Census Charts Index > Colorado

Colorado Census Data: Age & Sex by County

Age and sex distributions for Colorado 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.


Colorado 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
Colorado

4,301,261

25.610.032.622.29.7

34.3

101.4100.0Colorado
Adams Co.363,85728.610.334.019.47.8

31.4

102.8102.1Adams Co.
Alamosa Co.14,96627.215.926.720.69.6

30.6

99.095.3Alamosa Co.
Arapahoe Co.487,96726.78.633.123.08.6

34.5

97.194.2Arapahoe Co.
Archuleta Co.9,89825.36.326.130.411.9

40.8

102.799.5Archuleta Co.
Baca Co.4,51724.55.922.724.522.4

42.9

99.095.5Baca Co.
Bent Co.5,99823.89.329.221.815.9

37.3

129.0138.7Bent Co.
Boulder Co.291,28822.913.433.622.37.8

33.4

102.2101.7Boulder Co.
Chaffee Co.16,24219.77.728.027.517.0

41.8

113.6116.2Chaffee Co.
Cheyenne Co.2,23128.87.126.221.316.6

37.9

100.698.4Cheyenne Co.
Clear Creek Co.9,32222.65.632.632.27.1

40.2

108.8110.2Clear Creek Co.
Conejos Co.8,40032.18.523.620.815.0

34.2

98.598.1Conejos Co.
Costilla Co.3,66325.06.623.328.316.8

42.1

99.896.2Costilla Co.
Crowley Co.5,51818.89.939.620.810.8

36.6

205.4240.9Crowley Co.
Custer Co.3,50322.54.523.335.014.8

44.9

104.3102.0Custer Co.
Delta Co.27,83424.06.323.626.519.7

42.3

100.898.6Delta Co.
Denver Co.554,63622.010.736.120.011.3

33.1

102.1101.1Denver Co.
Dolores Co.1,84421.96.826.327.817.1

42.4

107.2104.5Dolores Co.
Douglas Co.175,76631.64.837.921.64.2

33.7

99.797.4Douglas Co.
Eagle Co.41,65923.511.442.120.03.0

31.2

121.0125.8Eagle Co.
Elbert Co.19,87230.25.532.825.56.0

37.2

100.699.9Elbert Co.
El Paso Co.516,92927.610.532.520.78.7

33.0

100.998.8El Paso Co.
Fremont Co.46,14520.67.533.424.014.6

38.8

133.9143.5Fremont Co.
Garfield Co.43,79127.19.033.022.18.8

34.2

105.6105.0Garfield Co.
Gilpin Co.4,75721.15.837.430.05.7

38.3

112.7116.1Gilpin Co.
Grand Co.12,44221.89.034.726.87.8

36.9

112.7115.7Grand Co.
Gunnison Co.13,95617.921.132.921.26.9

30.4

118.3120.9Gunnison Co.
Hinsdale Co.79019.54.729.534.711.6

43.9

105.7109.9Hinsdale Co.
Huerfano Co.7,86220.97.327.427.417.0

41.7

118.8122.8Huerfano Co.
Jackson Co.1,57725.65.426.929.113.1

40.5

101.4107.8Jackson Co.
Jefferson Co.527,05625.38.132.124.99.6

36.8

99.096.8Jefferson 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
Colorado

4,301,261

25.610.032.622.29.7

34.3

101.4100.0Colorado
Kiowa Co.1,62225.97.324.724.617.6

39.7

100.097.4Kiowa Co.
Kit Carson Co.8,01126.77.529.022.214.6

37.4

112.2112.1Kit Carson Co.
Lake Co.7,81226.912.833.120.66.6

30.5

115.8116.7Lake Co.
La Plata Co.43,94122.713.929.025.19.4

35.6

103.6103.1La Plata Co.
Larimer Co.251,49423.814.230.721.89.6

33.2

99.998.2Larimer Co.
Las Animas Co.15,20724.27.924.025.918.0

40.9

95.893.7Las Animas Co.
Lincoln Co.6,08723.97.133.021.814.3

37.8

130.9140.7Lincoln Co.
Logan Co.20,50424.710.828.321.714.5

36.5

112.0114.6Logan Co.
Mesa Co.116,25525.09.426.723.715.2

38.1

96.093.2Mesa Co.
Mineral Co.83120.54.724.832.717.3

45.0

104.299.1Mineral Co.
Moffat Co.13,18428.58.629.923.89.4

35.4

107.7106.2Moffat Co.
Montezuma Co.23,83027.57.126.325.313.8

38.0

96.792.2Montezuma Co.
Montrose Co.33,43226.87.225.825.015.2

38.8

97.094.0Montrose Co.
Morgan Co.27,17130.48.528.219.813.0

33.5

100.498.3Morgan Co.
Otero Co.20,31126.98.924.423.416.5

37.7

95.691.5Otero Co.
Ouray Co.3,74222.54.127.234.112.2

43.4

102.1100.8Ouray Co.
Park Co.14,52323.55.133.430.67.3

40.0

107.1107.6Park Co.
Phillips Co.4,48026.96.325.322.219.4

39.8

93.490.5Phillips Co.
Pitkin Co.14,87216.77.738.330.56.8

38.4

115.1117.4Pitkin Co.
Prowers Co.14,48330.010.726.520.212.6

32.4

101.098.7Prowers Co.
Pueblo Co.141,47225.89.427.222.415.2

36.7

95.892.5Pueblo Co.
Rio Blanco Co.5,98626.59.227.525.611.2

37.5

101.9101.6Rio Blanco Co.
Rio Grande Co.12,41328.18.025.323.914.7

37.3

97.194.4Rio Grande Co.
Routt Co.19,69022.610.136.525.75.0

35.0

116.6119.4Routt Co.
Saguache Co.5,91728.47.926.026.910.8

36.9

101.799.7Saguache Co.
San Juan Co.55820.14.328.140.57.0

43.7

110.6112.4San Juan Co.
San Miguel Co.6,59417.69.943.325.83.4

34.2

120.8126.4San Miguel Co.
Sedgwick Co.2,74722.86.623.525.022.1

43.2

100.197.2Sedgwick Co.
Summit Co.23,54817.415.744.319.43.3

30.8

139.0144.9Summit Co.
Teller Co.20,55525.95.631.229.87.5

39.4

102.7100.9Teller 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
Colorado

4,301,261

25.610.032.622.29.7

34.3

101.4100.0Colorado
Washington Co.4,92626.56.324.824.218.2

40.2

103.4100.1Washington Co.
Weld Co.180,93628.213.229.720.09.0

30.9

100.698.0Weld Co.
Yuma Co.9,84128.37.126.022.316.3

37.3

96.894.9Yuma 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 Colorado? Check out Colorado 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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