Gilmer County, West Virginia

A county in West Virginia, ranked 51 of 55 by population.

CountyFIPS 54021

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

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Population
7,085
-308 (-4.2%) since 2020
Land area
338.5
square miles. A further 0.5% of the total area is water
Population density
20.9
people per square mile, computed rather than published
County seat
Glenville
Seat of county government.
Established
1845
180 years ago
Largest city
Glenville town
Population 1,047.

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 Gilmer 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 Gilmer County, West Virginia 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 726 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 Gilmer County ranks

Position among the 55 counties of West Virginia, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn West VirginiaNationally
Population7,08551st of 552,649th of 3,144
Land area338.5 sq mi39th of 552,716th of 3,144
Population density20.9 per sq mi50th of 552,213th of 3,144
Median household income$47,98146th of 552,871st of 3,143

Full data for Gilmer County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population7,085Vintage 2025 Population Estimates
Population in 20207,393Vintage 2025 Population Estimates
2020 estimates base?7,412Vintage 2025 Population Estimates
Land area338.5 sq mi2025 Gazetteer Files
Water area1.6 sq mi2025 Gazetteer Files
Total area340.1 sq mi2025 Gazetteer Files
Population density?20.9 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$47,981American Community Survey 2020-2024 5-Year Estimates
Median home value$83,800American Community Survey 2020-2024 5-Year Estimates
Median age41.5American Community Survey 2020-2024 5-Year Estimates
Households2,254American Community Survey 2020-2024 5-Year Estimates
Housing units3,117American 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
-45
46 births, 91 deaths
Net migration
+12
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 5 areas bordering Gilmer 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
Calhoun CountyWest Virginia31 mi5,978
Braxton CountyWest Virginia27 mi11,885
Ritchie CountyWest Virginia20 mi8,034
Lewis CountyWest Virginia15 mi16,394
Doddridge CountyWest Virginia4.6 mi7,634

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

All 55 counties of West Virginia

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

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