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Demographics Table

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Demographic Data Report for Idaho by County
Population: Age 40 and over
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Count

County
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2023 Rural-Urban Continuum Codes Φ
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Value (Percent)
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People (Age 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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United States N/A 48.3 160,683,909 N/A
Idaho N/A 46.3 875,760 44 of 52
Ada County Urban 47.6 241,795 2,466
Canyon County Urban 43.1 104,382 2,883
Kootenai County Urban 51.3 91,128 1,696
Bonneville County Urban 40.8 51,888 2,994
Twin Falls County Urban 44.4 40,937 2,799
Bannock County Urban 43.6 38,585 2,852
Bonner County Rural 59.5 29,429 296
Nez Perce County Urban 51.2 21,761 1,733
Bingham County Rural 43.8 21,445 2,835
Latah County Rural 38.8 15,658 3,056
Blaine County Rural 55.9 13,738 666
Jefferson County Urban 40.1 12,918 3,020
Payette County Rural 48.9 12,801 2,240
Elmore County Rural 39.8 11,567 3,029
Gem County Urban 54.2 10,757 977
Jerome County Urban 43.0 10,658 2,889
Cassia County Rural 40.8 10,264 2,994
Idaho County Rural 59.0 10,106 327
Minidoka County Rural 43.8 9,611 2,835
Madison County Rural 17.5 9,352 3,142
Gooding County Rural 48.6 7,644 2,301
Shoshone County Rural 56.2 7,626 630
Valley County Rural 59.3 7,197 314
Fremont County Rural 49.9 6,843 2,023
Boundary County Rural 53.7 6,813 1,099
Franklin County Urban 41.6 6,116 2,955
Teton County Rural 49.6 5,997 2,089
Owyhee County Urban 48.1 5,908 2,398
Washington County Rural 53.7 5,831 1,099
Clearwater County Rural 63.8 5,695 100
Benewah County Rural 56.1 5,566 640
Boise County Urban 65.0 5,228 75
Lemhi County Rural 62.3 5,086 151
Power County Rural 42.9 3,442 2,898
Custer County Rural 76.8 3,386 4
Caribou County Rural 47.0 3,344 2,534
Bear Lake County Rural 50.3 3,296 1,935
Adams County Rural 64.6 2,969 84
Lincoln County Rural 44.8 2,364 2,773
Oneida County Rural 50.2 2,351 1,964
Lewis County Rural 59.6 2,176 288
Butte County Urban 48.5 1,288 2,317
Camas County Rural 43.2 499 2,879
Clark County Rural 40.6 315 3,004
Notes:
Created by statecancerprofiles.cancer.gov on 07/05/2025 9:58 pm.

Φ Rural-Urban Continuum Codes provided by the USDA.

Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40 and over, see the dictionary.

Data for United States does not include Puerto Rico.

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