Garrett County GIS Maps

Garrett 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.

Garrett County Parcels

Garrett County has 29,906 mapped parcels covering 373,601 acres. The median assessed value is $124,200. The median lot size is 1.06 acres. 4,531 parcels are 10 acres or larger. Residential accounts for 78.0% of parcels. Agricultural follows at 10.5% and commercial at 3.6%. Of the parcels with a recorded build year, half were built in 1985 or earlier. The records carry 21,602 distinct owner names. About 22% 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 74.5%. Browse the interactive Garrett County Parcel viewer here.

Garrett County Parcel Data Coverage

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

Garrett County Population

Garrett County had 28,806 residents in 2020. That was 4.3% lower than in 2010. Garrett County had 1,040 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 44 people per square mile. Some of the county's most populated postal areas include Oakland, Grantsville and Swanton.

Population Trend in Garrett County MD

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

Garrett County Zip Codes

Garrett County has 10 zip codes. Some of the county's most populated zip codes include Oakland (21550), Grantsville (21536) and Swanton (21561). Oakland is the largest zip by population, with about 13,499 residents or 47% of the county total. Together, the three largest zips account for about 70% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Garrett County MD

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

Garrett County Demographics

Garrett County has a median age of 48.1, which makes the county a little older than Maryland overall. About 17.9% of residents are under 18, while 23.6% 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 28.1% of the population, which points to a solid working-age base. About 24.6% of adults have a bachelor's degree or higher, above the statewide figure of 42.7%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Garrett County MD

Garrett County School Districts

Garrett County is served by 1 public school district with 3,405 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 Garrett County MD

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

Garrett County Housing & Real Estate

Garrett County has a median home value of $217,000 and a median gross rent of $710. About 81% 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 $560,000 and homes spent about 98 days on the market.

Businesses in Garrett County, MD

Garrett County has 1,870 business listings across 440 categories. The largest categories in Garrett County business listings are Churches & Religious Organizations (80, 4.3%), Holiday Rental Home (56, 3.0%), and Real Estate Agents (34, 1.8%). The full Garrett County business listings dataset includes names, categories, addresses and contact details where available. Garrett County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Garrett County, MD

Garrett County Business Listings

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

Garrett County Basemaps

Garrett 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.