 114,595 |
| 5 | Bannock County | 85,269 |
| 6 | Twin Falls County | 85,124 |
| 7 | Bingham County | 45,927 |
| 8 | Bonner County | 43,560 |
| 9 | Nez Perce County | 40,385 |
| 10 | Latah County | 39,333 |
| 11 | Madison County | 39,141 |
| 12 | Jefferson County | 28,446 |
| 13 | Elmore County | 26,823 |
| 14 | Cassia County | 23,664 |
| 15 | Jerome County | 23,627 |
| 16 | Payette County | 23,215 |
| 17 | Blaine County | 22,024 |
| 18 | Minidoka County | 20,729 |
| 19 | Gem County | 17,379 |
| 20 | Idaho County | 16,369 |
| 21 | Gooding County | 15,124 |
| 22 | Franklin County | 13,564 |
| 23 | Fremont County | 13,094 |
| 24 | Shoshone County | 12,542 |
| 25 | Boundary County | 11,922 |
| 26 | Owyhee County | 11,628 |
| 27 | Teton County | 11,381 |
| 28 | Valley County | 10,687 |
| 29 | Washington County | 10,121 |
| 30 | Benewah County | 9,184 |
| 31 | Clearwater County | 8,546 |
| 32 | Lemhi County | 7,875 |
| 33 | Power County | 7,600 |
| 34 | Boise County | 7,290 |
| 35 | Caribou County | 7,034 |
| 36 | Bear Lake County | 6,028 |
| 37 | Lincoln County | 5,318 |
| 38 | Oneida County | 4,427 |
| 39 | Custer County | 4,172 |
| 40 | Adams County | 4,147 |
| 41 | Lewis County | 3,887 |
| 42 | Butte County | 2,602 |
| 43 | Camas County | 1,102 |
| 44 | Clark County | 873 |
|
United States Census Bureau / American FactFinder. "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2017". 2017 Population Estimates Program. Web. March 2018. http://factfinder2.census.gov. |
||
