Alleghany County, Virginia

County seat: Covington · Population 14,546 (2025) · 447 sq mi

Alleghany County is the 101st most populous of Virginia's 133 counties, with 14,546 people (2025 estimate). Its county seat is Covington. It is part of the Roanoke Valley-Alleghany Regional Commission (PD 5) region, one of the 21 Planning District Commissions of Virginia. The map shows its 2 cities and towns and the 7 neighboring counties.

Map of Alleghany County, Virginia with cities, towns and the county boundary
Alleghany County, Virginia with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Alleghany County facts

County seat
Covington
Population (2025 estimate)
14,546 −4.4% since 2020
Land area
447 sq mi 37th largest of 133
Water area
3 sq mi
Population density
33 per sq mi
Established
1822
Named after
Allegheny Mountains Subrange of the Appalachian Mountains
Largest city
Clifton Forge 3,372
Median household income
$56,188
Cities and towns
2 plus 5 CDPs
ZIP codes
7
Time zone
Eastern
FIPS code
51005

Cities and towns in Alleghany County

Alleghany County has 2 incorporated cities, towns and villages. Populations count the people living inside Alleghany County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Clifton ForgeTown3,372
Iron GateTown305

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Mallow537
Low Moor430
Callaghan198
Selma146
Cliftondale Park86

ZIP codes in Alleghany County

7 ZIP codes reach into Alleghany County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Alleghany County, 2020–2025

Alleghany County shrank by 670 people (−4.4%) between April 2020 and July 2025: 844 more deaths than births and a net gain of 173 people from migration.

Year (July 1)Population
202015,187
202115,003
202214,757
202314,733
202414,674
202514,546

Neighboring counties

Printable Alleghany County map

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Sources

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