Smyth County, Virginia

A county in Virginia, ranked 65 of 133 by population.

CountyFIPS 51173

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

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Population
28,882
-898 (-3.0%) since 2020
Land area
451.4
square miles. A further 0.3% of the total area is water
Population density
64.0
people per square mile, computed rather than published
County seat
Marion
Seat of county government.
Established
1832
193 years ago
Largest city
Marion town
Population 5,555.

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 Smyth 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 Smyth County, 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 682 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 Smyth County ranks

Position among the 133 counties and independent cities of Virginia, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn VirginiaNationally
Population28,88265th of 1331,481st of 3,144
Land area451.4 sq mi35th of 1332,267th of 3,144
Population density64.0 per sq mi90th of 1331,255th of 3,144
Median household income$49,883122nd of 1332,776th of 3,143

Full data for Smyth County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population28,882Vintage 2025 Population Estimates
Population in 202029,780Vintage 2025 Population Estimates
2020 estimates base?29,794Vintage 2025 Population Estimates
Land area451.4 sq mi2025 Gazetteer Files
Water area1.3 sq mi2025 Gazetteer Files
Total area452.7 sq mi2025 Gazetteer Files
Population density?64.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$49,883American Community Survey 2020-2024 5-Year Estimates
Median home value$139,600American Community Survey 2020-2024 5-Year Estimates
Median age46.4American Community Survey 2020-2024 5-Year Estimates
Households12,659American Community Survey 2020-2024 5-Year Estimates
Housing units15,080American 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
-275
271 births, 546 deaths
Net migration
+23
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 Smyth 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
Tazewell CountyVirginia28 mi38,635
Washington CountyVirginia25 mi53,898
Grayson CountyVirginia25 mi15,230
Wythe CountyVirginia15 mi27,983
Bland CountyVirginia5.1 mi6,151
Russell CountyVirginia4.0 mi25,332

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

All 133 counties and independent cities of Virginia

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

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