County Maps US

Garrett County, Maryland

A county in Maryland, ranked 22 of 24 by population.

CountyFIPS 24023

Within Maryland
Garrett County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Oakland, the county seat, located via the 2025 Census Gazetteer.

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Population
28,370
-428 (-1.5%) since 2020
Land area
649.1
square miles. A further 1.3% of the total area is water
Population density
43.7
people per square mile, computed rather than published
County seat
Oakland
Seat of county government.
Established
1872
153 years ago
Largest city
Mountain Lake Park town
Population 2,101.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Garrett County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Garrett County, Maryland from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 678 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Garrett County ranks

Position among the 24 counties of Maryland, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MarylandNationally
Population28,37022nd of 241,499th of 3,144
Land area649.1 sq mi2nd of 241,451st of 3,144
Population density43.7 per sq mi24th of 241,594th of 3,144
Median household income$67,68820th of 241,368th of 3,143

Full data for Garrett County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population28,370Vintage 2025 Population Estimates
Population in 202028,798Vintage 2025 Population Estimates
2020 estimates base?28,806Vintage 2025 Population Estimates
Land area649.1 sq mi2025 Gazetteer Files
Water area8.7 sq mi2025 Gazetteer Files
Total area657.8 sq mi2025 Gazetteer Files
Population density?43.7 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$67,688American Community Survey 2020-2024 5-Year Estimates
Median home value$235,300American Community Survey 2020-2024 5-Year Estimates
Median age48.3American Community Survey 2020-2024 5-Year Estimates
Households12,578American Community Survey 2020-2024 5-Year Estimates
Housing units18,642American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-153
204 births, 357 deaths
Net migration
+107
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Garrett County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Preston CountyWest Virginia36 mi34,004
Mineral CountyWest Virginia26 mi26,792
Somerset CountyPennsylvania25 mi72,004
Grant CountyWest Virginia20 mi11,041
Allegany CountyMaryland18 mi66,848
Fayette CountyPennsylvania4.5 mi123,021

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 24 counties of Maryland

Open the interactive Maryland county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.