ZIP Codes of Franklin City County, VA

Population & People
Population & People
Total Population
13,237
Household Income
Household Income
Median Income
$70,122
Housing
Housing
Total Housing Units
6,027
Business & Economy
Business & Economy
Total Businesses
1,451
Employment
Employment
Employment Rate
54.00%
Education
Education
Bachelor's Degree+
25.30%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:540 / 757 / 826 / 948
Timezone:Eastern (GMT -05:00)
Local Time:2:14:09 PM
Population:13,237 [See All]
FIPS:51620
CBSA:Roanoke, VA
Land Area:112 sq mi
Water Area:18 sq mi
Coordinates:36.6682, -76.9232
Quick Link:
https://www.zip-codes.com/county/va-franklin-city.asp
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Virginia's #101 most populous county
13,237 residents across 1 ZIPs — #101 of 134 Virginia counties.

Standout ZIPs in this County


Most Populous
Franklin · 13,237 people
100.0% of county total
Highest Income
Franklin · $70,122 median
1.0× county average
Largest Land Area
Franklin · 112.0 sq mi
Spans the most ground
Fastest Growth
Franklin · -2.4% (10-yr)
13,558 → 13,237 residents
Most Educated
Franklin · 25.3% bachelor's+
2,340 of 9,249 adults 25+

Things worth knowing about Franklin City County


13,237 residents live across 1 ZIPs covering 112 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 13,558 to 13,237 from 2014 to 2024 — a -2.4% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 23851 (Franklin, $70,122 median) and poorest ZIP 23851 (Franklin, $70,122) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Virginia, this is the #101 most populous of 134 counties and ranks #69 for median household income .

Weighted by population, the typical household earns about $70,122 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.3% of adults age 25+ hold a bachelor's degree or higher (2,340 of 9,249 reporting).

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

All ZIP Codes in Franklin City County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
23851FranklinStandard13,237$70,122112.0-2.4%

Adjacent & Nearby Counties