Douglas County, Colorado Population 2021

Douglas County, Colorado's estimated population is 367,484 with a growth rate of 2.27% in the past year according to the most recent United States census data. Douglas County, Colorado is the 8th largest county in Colorado. The 2010 Population was 286,977 and has seen a growth of 28.05% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021367,4848,1652.27%
2020359,3198,1652.33%
2019351,1548,1652.38%
2018342,9897,1732.14%
2017335,8167,5972.31%
2016328,2196,1941.92%
2015322,0257,4802.38%
2014314,5458,3112.71%
2013306,2347,5262.52%
2012298,7086,1602.11%
2011292,5485,5711.94%
2010286,977226,586375.20%
199060,39135,238140.09%
198025,15316,746199.19%
19708,4073,59174.56%
19604,8161,30937.33%
19503,507110.31%
19403,496-2-0.06%
19303,498-19-0.54%
19203,51732510.18%
19103,192722.31%
19003,1201143.79%
18903,00652020.92%
18802,4861,09879.11%
18701,3880.00%
2021 Growth Rate
2.27%
County Website
Founded
November 1, 1861
County Seat
2010 Population
286,977
Growth Since 2010
28.05%
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Douglas County, Colorado Population Growth

Population by Race

Race Population Percentage
White298,66588.88%
Asian16,0794.78%
Two or More Races9,9582.96%
Some Other Race4,9231.46%
Black or African American4,8741.45%
American Indian and Alaska Native1,2700.38%
Native Hawaiian and Other Pacific Islander2720.08%
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Douglas County, Colorado Population by Race

Douglas County, Colorado Population Pyramid $2021

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Douglas County, Colorado Median Age

38.7


Total

37.9


Male

39.4


Female

Douglas County, Colorado Adults

There are 246,806 adults, (38,417 of whom are seniors) in Douglas County, Colorado.

Douglas County, Colorado Age Dependency

61.3

Age Dependency Ratio

18.4

Old Age Dependency Ratio

42.8

Child Dependency Ratio

Douglas County, Colorado Sex Ratio

Female

168,312

50.09%

Male

167,729

49.91%

Douglas County, Colorado Population by Age

Douglas County, Colorado Renter vs Owner Occupied by Household Type

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Douglas County, Colorado Household Types

Type Owner Renter
Married88.1%11.9%
All79%21%
Male65%35%
Female64%36%
Non Family58.4%41.6%

79.0%

Rate of Home Ownership

Douglas County, Colorado Households and Families

Type Count Average Size Owned
All120,7092.7879
Married81,1323.2488.1
Non Family27,0761.2658.4
Female7,9543.0764
Male4,5473.0965

3.16

Average Family Size

2.78

Average Household Size

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Douglas County, Colorado Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,4160.64%
9th to 12th Grade2,7421.24%
High School Graduate26,71212.04%
Some College43,91219.79%
Associates Degree18,3528.27%
Bachelors Degree82,51037.19%
Graduate Degree46,19520.82%
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Douglas County, Colorado Educational Attainment by Sex (over 25)

Douglas County, Colorado Educational Attainment by Race

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Race Total High School Bachelors
White186,575184,162109,427
Hispanic16,85315,8617,275
Asian11,07910,6258,145
2+ Races3,7363,6771,930
Other Race3,4963,2951,436
Black3,1542,9401,595
Native American873792261
Islander19218355

The highest rate of high school graduation is among white people with a rate of 98.71%.

The highest rate of bachelors degrees is among asian people with a rate of 73.52%.

Douglas County, Colorado Educational Attainment by Race

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Name Average Male Female
Overall$65,613$86,197$48,849
Less Than 9th Grade$35,159$39,980$21,417
High School Graduate$42,899$52,903$35,871
Some College$51,584$64,515$38,615
Bachelors Degree$76,631$100,695$53,303
Graduate Degree$90,425$112,411$69,075

$65,613

Average Earnings

$86,197

Average Male

$48,849

Average Female

Douglas County, Colorado Earnings by Educational Attainment

Douglas County, Colorado Language by Age

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Douglas County, Colorado Language

90.47% of Douglas County, Colorado residents speak only English, while 9.53% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.65% of the population.

Douglas County, Colorado Language

Douglas County, Colorado Poverty by Race

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Name Total In Poverty Poverty Rate
White275,4827,5182.73%
Hispanic28,8361,4495.02%
Asian16,0485723.56%
Black4,8094459.25%
Multiple9,9053333.36%
Other4,8042094.35%
Native1,168635.39%
Islander27220.74%

3.07%

Overall Poverty Rate

2.71%

Male Poverty Rate

3.43%

Female Poverty Rate

Poverty in Douglas County, Colorado

The race most likely to be in poverty in Douglas County, Colorado is Black, with 9.25% below the poverty level.

The race least likely to be in poverty in Douglas County, Colorado is Islander, with 0.74% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.79%. Among those working part-time, it was 4.77%, and for those that did not work, the poverty rate was 6.68%.

Douglas County, Colorado Poverty

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Name Poverty
Less Than 9th Grade11.05%
High School5.03%
Some College2.88%
Bachelors or Greater2.14%

Douglas County, Colorado Poverty Rate by Education

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Rate Poverty
Female Unemployed11.13%
Male Unemployed9.79%
Female Employed2.08%
Male Employed1.72%

Douglas County, Colorado Poverty Rate by Employment Status and Sex

Douglas County, Colorado Income by Household Type

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Name Median Mean
Households$119,730$147,010
Families$134,931$164,047
Married Families$143,235$174,218
Non Families$62,241$81,965
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Income by Household Type

Douglas County, Colorado Marital Status

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Marriage Rates

64.0%

Overall Marriage Rate

65.3%

Male Marriage Rate

62.7%

Female Marriage Rate

Douglas County, Colorado Married by Age and Sex

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Douglas County, Colorado Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Douglas County, Colorado Marital Status by Race

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Douglas County, Colorado Marital Status

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20,172

Number of Veterans

18,047

Male Veterans

2,125

Female Veterans

War Veterans
First Gulf War6,927
Vietnam5,793
Second Gulf War5,198
Korea1,101
World War II441

Douglas County, Colorado Veterans by War

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Age Group Veterans
35 to 547,182
65 to 744,357
55 to 643,388
75+3,291
18 to 341,954

Douglas County, Colorado Veterans by Age

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Name Veterans % of Total
White18,6398.44%
Hispanic1,0855.45%
Black53314.82%
2+ Races4759.69%
Asian2141.77%
Other Race1804.69%
Native American10311.09%
Islander2812.73%

Douglas County, Colorado Veterans by Race

Douglas County, Colorado Veterans by Education

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1.44%

Veteran Poverty Rate

20.06%

Veteran Disability Rate

Douglas County, Colorado Veterans by Education

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73%

Labor Force Participation

70.7%

Employment Rate

2.9%

Unemployment Rate

Douglas County, Colorado Employment by Age

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Douglas County, Colorado Employment by Race

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Douglas County, Colorado Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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37.15%

Born in Douglas County, Colorado

92.36%

Native Born

7.64%

Foreign Born

3.42%

Non Citizen

4.21%

Naturalized

Place of Birth

92.36% of Douglas County, Colorado residents were born in the United States, with 37.15% having been born in Colorado. 3.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Douglas County, Colorado Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources