Alleghany County, North Carolina
County seat: Sparta · Population 11,479 (2025) · 235 sq mi
Alleghany County is the 93rd most populous of North Carolina's 100 counties, with 11,479 people (2025 estimate). Its county seat is Sparta. It is part of the Northwest Region region, one of the 8 Prosperity Zones of North Carolina. The map shows its 1 city or town and the 4 neighboring counties.
Alleghany County facts
- County seat
- Sparta
- Population (2025 estimate)
- 11,479 +5.5% since 2020
- Land area
- 235 sq mi 95th largest of 100
- Water area
- 1 sq mi
- Population density
- 49 per sq mi
- Established
- 1859
- Named after
- Allegheny Mountains Subrange of the Appalachian Mountains
- Largest city
- Sparta 1,918
- Median household income
- $47,172
- Cities and towns
- 1
- ZIP codes
- 7
- Time zone
- Eastern
- FIPS code
- 37005
Cities and towns in Alleghany County
Alleghany County has 1 incorporated place. Populations count the people living inside Alleghany County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Sparta (county seat) | Town | 1,918 |
ZIP codes in Alleghany County
7 ZIP codes reach into Alleghany County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 28623 also Surry County
- 28627
- 28631 also Ashe County
- 28644 also Ashe and Wilkes counties
- 28663
- 28668
- 28675 also Wilkes County
Population of Alleghany County, 2020–2025
Alleghany County grew by 600 people (+5.5%) between April 2020 and July 2025: 369 more deaths than births and a net gain of 970 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 10,891 |
| 2021 | 11,084 |
| 2022 | 11,200 |
| 2023 | 11,332 |
| 2024 | 11,402 |
| 2025 | 11,479 |
Neighboring counties
- Grayson County, Virginia north · 15,230 people
- Wilkes County south · 66,233 people
- Ashe County west · 27,514 people
- Surry County east · 72,287 people
Printable Alleghany County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (77 KB)
- PNG (2400 px) (61 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
Back to the North Carolina county map with all 100 counties. Found an error? Tell us.