Interpretation of Demographics Data
Demographic Data Report for Washington by County
Population: Age 40 and over
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
Washington
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 47.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,714,629.
- Rank within US : This county is ranked 37 of 52
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 48.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 162,458,898.
- Rank within US : N/A
Whitman County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 32.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 15,221.
- Rank within US : This county is ranked 3129 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 37.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 36,619.
- Rank within US : This county is ranked 3098 of 3143
Adams County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 37.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,742.
- Rank within US : This county is ranked 3097 of 3143
Yakima 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 106,980.
- Rank within US : This county is ranked 2958 of 3143
Grant County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 42.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 42,837.
- Rank within US : This county is ranked 2941 of 3143
Benton County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 44.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 94,846.
- Rank within US : This county is ranked 2805 of 3143
Kittitas County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 45.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 21,392.
- Rank within US : This county is ranked 2747 of 3143
King County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 45.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,041,568.
- Rank within US : This county is ranked 2724 of 3143
Pierce County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 45.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 424,215.
- Rank within US : This county is ranked 2712 of 3143
Snohomish 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 401,720.
- Rank within US : This county is ranked 2472 of 3143
Whatcom County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 47.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 110,210.
- Rank within US : This county is ranked 2442 of 3143
Spokane County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 263,289.
- Rank within US : This county is ranked 2419 of 3143
Walla Walla County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 29,830.
- Rank within US : This county is ranked 2419 of 3143
Douglas 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 21,517.
- Rank within US : This county is ranked 2339 of 3143
Clark County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 251,973.
- Rank within US : This county is ranked 2309 of 3143
Thurston County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 50.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 149,699.
- Rank within US : This county is ranked 2012 of 3143
Kitsap County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 50.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 139,689.
- Rank within US : This county is ranked 1962 of 3143
Chelan County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 50.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 40,406.
- Rank within US : This county is ranked 1939 of 3143
Cowlitz County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 52.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 58,683.
- Rank within US : This county is ranked 1488 of 3143
Lewis County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 44,842.
- Rank within US : This county is ranked 1344 of 3143
Skagit County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 52.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 69,398.
- Rank within US : This county is ranked 1325 of 3143
Okanogan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 23,382.
- Rank within US : This county is ranked 1103 of 3143
Grays Harbor County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 42,604.
- Rank within US : This county is ranked 799 of 3143
Island County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 48,096.
- Rank within US : This county is ranked 781 of 3143
Mason County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 37,702.
- Rank within US : This county is ranked 766 of 3143
Asotin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 56.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 12,745.
- Rank within US : This county is ranked 595 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,512.
- Rank within US : This county is ranked 595 of 3143
Stevens County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 57.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 27,618.
- Rank within US : This county is ranked 497 of 3143
Klickitat County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 58.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 13,732.
- Rank within US : This county is ranked 372 of 3143
Garfield 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 1,395.
- Rank within US : This county is ranked 330 of 3143
Skamania County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 60.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,449.
- Rank within US : This county is ranked 258 of 3143
Pend Oreille County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 60.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 8,471.
- Rank within US : This county is ranked 248 of 3143
Columbia 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 2,499.
- Rank within US : This county is ranked 158 of 3143
Clallam County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 62.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 48,627.
- Rank within US : This county is ranked 151 of 3143
Wahkiakum County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 65.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,041.
- Rank within US : This county is ranked 68 of 3143
Ferry County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 65.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 4,837.
- Rank within US : This county is ranked 62 of 3143
Pacific County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 66.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 16,002.
- Rank within US : This county is ranked 50 of 3143
San Juan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 70.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 12,934.
- Rank within US : This county is ranked 21 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 72.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 24,307.
- Rank within US : This county is ranked 7 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 03/31/2026 8:37 am.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
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.