Census Charts Index > Washington

Washington Census Data: Age & Sex by County

Age and sex distributions for Washington counties are shown in this easy-to-read table and chart combination.

Scroll down for information about Reading the chart.

Source: U.S. Census Bureau 2000 Census.


Washington Census Data: Age & Sex by County
LocationPopulationAge %Median
Age
Males per 100 FemalesLocation
under 1818-2425-4445-6465 & overAll Ages18 & Over
United States

281,421,906

25.79.630.222.012.4

35.3

96.393.4United States
Washington

5,894,121

25.79.530.822.811.2

35.3

99.197.0Washington
Adams Co.16,42834.29.826.319.410.4

29.6

104.5102.1Adams Co.
Asotin Co.20,55125.58.126.124.016.3

38.8

91.186.3Asotin Co.
Benton Co.142,47529.78.628.522.910.3

34.4

98.796.3Benton Co.
Chelan Co.66,61628.08.327.222.713.9

36.3

99.196.8Chelan Co.
Clallam Co.64,52522.07.122.826.921.3

43.8

98.796.6Clallam Co.
Clark Co.345,23828.78.430.822.69.5

34.2

98.595.9Clark Co.
Columbia Co.4,06423.97.022.827.718.5

42.4

95.294.8Columbia Co.
Cowlitz Co.92,94826.88.327.524.113.3

36.9

98.295.8Cowlitz Co.
Douglas Co.32,60329.58.227.322.412.7

35.7

98.296.0Douglas Co.
Ferry Co.7,26026.97.623.429.512.6

40.0

107.7105.2Ferry Co.
Franklin Co.49,34734.610.928.117.98.5

28.0

109.1108.6Franklin Co.
Garfield Co.2,39725.95.421.925.920.9

43.0

97.993.8Garfield Co.
Grant Co.74,69832.09.827.019.711.5

31.1

104.5103.4Grant Co.
Grays Harbor Co.67,19425.77.926.025.015.4

38.8

98.896.2Grays Harbor Co.
Island Co.71,55825.58.528.023.714.3

37.0

100.497.9Island Co.
Jefferson Co.25,95319.85.021.632.521.1

47.1

95.894.4Jefferson Co.
King Co.1,737,03422.59.334.723.110.5

35.7

99.197.3King Co.
Kitsap Co.231,96926.89.229.623.810.6

35.8

102.7101.2Kitsap Co.
Kittitas Co.33,36220.621.624.621.611.6

31.4

98.797.2Kittitas Co.
Klickitat Co.19,16127.16.525.727.013.8

39.5

99.598.8Klickitat Co.
Lewis Co.68,60026.58.225.224.515.5

38.4

98.395.4Lewis Co.
Lincoln Co.10,18425.35.223.227.419.0

42.8

98.494.7Lincoln Co.
Mason Co.49,40523.57.726.525.816.5

40.3

107.0107.3Mason Co.
Okanogan Co.39,56427.77.325.525.514.0

38.2

99.298.0Okanogan Co.
Pacific Co.20,98421.46.021.228.922.6

45.8

98.395.8Pacific Co.
Pend Oreille Co.11,73226.35.523.829.514.9

41.9

100.599.6Pend Oreille Co.
Pierce Co.700,82027.29.831.321.510.2

34.1

98.996.7Pierce Co.
San Juan Co.14,07719.14.521.735.719.0

47.4

95.193.0San Juan Co.
Skagit Co.102,97926.38.626.923.614.6

37.2

98.095.7Skagit Co.
Skamania Co.9,87226.66.728.627.111.0

38.7

101.399.4Skamania Co.
LocationPopulationAge %Median
Age
Males per 100 FemalesLocation
under 1818-2425-4445-6465 & overAll Ages18 & Over
United States

281,421,906

25.79.630.222.012.4

35.3

96.393.4United States
Washington

5,894,121

25.79.530.822.811.2

35.3

99.197.0Washington
Snohomish Co.606,02427.48.533.022.09.1

34.7

100.198.2Snohomish Co.
Spokane Co.417,93925.710.628.922.412.4

35.4

96.493.6Spokane Co.
Stevens Co.40,06628.76.424.927.112.9

39.2

99.196.6Stevens Co.
Thurston Co.207,35525.39.329.324.611.4

36.5

96.092.7Thurston Co.
Wahkiakum Co.3,82423.45.322.230.618.5

44.4

100.198.1Wahkiakum Co.
Walla Walla Co.55,18024.613.426.520.814.8

34.9

103.8102.9Walla Walla Co.
Whatcom Co.166,81424.114.227.522.511.6

34.0

97.195.0Whatcom Co.
Whitman Co.40,74018.132.624.016.09.2

24.7

102.5101.9Whitman Co.
Yakima Co.222,58131.89.827.519.711.2

31.2

99.697.1Yakima Co.

Reading the Chart:

The entries under the Age % heading are percentages showing the age distribution. For example, the entry in the first row (United States) in the under 18 column is 25.7, meaning that 25.7% of the U.S. population is under 18 years of age. The Age% values add up to approximately 100%.

The length of the colored bars in each Age % table cell are in proportion to the value of the number in the cell. For example, the colored bar in the cell showing 25.7 is 25.7% as wide as the cell.

The length of the colored bars under the Males per 100 Females header are proportional to the value when converted to percentages. For example, 110 males per 100 females = 110 males per 210 people = 52.4%.

The numeric values under the Population header are totals. Here the colored bars represent percentages of the highest population of any county in the state. For example, the county with the highest population will have a colored bar that fills the cell. A county with half that many people will have a colored bar that fills half the cell. For small percentages the bar does not appear.

Abbreviations used in location names: Co.=County, C.A.=Census Area, Pa.=Parish, Mu.=Municipio.

Interested in Washington? Check out Washington Climate for data and charts about average weather, daylight, and global warming.

Please note that if you set your browser to display very large text sizes, the table cell sizes will change, and the lengths of the colored bars will not be accurate, although they will still show proportions.

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