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Alleghany County, VA Demographics

Alleghany County, VA is the 98th most populous of 133 counties in Virginia, with 15,223 residents across 447 square miles. That is about 34 people per square mile.

At the 2020 census

Population 15,223
Land area 447 sq mi
Density 34 / sq mi

Data: 2020 Census · American Community Survey 2024

How Alleghany County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Alleghany County, VA

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Alleghany County, VA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Alleghany County, VA

Name Population Sq mi Per sq mi
Census Tract 701 3,662 2.6 1,392
Census Tract 801 3,198 86.7 37
Census Tract 802.01 2,790 61.4 45
Census Tract 802.02 2,381 84.9 28
Census Tract 803.01 1,854 91.5 20
Census Tract 803.02 1,338 119.4 11

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About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →