Fastest Growing Counties in Idaho (2024)

Fastest growing counties in Idaho.

44 Rows

County
Rank
Change (2020)
2024 Pop.
2020 Pop.
Camas County119.46%1,2951,084
Boundary County214.03%13,84212,139
Canyon County313.49%264,456233,013
Adams County413.26%5,0154,428
Bonner County513.26%53,68747,403
Boise County613.18%8,6747,664
Oneida County713.14%5,1664,566
Jefferson County812.81%35,06031,080
Gem County912.54%21,68819,272
Washington County1010.84%11,70310,558
Franklin County1110.75%15,81814,282
Idaho County129.33%18,14316,594
Benewah County139.1%10,4479,576
Butte County149.06%2,8182,584
Valley County158.41%12,83811,842
Kootenai County168.07%186,730172,785
Lemhi County177.99%8,5987,962
Payette County187.97%27,62925,590
Lincoln County197.42%5,5155,134
Clearwater County207.35%9,3938,750
Teton County217.19%12,57911,735
Fremont County227.12%14,37513,419
Shoshone County236.96%14,11713,199
Bear Lake County246.83%6,8026,367
Bonneville County256.78%133,189124,737
Twin Falls County266.77%96,49190,372
Owyhee County276.69%12,79911,996
Ada County286.43%530,342498,278
Lewis County296.41%3,7533,527
Power County306.23%8,3707,879
Custer County316.02%4,5284,271
Jerome County325.95%25,71424,270
Bingham County335.66%50,81748,097
Latah County345.15%41,67839,638
Minidoka County355%22,75221,668
Elmore County364.84%30,05728,669
Bannock County374.47%91,17587,276
Cassia County383.99%25,74824,760
Gooding County393.8%16,24315,649
Blaine County403.42%25,18124,348
Caribou County413.21%7,2387,013
Madison County422.28%54,13652,928
Nez Perce County432.18%43,06542,145
Clark County440%792792

Fastest Growing Counties in Idaho (2024)