ZIP Codes of Smyth County, VA

Population & People
Population & People
Total Population
29,001
Household Income
Household Income
Median Income
$49,619
Housing
Housing
Total Housing Units
15,117
Business & Economy
Business & Economy
Total Businesses
500
Employment
Employment
Employment Rate
48.25%
Education
Education
Bachelor's Degree+
17.10%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:276
Timezone:Eastern (GMT -05:00)
Local Time:2:14:13 PM
Population:29,001 [See All]
FIPS:51173
Land Area:419 sq mi
Water Area:1 sq mi
Coordinates:36.8315, -81.5384
Quick Link:
https://www.zip-codes.com/county/va-smyth.asp
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Virginia's #65 most populous county
29,001 residents across 5 ZIPs — #65 of 134 Virginia counties.

Standout ZIPs in this County


Most Populous
Marion · 13,001 people
44.8% of county total
Highest Income
Sugar Grove · $53,571 median
1.1× county average
Largest Land Area
Saltville · 140.6 sq mi
Spans the most ground
Fastest Growth
Sugar Grove · 22.5% (10-yr)
1,397 → 1,711 residents
Most Educated
Chilhowie · 19.6% bachelor's+
969 of 4,952 adults 25+

Things worth knowing about Smyth County


29,001 residents live across 5 ZIPs covering 419 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 32,158 to 29,001 from 2014 to 2024 — a -9.8% change. 1 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 24375 (Sugar Grove, $53,571 median) and poorest ZIP 24354 (Marion, $44,502) are 8.8 miles apart — a 1.2× income gap across local geography.

Median home values vary 2.1× across this county — from $75,200 in 24375 (Sugar Grove) to $158,100 in 24354 (Marion).

Density varies across the county — from 27 people/sq mi in 24375 (Sugar Grove) to 111 in 24319 (Chilhowie).

Educational attainment ranges from 6.1% bachelor's+ in 24375 (Sugar Grove) to 19.6% in 24319 (Chilhowie) — the breadth of educational profiles across the area.

Within Virginia, this is the #65 most populous of 134 counties and ranks #120 for median household income .

Weighted by population, the typical household earns about $48,083 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.1% of adults age 25+ hold a bachelor's degree or higher (3,676 of 21,495 reporting).

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

Stories about Smyth County


Population decline

Smyth County lost 9.8% of residents between 2014 and 2024. ZIPs that shed the largest share:

Atkins
-29.2%
2,154 → 1,526 residents
Marion
-14.6%
15,228 → 13,001 residents

All ZIP Codes in Smyth County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
24354MarionStandard13,001$44,502117.4-14.6%
24319ChilhowieStandard6,997$52,72162.8-5.5%
24370SaltvilleStandard5,766$48,787140.6-3.5%
24375Sugar GroveStandard1,711$53,57163.522.5%
24311AtkinsStandard1,526$48,51634.4-29.2%

Adjacent & Nearby Counties