Somerset County GIS Maps

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Somerset County, Maryland, has 24,620 residents across 16,720 parcels and covers 319.8 square miles. The population declined 7% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Somerset County is 24039.

Princess Anne is the county's largest population center. Somerset County also includes 9 zip codes, 1 public school district and 22 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.

Open the Interactive Parcel Viewer Open the Interactive Parcel Viewer

Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.

Somerset County Trends

Population
24,620▾
Median Home Value
$164,300▴
K-12 Enrollment
2,901▴
Somerset County in Maryland

County analytics dashboards with historical trends & projections included in package downloads.

Somerset 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.

Somerset County Parcels

Somerset County has 16,721 mapped parcels covering 201,843 acres. The median assessed value is $87,900. The median lot size is 1.00 acres. 2,499 parcels are 10 acres or larger. Residential accounts for 71.6% of parcels. Agricultural follows at 11.9% and exempt at 4.9%. Of the parcels with a recorded build year, half were built in 1976 or earlier. The records carry 11,121 distinct owner names. About 13% 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 64.8%. Browse the interactive Somerset County Parcel viewer here.

Somerset County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 16,720 100%
Owner name 16,656 99.6%
Owner mailing address 16,643 99.5%
Site address 10,837 64.8%
Land use code 16,656 99.6%
Land use description 16,656 99.6%
Assessed value 16,611 99.3%
Land value 16,383 98.0%
Improvement value 10,067 60.2%
Acreage 16,720 100%
Parcel boundary 16,720 100%
Download all Somerset County parcels.

Field coverage measured across all Somerset County parcel records.

Somerset County Population

Somerset County had 24,620 residents in 2020. That was 7% lower than in 2010. Somerset County had 127 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 77 people per square mile. Some of the county's most populated postal areas include Princess Anne, Crisfield and 21890.

Population Trend in Somerset County MD

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

Somerset County Zip Codes

Somerset County has 9 zip codes. Some of the county's most populated zip codes include Princess Anne (21853), Crisfield (21817) and 21890 (21890). Princess Anne is the largest zip by population, with about 10,179 residents or 41% of the county total. Together, the three largest zips account for about 74% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Somerset County MD

ZIP Area Population Trend
21853 Princess Anne 10,179 ▾ -8.5%
21817 Crisfield 4,825 ▾ -7.8%
21890 21890 3,258 ▴ 0.6%
21871 Westover 1,918 ▾ -9.7%
21838 Marion Station 1,717 ▾ -1.1%
Download all zip code data

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

Somerset County Demographics

Somerset County has a median age of 38.1, which makes the county a little younger than Maryland overall. About 17.5% of residents are under 18, while 17.3% 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 33.4% of the population, which points to a solid working-age base. About 17.1% of adults have a bachelor's degree or higher, above the statewide figure of 42.7%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Somerset County MD

Median Age

38.1

Under 18

17.5%

Age 65+

17.3%

Bachelor's+

17.1%

Somerset County School Districts

Somerset County is served by 1 public school district with 2,901 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, based on district totals from 2017 to 2024.

Largest School Districts by Enrollment in Somerset County MD

District Enrollment Share Trend
Somerset County Public Schools 2,901 100% ▴ 0.2%
Download all school district data

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

Somerset County Housing & Real Estate

Somerset County has a median home value of $164,300 and a median gross rent of $938. About 69% 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 $249,900 and homes spent about 82 days on the market.

Somerset County Housing Mix

Somerset County housing mix: owner, renter and vacant units.

Somerset County Housing Trends

Somerset County median home value and rent trend (last 5 years).

Businesses in Somerset County, MD

Somerset County has 866 business listings across 267 categories. The largest categories in Somerset County business listings are Churches & Religious Organizations (69, 8.0%), Landmark And Historical Building (42, 4.8%), and Auto Repair (16, 1.8%). The full Somerset County business listings dataset includes names, categories, addresses and contact details where available. Somerset County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Somerset County, MD

Category Businesses Share
Churches & Religious Organizations 69 8.0%
Landmark And Historical Building 42 4.8%
Auto Repair 16 1.8%
Gas Stations 15 1.7%
Seafood Restaurants 15 1.7%
Public And Government Association 14 1.6%
Post Offices 13 1.5%
Restaurants 12 1.4%
Grocery Stores 11 1.3%
Elementary School 11 1.3%

Somerset County Business Listings

Business Category City
Palmetto Corner Abuse And Addiction Treatment Princess Anne
Green Farm in Marion. MD Accommodation Marion Station
Deal Island Harbor Active Life Deal Island
Lankford Sysco Advertising Agency Pocomoke City
Coops to Co-ops Agricultural Cooperatives Princess Anne
Crop Production Services Agricultural Service Pocomoke City
Murphy Airport Airport Westover
Lower Somerset Ambulance and Rescue Squad Ambulance And Ems Services Crisfield
The Crab Place American Restaurants Crisfield
Crisfield Cat Rescue Animal Shelters Crisfield
Download Somerset County business listings

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

Somerset County Basemaps

Somerset 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.

Get the Full Somerset County Data Package

This page shows a preview of what's included in the Somerset County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

Get the Somerset County Package + Parcels — $49

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