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
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.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 368,283 | 377,150 | +2.4% |
| Median household income | $145,737 | $149,594 | +2.6% |
| Median home value | $674,000 | $713,600 | +5.9% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 52 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Douglas County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Highlands Ranch | 102,257 | $159,307 | 2.9% | $712,700 |
| Castle Rock | 79,123 | $145,197 | 3.8% | $652,900 |
| Parker | 61,783 | $133,369 | 4.4% | $646,300 |
| Lone Tree | 14,147 | $123,741 | 4.9% | $874,100 |
| Castle Pines | 13,388 | $191,229 | 6.9% | $895,500 |
| The Pinery | 11,871 | $194,446 | 1.0% | $791,100 |
| Roxborough Park | 9,085 | $173,083 | 3.0% | $678,800 |
| Stonegate | 8,906 | $159,086 | 3.2% | $641,600 |
| Meridian | 5,634 | $89,877 | 8.8% | $581,100 |
| Castle Pines Village | 4,436 | $250,000+ | 4.1% | $1,453,400 |
| Sterling Ranch | 4,213 | $206,719 | 2.0% | $802,000 |
| Sierra Ridge | 3,663 | $158,183 | 0.1% | $862,500 |
| Stepping Stone | 3,137 | $223,839 | 0.0% | $785,700 |
| Meridian Village | 2,699 | $190,833 | 9.6% | $732,400 |
| Acres Green | 2,639 | $142,361 | 8.0% | $580,900 |
| Perry Park | 1,570 | $158,214 | 3.3% | $850,400 |
| Grand View Estates | 567 | $180,625 | 4.2% | $901,000 |
| Franktown | 472 | $250,000+ | 0.0% | $1,398,300 |
| Louviers | 294 | $145,380 | 21.4% | $447,500 |
| Westcreek | 237 | $104,750 | 0.0% | $553,200 |
| Larkspur | 131 | $70,417 | 7.8% | $163,600 |
| Sedalia | 37 | N/A | 0.0% | N/A |
Explore Colorado Rankings
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.