Checked
Douglas County, CO
22 cities and towns and 14 ZIP codes in Douglas County, Colorado.
Population
377,150
Land area
841sq mi
People per sq mi
449
ZIP codes
14
Cities and towns in Douglas County
Douglas County at a glance
- Douglas County is about 7.9 times as dense as Colorado as a whole.
- By population, it ranks 6th among 64 counties in Colorado.
- The median household income is $149,594, 57% above the Colorado median of $95,470.
- A typical owner-occupied home is valued at $713,600 (32% above Colorado) and median rent is $2,193 a month.
- Its largest cities are Highlands Ranch (102,257), Castle Rock (79,123) and Parker (61,783).
Local data for Douglas County, CO
Counts from official public data
- Hospitals6
- Emergency Rooms4
- Nursing Homes7
- Schools105
- Colleges2
- Libraries7
- Banks69
- Post Offices15
- Parks181
- Grocery Stores76
- Restaurants793
- Affordable Housing2
- Home Health Agencies5
- Hospice Care1
- Dialysis Centers6
- Rehab & Long-Term Care Hospitals1
- Mental Health & Addiction Treatment9
- Private Schools14
- Community Colleges & Trade Schools1
- Toxic Release Facilities11
- Historic Places17
Housing and community stats
Douglas County, CO, American Community Survey 2020-2024
Median household income
$149,594
Poverty rate
3.8%
Median home value
$713,600
Prices +1.7% in a year
Median rent
$2,193/mo
Homeownership
77.4%
Bachelor's or higher
62.0%
Median age
39.6
Average commute
27.1 min
Largest reported origins and ancestries: German Americans (79,969), Irish Americans (49,813), Italian Americans (22,850).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.2%
Aug 2026, +0.6 pts in a year
Average annual pay
$88,811
149,592 jobs, 2025
Income per person
$107,204
BEA, 2024
Federal spending
$4.39B
FY 2026, $12,267 per person
PPP loans
$621M
10,319 loans, 71,261 jobs reported
Campaign donations
$4.47M
Itemized, 2026 cycle
How people get to work
Douglas County, CO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone61.9%
- Carpooled4.9%
- Public transit0.6%
- Walked1.2%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other0.9%
- Worked from home30.5%
Average one-way commute: 27.1 minutes for people who do not work from home.
Environment and hazard risk
Douglas County, CO, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: lightning
Storm events since 1996
1,440
Most often hail
Flood insurance policies
311
0.3% of homes, county
July high / Jan low
86° / 18°F
17.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone17 historic places
Health statistics
Share of adults in Douglas County, CO, CDC PLACES estimates
Obesity
25.3%
U.S. 33.3% -8.0 pts
Diabetes
6.8%
U.S. 12.1% -5.3 pts
Smoking
7.8%
U.S. 12.8% -5.0 pts
Uninsured (18-64)
6.3%
U.S. 11.1% -4.8 pts
Cities, towns and ZIP codes in Douglas County
Population shown
- Highlands Ranch102,257
- Castle Rock79,123
- Parker61,783
- Lone Tree14,147
- Castle Pines13,388
- The Pinery11,871
- Roxborough Park9,085
- Stonegate8,906
- Meridian5,634
- Castle Pines Village4,436
- Sterling Ranch4,213
- Sierra Ridge3,663
- Stepping Stone3,137
- Meridian Village2,699
- Acres Green2,639
- Perry Park1,570
- Grand View Estates567
- Franktown472
- Louviers294
- Westcreek237
- Larkspur131
- Sedalia37
Frequently asked questions
- What is the largest city in Douglas County, CO?
- Highlands Ranch is the largest city or town in Douglas County, with about 102,257 residents.
- How many ZIP codes are in Douglas County?
- Douglas County includes 14 ZIP Code Tabulation Areas, including 80104, 80108, 80109, 80116, 80118.
- What is the population of Douglas County, CO?
- About 377,150 people live in Douglas County, based on American Community Survey 5-year estimates.
- What counties border Douglas County?
- Douglas County borders El Paso County, Arapahoe County, Jefferson County, Elbert County, Teller County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023