County · Colorado
Douglas County, Colorado
Douglas County, Colorado. Douglas County had 399,396 residents in 2025 by the Census Bureau's estimate, up 11.6% since 2020, faster than Colorado (+4.1%). It holds 24 places (7 cities, villages and boroughs and 17 census-designated) and 72 census tracts. GEOID 08035.
Douglas County is one of the 10 counties of the Denver-Aurora-Centennial, CO metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
399,396
Census Bureau estimate (no margin published)
2020 Census count: 357,978 · ACS 2020-2024: 377,150
Median household income
$149,594
±$2,519 (90% margin)
Colorado: $95,470
Median home value
$713,600
±$5,715 (90% margin)
Colorado: $539,400
Median gross rent
$2,193
±$33 (90% margin)
Colorado: $1,761
How many people live in Douglas County, and is it growing?
The 2020 Census counted 357,978 residents in Douglas County. The Census Bureau estimates 399,396 for July 1, 2025, up 11.6% since 2020, faster than Colorado (+4.1%). The 2020-2024 American Community Survey puts the population at 377,150 over 841 square miles of land.
| Measure | Douglas County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Total population | 377,150 | 5,862,189 | +41,109 |
| Households | 139,960±642 | 2,374,218 | +19,251 |
| Average household size | 2.69±0.01 | 2.42 | −0.09 |
| Housing units | 144,432±84 | 2,589,053 | +19,661 |
Douglas County's population since 2000
From 175,766 in 2000 to 399,396 in 2025: up 127.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Douglas County?
Douglas County holds 24 places: 7 cities, villages and boroughs (incorporated places) and 17 census-designated places. The largest is Highlands Ranch with 102,257 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Highlands Ranch | 103,444 | $159,307 |
|---|---|---|
| Castle Rock | 73,158 | $145,197 |
| Parker | 58,512 | $133,369 |
| Lone Tree | 14,253 | $123,741 |
| The Pinery | 11,311 | $194,446 |
| Castle Pines | 11,036 | $191,229 |
| Roxborough Park | 9,416 | $173,083 |
| Stonegate | 9,072 | $159,086 |
| Meridian | 4,786 | $89,877 |
| Castle Pines VillageGEOID 0812393 | 4,327 | $250,000 or more |
| Sierra Ridge | 3,490 | $158,183 |
| Meridian Village | 3,202 | $190,833 |
| Acres Green | 2,922 | $142,361 |
| Stepping StoneGEOID 0873925 | 2,780 | $223,839 |
| Aurora | 386,261 | $88,368 |
| Perry ParkGEOID 0858592 | 1,932 | $158,214 |
| Sterling Ranch | 1,789 | $206,719 |
| Grand View EstatesGEOID 0831935 | 689 | $180,625 |
| Littleton | 45,652 | $98,839 |
| FranktownGEOID 0828250 | 409 | $250,000 or more |
| LouviersGEOID 0846410 | 293 | $145,380 |
| LarkspurGEOID 0843550 | 206 | $70,417 |
| SedaliaGEOID 0868875 | 177 | not published |
| WestcreekGEOID 0883500 | 120 | $104,750 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Douglas County?
The median resident of Douglas County is 39.6 years old; 23.4% are under 18 and 13.9% are 65 or older. The largest group is non-Hispanic white residents at 77.0%, then Hispanic or Latino residents (of any race) at 10.2%. 8.4% of residents were born outside the United States.
| Measure | Douglas County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.6±0.2 | 37.7 | +0.9 |
| Under 18 years | 23.4%±0.1 pts | 21.0% | – |
| 65 years and over | 13.9%±0.1 pts | 15.6% | – |
| Hispanic or Latino (any race) | 10.2% | 22.5% | +1.5 pts |
| White alone, not Hispanic | 77.0%±0.3 pts | 64.8% | −5.2 pts |
| Black or African American alone, not Hispanic | 1.3%±0.1 pts | 3.8% | no clear change |
| Asian alone, not Hispanic | 5.8%±0.2 pts | 3.2% | +1.1 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.2%±0.1 pts | 0.4% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.9%±0.3 pts | 4.6% | – |
| Some other race alone, not Hispanic | 0.5%±0.1 pts | 0.5% | – |
| Born outside the United States | 8.4%±0.4 pts | 9.8% | +0.8 pts |
| Speak a language other than English at home (age 5+) | 10.4%±0.5 pts | 16.2% | – |
| Civilian veterans (age 18+) | 7.2%±0.4 pts | 7.5% | – |
| With a disability | 8.1%±0.4 pts | 11.4% | – |
| No health insurance coverage | 3.9%±0.5 pts | 7.7% | +1.1 pts |
| High school graduate or higher (age 25+) | 97.9%±0.3 pts | 92.9% | – |
| Bachelor's degree or higher (age 25+) | 62.0%±0.9 pts | 45.7% | +4.0 pts |
| Graduate or professional degree (age 25+) | 22.5%±0.9 pts | 17.6% | – |
| Moved from another state in the past year | 4.6%±0.5 pts | 3.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Douglas County earn?
Half of Douglas County's 139,960 households earn less than $149,594 a year (±$2,519), against $95,470 in Colorado. In 2015-2019 it was $147,351 in 2024 dollars; the margins of error cannot tell the two periods apart. 3.8% of residents live below the poverty line.
| Measure | Douglas County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $149,594±$2,519 | $95,470 | no clear change |
| Mean household income | $183,544±$3,068 | $128,255 | – |
| Per capita income | $69,608±$1,168 | $52,636 | +$3,996 |
| People below the poverty line | 3.8%±0.4 pts | 9.4% | +0.7 pts |
| Children under 18 below the poverty line | 3.0%±0.7 pts | 11.1% | no clear change |
| Households receiving SNAP | 2.1%±0.3 pts | 8.5% | – |
| Households with a broadband subscription | 97.9%±0.3 pts | 93.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Douglas County?
Owners occupy 77.4% of Douglas County's occupied homes and renters 22.6%. The median owner-occupied home is valued at $713,600 by its owner (±$5,715). The median renter pays $2,193 a month including utilities, and 41.2% of renters pay 35% or more of their income on rent.
| Measure | Douglas County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $713,600±$5,715 | $539,400 | +$136,774 |
| Median gross rent | $2,193±$33 | $1,761 | +$70 |
| Renters paying 35% or more of income on rent | 41.2%±2.5 pts | 42.7% | +7.9 pts |
| Median monthly owner costs, with a mortgage | $2,893±$26 | $2,326 | – |
| Owner-occupied homes | 77.4%±0.8 pts | 66.2% | −1.6 pts |
| Housing units | 144,432±84 | 2,589,053 | +19,661 |
| Homeowner vacancy rate | 0.5%±0.2 pts | 0.8% | – |
| Rental vacancy rate | 4.4%±1.2 pts | 5.1% | – |
| Single-family detached homes | 73.4%±0.7 pts | 61.4% | – |
| Mobile homes | 0.3%±0.1 pts | 3.5% | – |
| Built 2020 or later | 6.0%±0.4 pts | 3.0% | – |
| Built 1939 or earlier | 0.5%±0.1 pts | 7.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Douglas County building?
Builders took permits for 2,398 new housing units across Douglas County in 2025 (1,465 single-family), 6.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Douglas County get to work?
61.9% of Douglas County's workers drive alone and 30.5% work from home. The average trip to work takes 27.1 minutes. The unemployment rate in 2020-2024 averaged 3.6%.
| Measure | Douglas County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 71.9%±0.6 pts | 68.6% | – |
| Unemployment rate | 3.6%±0.4 pts | 4.6% | +0.7 pts |
| Drove alone to work | 61.9%±1.1 pts | 65.1% | – |
| Carpooled | 4.9%±0.4 pts | 7.7% | – |
| Public transportation | 0.6%±0.1 pts | 1.6% | – |
| Walked | 1.2%±0.2 pts | 2.5% | – |
| Worked from home | 30.5%±1.0 pts | 21.0% | +18.1 pts |
| Mean travel time to work | 27.1 min±0.5 | 25.2 min | −0.7 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Douglas County's census tracts?
Douglas County is divided into 72 census tracts. Among those with a reliable estimate, median household income runs from $79,167 (Tract 140.07) to $250,000 or more (Tract 141.42).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Douglas County compare with Colorado's other counties?
| Measure | Rank |
|---|---|
| Population | 6th of 64 |
| Growth 2020-2025 | 5th of 64 |
| Residents per square mile | 7th of 64 |
| Median household income | 1st of 64 |
| Median home value | 8th of 64 |
| Median gross rent | 1st of 63 |
| Poverty rate | 63rd of 63 |
| Bachelor's degree or higher | 5th of 64 |
| Median age | 45th of 64 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Douglas County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.