state record · population
Population of Idaho
Idaho had an estimated population of 2,001,619 on July 1, 2024, according to the Census Bureau's Population Estimates Program.
What stands out
Idaho had an estimated population of 2,001,619 on July 1, 2024, according to the Census Bureau's Population Estimates Program. Since July 2020 that is +8.2 % (152,204 people); since 2010 it is +27.4 %. Migration is the larger driver since 2020: net migration +133,430 against a natural change (births minus deaths) of +19,909. Among the 51 states in the United States, it ranks 38 by population. Values for 2010–2019 and 2020–2024 come from two estimate vintages benchmarked to different censuses; the 2019→2020 step is partly a rebasing.
Population and components of change
July 1 estimates; components per estimate year (July–June).
Largest counties in Idaho
By latest estimate, with change since July 2020. Each links to the county's own population record.
| County | Population | Since 2020 |
|---|---|---|
| Ada County | 535,799 | +7.5 % |
| Canyon County | 266,892 | +14.5 % |
| Kootenai County | 188,323 | +9.0 % |
| Bonneville County | 133,644 | +7.1 % |
| Twin Falls County | 96,509 | +6.8 % |
| Bannock County | 91,010 | +4.3 % |
| Madison County | 55,549 | +5.0 % |
| Bonner County | 53,955 | +13.8 % |
| Bingham County | 50,889 | +5.8 % |
| Nez Perce County | 42,847 | +1.7 % |
| Latah County | 42,180 | +6.4 % |
| Jefferson County | 34,854 | +12.1 % |
| Elmore County | 29,729 | +3.7 % |
| Payette County | 27,662 | +8.1 % |
| Jerome County | 26,056 | +7.4 % |
| Cassia County | 25,976 | +4.9 % |
| Blaine County | 25,261 | +3.8 % |
| Minidoka County | 22,691 | +4.7 % |
| Gem County | 21,857 | +13.4 % |
| Idaho County | 17,912 | +8.0 % |
| Gooding County | 16,189 | +3.4 % |
| Franklin County | 15,638 | +9.5 % |
| Fremont County | 14,399 | +7.3 % |
| Shoshone County | 14,074 | +6.6 % |
| Boundary County | 14,040 | +15.6 % |
Largest cities and towns in Idaho
Incorporated places, latest estimate. The Census Bureau publishes totals only for places, no components.
| Place | Population | Since 2020 |
|---|---|---|
| Boise City city | 237,963 | +0.8 % |
| Meridian city | 139,740 | +16.9 % |
| Nampa city | 117,350 | +15.7 % |
| Caldwell city | 73,088 | +20.3 % |
| Idaho Falls city | 69,523 | +5.4 % |
| Pocatello city | 58,231 | +3.2 % |
| Coeur d'Alene city | 57,355 | +4.4 % |
| Twin Falls city | 55,589 | +6.7 % |
| Post Falls city | 45,800 | +16.5 % |
| Rexburg city | 40,695 | +2.3 % |
| Lewiston city | 34,693 | +1.3 % |
| Eagle city | 33,451 | +5.8 % |
| Kuna city | 29,127 | +18.8 % |
| Moscow city | 26,894 | +5.4 % |
| Ammon city | 20,095 | +12.4 % |
| Star city | 18,208 | +58.8 % |
| Hayden city | 16,924 | +8.1 % |
| Mountain Home city | 16,912 | +5.2 % |
| Chubbuck city | 16,577 | +5.8 % |
| Jerome city | 13,481 | +9.0 % |
| Blackfoot city | 13,224 | +6.6 % |
| Garden City city | 12,936 | +5.2 % |
| Rathdrum city | 12,626 | +35.9 % |
| Burley city | 12,211 | +3.8 % |
| Middleton city | 11,730 | +22.6 % |
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