Fastest-growing (2019–2023) in Idaho
Idaho counties and cities ranked by population growth.
This page ranks the counties and cities of Idaho by population growth — which have the fastest population growth since 2019, according to the US Census Bureau's American Community Survey 5-year estimates.
Among counties, Madison County leads at +37.0%.
Among cities & places, Lowman leads at +950.0%.
Counties
| # | Name | Population change 2019–2023 | |
|---|---|---|---|
| 1 | Madison County | +37.0% | |
| 2 | Gem County | +14.6% | |
| 3 | Bonner County | +13.4% | |
| 4 | Valley County | +13.3% | |
| 5 | Kootenai County | +13.0% | |
| 6 | Jefferson County | +13.0% | |
| 7 | Payette County | +12.6% | |
| 8 | Adams County | +12.3% | |
| 9 | Canyon County | +11.4% | |
| 10 | Ada County | +11.2% | |
| 11 | Bonneville County | +11.1% | |
| 12 | Camas County | +10.2% | |
| 13 | Blaine County | +9.9% | |
| 14 | Franklin County | +9.3% | |
| 15 | Bear Lake County | +9.2% | |
| 16 | Boise County | +9.0% | |
| 17 | Elmore County | +8.6% | |
| 18 | Twin Falls County | +8.5% | |
| 19 | Benewah County | +8.5% | |
| 20 | Washington County | +8.0% | |
| 21 | Shoshone County | +7.7% | |
| 22 | Boundary County | +7.2% | |
| 23 | Bingham County | +6.9% | |
| 24 | Oneida County | +6.8% | |
| 25 | Owyhee County | +6.3% | |
| 26 | Cassia County | +6.2% | |
| 27 | Teton County | +5.9% | |
| 28 | Minidoka County | +5.9% | |
| 29 | Custer County | +5.8% | |
| 30 | Nez Perce County | +5.6% | |
| 31 | Fremont County | +5.2% | |
| 32 | Power County | +4.5% | |
| 33 | Jerome County | +4.5% | |
| 34 | Idaho County | +4.3% | |
| 35 | Lemhi County | +4.1% | |
| 36 | Gooding County | +3.9% | |
| 37 | Bannock County | +3.1% | |
| 38 | Clearwater County | +2.9% | |
| 39 | Butte County | +2.8% | |
| 40 | Caribou County | +2.4% | |
| 41 | Latah County | +2.1% | |
| 42 | Lincoln County | -1.4% | |
| 43 | Lewis County | -4.9% | |
| 44 | Clark County | -15.0% |
Cities & places
Top 100.| # | Name | Population change 2019–2023 | |
|---|---|---|---|
| 1 | Lowman | +950.0% | |
| 2 | Stanley | +307.2% | |
| 3 | Blanchard | +210.9% | |
| 4 | Murphy | +198.4% | |
| 5 | Parker | +164.6% | |
| 6 | Swan Valley | +142.2% | |
| 7 | Malta | +136.0% | |
| 8 | Crouch | +135.6% | |
| 9 | Oldtown | +132.5% | |
| 10 | Clifton | +129.7% | |
| 11 | Donnelly | +129.2% | |
| 12 | Moyie Springs | +113.2% | |
| 13 | Parkline | +106.7% | |
| 14 | Onaway | +97.4% | |
| 15 | Clark Fork | +93.9% | |
| 16 | Groveland | +92.9% | |
| 17 | Conkling Park | +92.6% | |
| 18 | Ririe | +89.7% | |
| 19 | East Hope | +89.0% | |
| 20 | Elk City | +83.7% | |
| 21 | Newdale | +74.6% | |
| 22 | Hope | +67.3% | |
| 23 | Ashton | +59.5% | |
| 24 | Wardner | +58.7% | |
| 25 | Leadore | +55.9% | |
| 26 | Huetter | +55.3% | |
| 27 | Shoshone | +54.8% | |
| 28 | Mackay | +54.0% | |
| 29 | Hollister | +52.2% | |
| 30 | Drummond | +50.0% | |
| 31 | Yellow Pine | +50.0% | |
| 32 | Pinehurst | +49.6% | |
| 33 | Driggs | +47.1% | |
| 34 | Mud Lake | +46.2% | |
| 35 | Star | +45.2% | |
| 36 | Franklin | +41.7% | |
| 37 | Rexburg | +39.3% | |
| 38 | Moore | +39.3% | |
| 39 | Victor | +36.5% | |
| 40 | Cambridge | +35.5% | |
| 41 | Middleton | +33.7% | |
| 42 | Rockford | +33.2% | |
| 43 | Midvale | +32.9% | |
| 44 | Peck | +32.6% | |
| 45 | Ponderay | +32.6% | |
| 46 | Kuna | +32.6% | |
| 47 | Cascade | +31.3% | |
| 48 | Georgetown | +29.9% | |
| 49 | Hazelton | +29.3% | |
| 50 | Basalt | +29.0% | |
| 51 | Sugar City | +28.3% | |
| 52 | Rigby | +27.5% | |
| 53 | Ketchum | +27.2% | |
| 54 | Murtaugh | +27.0% | |
| 55 | Kimberly | +26.5% | |
| 56 | Post Falls | +25.6% | |
| 57 | Genesee | +24.8% | |
| 58 | New Plymouth | +24.8% | |
| 59 | Bloomington | +24.8% | |
| 60 | Tyhee | +23.7% | |
| 61 | Clayton | +23.1% | |
| 62 | Troy | +22.9% | |
| 63 | Meridian | +22.5% | |
| 64 | Paul | +22.3% | |
| 65 | Rathdrum | +22.3% | |
| 66 | Kooskia | +21.7% | |
| 67 | Fruitland | +21.7% | |
| 68 | Butte City | +21.3% | |
| 69 | Carey | +20.5% | |
| 70 | St. Charles | +20.0% | |
| 71 | Potlatch | +19.9% | |
| 72 | Wallace | +19.1% | |
| 73 | Eagle | +18.8% | |
| 74 | Lewisville | +18.4% | |
| 75 | Glenns Ferry | +17.7% | |
| 76 | Emmett | +17.4% | |
| 77 | Malad City | +17.3% | |
| 78 | Spencer | +16.7% | |
| 79 | Ammon | +16.6% | |
| 80 | Richfield | +16.5% | |
| 81 | Cottonwood | +16.5% | |
| 82 | Aberdeen | +15.8% | |
| 83 | Caldwell | +15.6% | |
| 84 | Greenleaf | +15.0% | |
| 85 | McCall | +14.9% | |
| 86 | Mountain Home | +14.8% | |
| 87 | Grand View | +14.6% | |
| 88 | Homedale | +14.3% | |
| 89 | Shelley | +14.1% | |
| 90 | Burley | +13.7% | |
| 91 | Hagerman | +13.4% | |
| 92 | Nampa | +13.1% | |
| 93 | Moreland | +12.5% | |
| 94 | Ferdinand | +12.3% | |
| 95 | Deary | +12.3% | |
| 96 | Hailey | +12.3% | |
| 97 | Hayden Lake | +12.1% | |
| 98 | McCammon | +11.8% | |
| 99 | Payette | +11.6% | |
| 100 | Heyburn | +10.8% |
Nationwide
1Other rankings in Idaho
20- Largest by population in Idaho
- Most densely populated in Idaho
- Highest median household income in Idaho
- Highest median home value in Idaho
- Most affordable home values in Idaho
- Highest median gross rent in Idaho
- Cheapest median gross rent in Idaho
- Oldest by median age in Idaho
- Youngest by median age in Idaho
- Most college-educated in Idaho
- Highest poverty rate in Idaho
- Lowest poverty rate in Idaho
- Highest homeownership rate in Idaho
- Lowest homeownership rate in Idaho
- Longest commutes in Idaho
- Shortest commutes in Idaho
- Largest households in Idaho
- Newest housing in Idaho
- Oldest housing in Idaho
- Fastest-shrinking (2019–2023) in Idaho