County Maps US

Monroe County, West Virginia

A county in West Virginia, ranked 40 of 55 by population.

CountyFIPS 54063

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

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Population
12,491
+103 (+0.8%) since 2020
Land area
472.8
square miles. A further 0.2% of the total area is water
Population density
26.4
people per square mile, computed rather than published
County seat
Union
Seat of county government.
Established
1799
226 years ago
Largest city
Peterstown town
Population 449.

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 Monroe 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 Monroe 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 800 by 594 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 Monroe 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
Population12,49140th of 552,253rd of 3,144
Land area472.8 sq mi20th of 552,182nd of 3,144
Population density26.4 per sq mi41st of 552,028th of 3,144
Median household income$56,75026th of 552,353rd of 3,143

Full data for Monroe County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population12,491Vintage 2025 Population Estimates
Population in 202012,388Vintage 2025 Population Estimates
2020 estimates base?12,381Vintage 2025 Population Estimates
Land area472.8 sq mi2025 Gazetteer Files
Water area0.89 sq mi2025 Gazetteer Files
Total area473.6 sq mi2025 Gazetteer Files
Population density?26.4 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$56,750American Community Survey 2020-2024 5-Year Estimates
Median home value$156,300American Community Survey 2020-2024 5-Year Estimates
Median age46.2American Community Survey 2020-2024 5-Year Estimates
Households4,619American Community Survey 2020-2024 5-Year Estimates
Housing units6,240American 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
-51
120 births, 171 deaths
Net migration
+25
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 Monroe 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
Greenbrier CountyWest Virginia30 mi31,578
Giles CountyVirginia30 mi16,564
Craig CountyVirginia27 mi4,800
Summers CountyWest Virginia24 mi11,532
Alleghany CountyVirginia6.4 mi14,546

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.