Douglas County GIS Maps

Douglas County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Douglas County Parcels

Douglas County has 164,813 mapped parcels. The median assessed value is $656,985. The median lot size is 0.18 acres. 6,194 parcels are 10 acres or larger. Residential accounts for 79.5% of parcels. Exempt follows at 7.0% and vacant land at 6.5%. The records carry 129,225 distinct owner names. About 4% of parcels list an owner mailing address outside Colorado. Owner names, mailing addresses, assessed values and lot sizes are on nearly every parcel. Site addresses reach 88.0%. Browse the interactive Douglas County Parcel viewer here.

Douglas County Parcel Data Coverage

Field coverage measured across all Douglas County parcel records. Download free sample data here.

Douglas County Population

Douglas County had 357,978 residents in 2020. That was 25.4% higher than in 2010. Douglas County added 182,212 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 426 people per square mile. Some of the county's most populated postal areas include Parker, Highlands Ranch and Castle Rock.

Population Trend in Douglas County CO

Douglas County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Douglas County Zip Codes

Douglas County has 14 zip codes. Some of the county's most populated zip codes include Parker (80134), Highlands Ranch (80126) and Castle Rock (80104). Parker is the largest zip by population, with about 76,369 residents or 21% of the county total. Together, the three largest zips account for about 43% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Douglas County CO

Douglas County Zip Code populations and trends per most recent census data.

Douglas County Demographics

Douglas County has a median age of 39.5, which makes the county a little older than Colorado overall. About 24% of residents are under 18, while 13.4% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 34.3% of the population, which points to a solid working-age base. About 60.9% of adults have a bachelor's degree or higher, above the statewide figure of 44.7%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Douglas County CO

Douglas County School Districts

Douglas County is served by 1 public school district with 61,243 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Douglas County CO

Douglas County school district enrollment and trends per most recent NCES reporting data.

Douglas County Housing & Real Estate

Douglas County has a median home value of $674,000 and a median gross rent of $2,095. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Colorado median, while rents come in above the state average. In March 2026, the median listing price was $767,500 and homes spent about 34 days on the market.

Businesses in Douglas County, CO

Douglas County has 13,139 business listings across 938 categories. The largest categories in Douglas County business listings are Real Estate Agents (380, 2.9%), Medical Offices (285, 2.2%), and Hair Salons (187, 1.4%). The full Douglas County business listings dataset includes names, categories, addresses and contact details where available. Douglas County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Douglas County, CO

Douglas County Business Listings

Douglas County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Douglas County Basemaps

Douglas County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Colorado — explore the full structure before you buy.