Douglas County, Colorado Population 2024

391,875

Douglas County, Colorado's estimated 2024 population is 391,875 with a growth rate of 2.08% in the past year according to the most recent United States census data. Douglas County, Colorado is the 6th largest county in Colorado. The 2010 population was 287,011 and has seen a growth of 36.54% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029431,7207,9691.88%
2028423,7517,9691.92%
2027415,7827,9691.95%
2026407,8137,9691.99%
2025399,8447,9692.03%
2024391,8757,9692.08%
2023383,9067,9692.12%
2022375,9376,1541.66%
2021369,7839,4602.63%
2020360,3238,4812.41%
2019351,8428,0622.35%
2018343,7807,4332.21%
2017336,3477,6672.33%
2016328,6806,3471.97%
2015322,3337,5502.4%
2014314,7838,3762.73%
2013306,4077,5812.54%
2012298,8266,2002.12%
2011292,6265,6151.96%
2010287,01100%
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%
18701,388-430,332-99.68%
2024 Growth Rate
2.08% (7,969)
County Website
Douglas County
County Seat
Castle Rock
2020 Population
360,323
Area
841 mi²
Density
466 people/mi²
Growth Since 2020
8.76% (31,552)
Founded
November 1, 1861

Population by Race

Race
Population
Percentage (of total)
White302,85184.08%
Two or more races24,5436.81%
Asian19,2965.36%
Other race6,6541.85%
Black or African American5,2721.46%
Native American1,3450.37%
Native Hawaiian or Pacific Islander2450.07%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Douglas County, Colorado Population by Race

Douglas County, Colorado Population Pyramid 2024

Douglas County, Colorado Median Age

39.3

Total

38.5

Male

40

Female

Douglas County, Colorado Adults

There are 272,133 adults, (46,602 of whom are seniors) in Douglas County, Colorado.

Douglas County, Colorado Age Dependency

59.7

Age Dependency Ratio

20.7

Old Age Dependency Ratio

39.1

Child Dependency Ratio

Douglas County, Colorado Sex Ratio

Female178,60649.58%
Male181,60050.42%

Douglas County, Colorado Population by Age

Douglas County, Colorado Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All131,9712.727822
Married86,2273.1988.211.8
Non Family32,1071.2856.343.7
Female8,3893.076337
Male5,2483.266.533.5

3.13

Average Family Size

2.72

Average Household Size

78.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Douglas County, Colorado Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,8671.18%
Associates Degree19,0527.84%
Bachelors Degree94,15838.73%
Graduate Degree51,72121.27%
High School Graduate29,10211.97%
Less Than 9th Grade2,2560.93%
Some College43,95718.08%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Douglas County, Colorado Educational Attainment by Sex (over 25)

Douglas County, Colorado Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White198,202195,741121,938
Hispanic20,30818,7118,629
Asian13,48312,6569,575
2+ Races12,65211,9766,455
Other Race4,2883,8061,333
Black3,5953,4741,646
Native American1,041976355
Islander18418472

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 71.02%.

Douglas County, Colorado Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$88,724$113,757$65,978
Graduate Degree$101,710$133,167$78,937
High School Graduate$49,250$62,415$42,191
Less Than 9th Grade$36,126$43,202$31,027
Overall$77,089$97,585$57,813
Some College$57,766$72,874$46,846

$77,089

Average Earnings

$97,585

Average Male

$57,813

Average Female

Douglas County, Colorado Earnings by Educational Attainment

Douglas County, Colorado Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Douglas County, Colorado Language

90.41% of Douglas County, Colorado residents speak only English, while 9.59% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.72% of the population.

Douglas County, Colorado Language

Douglas County, Colorado Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White284,9038,2832.91%
Hispanic33,9131,2603.72%
Multiple24,3975652.32%
Other6,5274757.28%
Black5,1914608.86%
Asian19,2844292.22%
Native1,3291279.56%

3.01%

Overall Poverty Rate

2.44%

Male Poverty Rate

3.58%

Female Poverty Rate

Poverty in Douglas County, Colorado

The race most likely to be in poverty in Douglas County, Colorado is Native, with 9.56% below the poverty level.

The race least likely to be in poverty in Douglas County, Colorado is Asian, with 2.22% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.7%. Among those working part-time, it was 4.92%, and for those that did not work, the poverty rate was 7.28%.

Douglas County, Colorado Poverty

rate

Rate
Poverty
Less Than 9th Grade8.25%
High School4.64%
Some College3.56%
Bachelors or Greater2.31%

Douglas County, Colorado Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed11%
Male Unemployed5.79%
Female Employed1.97%
Male Employed1.5%

Douglas County, Colorado Poverty Rate by Employment Status and Sex

Douglas County, Colorado Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$158,102$190,480
Households$139,010$169,322
Married Families$168,226$202,956
Non Families$74,199$97,046

mean

median

Income by Household Type

Douglas County, Colorado Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

61.8%

Overall Marriage Rate

63.2%

Male Marriage Rate

60.5%

Female Marriage Rate

Douglas County, Colorado Married by Age and Sex

male

female

Douglas County, Colorado Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Douglas County, Colorado Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Douglas County, Colorado Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

20,712

Number of Veterans

18,185

Male Veterans

2,527

Female Veterans

War
Veterans
First Gulf War7,446
Second Gulf War6,621
Vietnam5,793
Korea877
World War II235

Douglas County, Colorado Veterans by War

count

Age Group
Veterans
35 to 547,060
65 to 744,037
55 to 643,911
75+3,846
18 to 341,858

Douglas County, Colorado Veterans by Age

count

Name
Veterans
% of Total
White18,1697.87%
Hispanic1,6026.74%
2+ Races1,0436.94%
Black58713.71%
Asian4453.01%
Other Race3847.89%
Native American615.34%
Islander2310.85%

Douglas County, Colorado Veterans by Race

Douglas County, Colorado Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.42%

Veteran Poverty Rate

20.6%

Veteran Disability Rate

Douglas County, Colorado Veterans by Education

LaborForceParticipation

72.3%

Labor Force Participation

69.4%

Employment Rate

3.4%

Unemployment Rate

Douglas County, Colorado Employment by Age

LaborForceParticipation

Douglas County, Colorado Employment by Race

LaborForceParticipation

Douglas County, Colorado Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

36.73%

Born in Douglas County, Colorado

92.06%

Native Born

7.94%

Foreign Born

3.37%

Non Citizen

4.58%

Naturalized

Place of Birth

92.06% of Douglas County, Colorado residents were born in the United States, with 36.73% having been born in Colorado. 3.37% 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

Sources