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Douglas County, Colorado Demographics 2026

Douglas County, Colorado has a population of 377,150, the 6th most populous county in Colorado. The median household income is $149,594 and the median home value is $713,600. The poverty rate is 3.8%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Douglas County Quick Facts

Population 377,150
Median Household Income $149,594
Median Home Value $713,600
Poverty Rate 3.8%
Unemployment Rate 3.6%
Median Age 39.6 years
Homeownership Rate 77.4%
Affordability Ratio 4.8x
Bachelor's Degree+ 62.0%
High School Graduation 97.9%
Cities/Places 22
Population 377,150 6th of 64
Median Income $149,594 57% higher than state
Poverty Rate 3.8%
Unemployment 3.6%

How Douglas County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population368,283377,150+2.4%
Median household income$145,737$149,594+2.6%
Median home value$674,000$713,600+5.9%

Economy & Housing

Household Income Distribution

Under $25K 5.1%
$25K-$50K 7.1%
$50K-$100K 18.1%
$100K+ 69.7%
Detailed income brackets
Under $10K
2.2%
$10K-$15K
0.7%
$15K-$20K
1.1%
$20K-$25K
1.1%
$25K-$30K
1.1%
$30K-$35K
1.3%
$35K-$40K
1.6%
$40K-$45K
1.6%
$45K-$50K
1.5%
$50K-$60K
3.0%
$60K-$75K
5.4%
$75K-$100K
9.7%
$100K-$125K
10.7%
$125K-$150K
9.2%
$150K-$200K
16.6%
$200K+
33.2%

Employment

3.6% Unemployment Rate State: 4.6%|National: 5.2%
71.9% Labor Force Participation

Housing Overview

Owner 77.4%
Renter 22.6%
Affordability Index Moderate
4.8x home value to income ratio
Median gross rent $2,193/mo 17.6% of median household income annually

People & Demographics

Diversity Index

39out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 52 | National average: 61

Education

Cities & Places in Douglas County

CityPopulationMedian IncomePovertyHome Value
Highlands Ranch102,257$159,3072.9%$712,700
Castle Rock79,123$145,1973.8%$652,900
Parker61,783$133,3694.4%$646,300
Lone Tree14,147$123,7414.9%$874,100
Castle Pines13,388$191,2296.9%$895,500
The Pinery11,871$194,4461.0%$791,100
Roxborough Park9,085$173,0833.0%$678,800
Stonegate8,906$159,0863.2%$641,600
Meridian5,634$89,8778.8%$581,100
Castle Pines Village4,436$250,000+4.1%$1,453,400
Sterling Ranch4,213$206,7192.0%$802,000
Sierra Ridge3,663$158,1830.1%$862,500
Stepping Stone3,137$223,8390.0%$785,700
Meridian Village2,699$190,8339.6%$732,400
Acres Green2,639$142,3618.0%$580,900
Perry Park1,570$158,2143.3%$850,400
Grand View Estates567$180,6254.2%$901,000
Franktown472$250,000+0.0%$1,398,300
Louviers294$145,38021.4%$447,500
Westcreek237$104,7500.0%$553,200
Larkspur131$70,4177.8%$163,600
Sedalia37N/A0.0%N/A

Population Overview

Douglas County is located in Colorado with a total population of 377,150. It is the 6th most populous county out of 64 in Colorado. The county encompasses 22 Census-designated places.

Age Demographics

The median age in Douglas County is 39.6 years. This is 5% higher than the state median of 37.7 years.

Economy, Income & Housing

The median household income in Douglas County is $149,594. This is 57% higher than the state median of $95,470. It is also 85% higher than the national median of $80,734. The poverty rate stands at 3.8%. This is 60% lower than the state poverty rate of 9.4%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.6%. This is 23% lower than the state rate of 4.6%. The median home value is $713,600. Housing costs are 32% higher than the state median of $539,400. The home-value-to-income ratio is 4.8x. 77.4% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 66.2%.

Race & Ethnicity

The largest racial or ethnic group in Douglas County is White (non-Hispanic), making up 77.0% of the population. Hispanic or Latino residents account for 10.2%. The Black or African American population (1.3%) is well below the state average of 3.8%. The Hispanic or Latino population (10.2%) is well below the state average of 22.5%. The Asian population is significantly higher than the state average (5.8% vs 3.2%).

Education

62.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Douglas County in the top 10% of all counties in the state for educational attainment. This is 36% higher than the state rate of 45.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.9%. Notably, 22.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Douglas County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Colorado and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Douglas County, Colorado?

Douglas County has a population of 377,150, making it the 6th most populous county in Colorado.

What is the median income in Douglas County?

The median household income in Douglas County is $149,594 with a poverty rate of 3.8%.

How many cities are in Douglas County, Colorado?

Douglas County contains 22 Census-designated places.