Dorchester County GIS Maps

Dorchester 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.

Dorchester County Parcels

Dorchester County has 23,045 mapped parcels covering 358,391 acres. The median assessed value is $136,200. The median lot size is 0.75 acres. 3,198 parcels are 10 acres or larger. Residential accounts for 75.0% of parcels. Agricultural follows at 9.1% and commercial at 3.9%. Of the parcels with a recorded build year, half were built in 1972 or earlier. The records carry 15,900 distinct owner names. About 10% of parcels list an owner mailing address outside Maryland. Owner names, mailing addresses, assessed values and lot sizes are on nearly every parcel. Site addresses reach 76.2%. Browse the interactive Dorchester County Parcel viewer here.

Dorchester County Parcel Data Coverage

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

Dorchester County Population

Dorchester County had 32,531 residents in 2020. That was 0.3% lower than in 2010. Dorchester County added 1,857 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 60 people per square mile. Some of the county's most populated postal areas include Cambridge, Hurlock and East New Market.

Population Trend in Dorchester County MD

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

Dorchester County Zip Codes

Dorchester County has 16 zip codes. Some of the county's most populated zip codes include Cambridge (21613), Hurlock (21643) and East New Market (21631). Cambridge is the largest zip by population, with about 17,967 residents or 55% of the county total. Together, the three largest zips account for about 81% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Dorchester County MD

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

Dorchester County Demographics

Dorchester County has a median age of 43.9, which makes the county a little older than Maryland overall. About 21.2% of residents are under 18, while 22.6% 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 28.4% of the population, which points to a solid working-age base. About 18.8% of adults have a bachelor's degree or higher, above the statewide figure of 42.7%. 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 Dorchester County MD

Dorchester County School Districts

Dorchester County is served by 1 public school district with 4,586 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 Dorchester County MD

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

Dorchester County Housing & Real Estate

Dorchester County has a median home value of $252,300 and a median gross rent of $959. About 66% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Maryland median, while rents come in below the state average. In March 2026, the median listing price was $316,250 and homes spent about 97 days on the market.

Businesses in Dorchester County, MD

Dorchester County has 1,485 business listings across 402 categories. The largest categories in Dorchester County business listings are Churches & Religious Organizations (74, 5.0%), Landmark And Historical Building (32, 2.2%), and Contractors (27, 1.8%). The full Dorchester County business listings dataset includes names, categories, addresses and contact details where available. Dorchester County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Dorchester County, MD

Dorchester County Business Listings

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

Dorchester County Basemaps

Dorchester 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 Maryland — explore the full structure before you buy.