Interpretation of Demographics Data
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
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 48.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 160,683,909.
- Rank within US : N/A
Idaho
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 46.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 875,760.
- Rank within US : This state is ranked 44 of 52
Ada County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 47.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 241,795.
- Rank within US : This county is ranked 2466 of 3143
Canyon County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 43.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 104,382.
- Rank within US : This county is ranked 2883 of 3143
Kootenai County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 51.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 91,128.
- Rank within US : This county is ranked 1696 of 3143
Bonneville County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 40.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 51,888.
- Rank within US : This county is ranked 2994 of 3143
Twin Falls County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 44.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 40,937.
- Rank within US : This county is ranked 2799 of 3143
Bannock County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 43.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 38,585.
- Rank within US : This county is ranked 2852 of 3143
Bonner County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 29,429.
- Rank within US : This county is ranked 296 of 3143
Nez Perce County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 51.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 21,761.
- Rank within US : This county is ranked 1733 of 3143
Bingham County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 43.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 21,445.
- Rank within US : This county is ranked 2835 of 3143
Latah County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 38.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 15,658.
- Rank within US : This county is ranked 3056 of 3143
Blaine County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 13,738.
- Rank within US : This county is ranked 666 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 40.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 12,918.
- Rank within US : This county is ranked 3020 of 3143
Payette County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 48.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 12,801.
- Rank within US : This county is ranked 2240 of 3143
Elmore County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 39.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 11,567.
- Rank within US : This county is ranked 3029 of 3143
Gem County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 54.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 10,757.
- Rank within US : This county is ranked 977 of 3143
Jerome County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 43.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 10,658.
- Rank within US : This county is ranked 2889 of 3143
Cassia County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 40.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 10,264.
- Rank within US : This county is ranked 2994 of 3143
Idaho County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 10,106.
- Rank within US : This county is ranked 327 of 3143
Minidoka County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 43.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 9,611.
- Rank within US : This county is ranked 2835 of 3143
Madison County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 9,352.
- Rank within US : This county is ranked 3142 of 3143
Gooding County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 48.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,644.
- Rank within US : This county is ranked 2301 of 3143
Shoshone County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,626.
- Rank within US : This county is ranked 630 of 3143
Valley County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,197.
- Rank within US : This county is ranked 314 of 3143
Fremont County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 49.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,843.
- Rank within US : This county is ranked 2023 of 3143
Boundary County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,813.
- Rank within US : This county is ranked 1099 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 41.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,116.
- Rank within US : This county is ranked 2955 of 3143
Teton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 49.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,997.
- Rank within US : This county is ranked 2089 of 3143
Owyhee County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,908.
- Rank within US : This county is ranked 2398 of 3143
Washington County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,831.
- Rank within US : This county is ranked 1099 of 3143
Clearwater County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 63.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,695.
- Rank within US : This county is ranked 100 of 3143
Benewah County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,566.
- Rank within US : This county is ranked 640 of 3143
Boise County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 65.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,228.
- Rank within US : This county is ranked 75 of 3143
Lemhi County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 62.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,086.
- Rank within US : This county is ranked 151 of 3143
Power County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 42.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,442.
- Rank within US : This county is ranked 2898 of 3143
Custer County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 76.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,386.
- Rank within US : This county is ranked 4 of 3143
Caribou County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 47.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,344.
- Rank within US : This county is ranked 2534 of 3143
Bear Lake County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 50.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,296.
- Rank within US : This county is ranked 1935 of 3143
Adams County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 64.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,969.
- Rank within US : This county is ranked 84 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 44.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,364.
- Rank within US : This county is ranked 2773 of 3143
Oneida County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 50.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,351.
- Rank within US : This county is ranked 1964 of 3143
Lewis County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,176.
- Rank within US : This county is ranked 288 of 3143
Butte County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,288.
- Rank within US : This county is ranked 2317 of 3143
Camas County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 43.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 499.
- Rank within US : This county is ranked 2879 of 3143
Clark County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 40.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 315.
- Rank within US : This county is ranked 3004 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 07/15/2025 4:56 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.