ZIP Codes of Alleghany County, NC

Population & People
Population & People
Total Population
12,027
Household Income
Household Income
Median Income
$55,535
Housing
Housing
Total Housing Units
8,403
Business & Economy
Business & Economy
Total Businesses
263
Employment
Employment
Employment Rate
48.60%
Education
Education
Bachelor's Degree+
25.08%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:336 / 743
Timezone:Eastern (GMT -05:00)
Local Time:2:12:55 PM
Population:12,027 [See All]
FIPS:37005
Land Area:265 sq mi
Water Area:1 sq mi
Coordinates:36.4675, -81.1137
Quick Link:
https://www.zip-codes.com/county/nc-alleghany.asp
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North Carolina's #92 most populous county
12,027 residents across 6 ZIPs — #92 of 100 North Carolina counties.

Standout ZIPs in this County


Most Populous
Sparta · 6,745 people
56.1% of county total
Highest Income
Piney Creek · $80,457 median
1.4× county average
Largest Land Area
Sparta · 108.9 sq mi
Spans the most ground
Fastest Growth
Ennice · 22.2% (10-yr)
1,485 → 1,814 residents
Most Educated
Laurel Springs · 41.3% bachelor's+
418 of 1,012 adults 25+

Things worth knowing about Alleghany County


12,027 residents live across 6 ZIPs covering 265 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 11,367 to 12,027 from 2014 to 2024 — a +5.8% change. 4 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 28663 (Piney Creek, $80,457 median) and poorest ZIP 28675 (Sparta, $44,560) are 11.3 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.4× across this county — from $170,600 in 28623 (Ennice) to $246,400 in 28627 (Glade Valley).

Density varies across the county — from 19 people/sq mi in 28644 (Laurel Springs) to 62 in 28675 (Sparta).

Educational attainment ranges from 12.6% bachelor's+ in 28623 (Ennice) to 41.3% in 28644 (Laurel Springs) — the breadth of educational profiles across the area.

Within North Carolina, this is the #92 most populous of 100 counties and ranks #73 for median household income with the #38 fastest decade growth .

Weighted by population, the typical household earns about $49,472 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.1% of adults age 25+ hold a bachelor's degree or higher (2,336 of 9,313 reporting).

6 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Alleghany County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
28675SpartaStandard6,745$44,560108.95.4%
28623EnniceStandard1,814$53,38430.122.2%
28644Laurel SpringsStandard1,433$52,79876.367.8%
28627Glade ValleyStandard1,193$46,47425.8-20.6%
28663Piney CreekStandard802$80,45720.015.9%
28668Roaring GapStandard403.4-90.7%

Adjacent & Nearby Counties