ZIP Codes of Manassas City County, VA

Population & People
Population & People
Total Population
49,890
Household Income
Household Income
Median Income
$118,486
Housing
Housing
Total Housing Units
16,335
Business & Economy
Business & Economy
Total Businesses
1,729
Employment
Employment
Employment Rate
68.01%
Education
Education
Bachelor's Degree+
32.97%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:2 ZIP Codes (1 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:571 / 703
Timezone:Eastern (GMT -05:00)
Local Time:2:14:11 PM
Population:49,890 [See All]
FIPS:51683
CBSA:Washington-Arlington-Alexandria, DC-VA-MD-WV
Land Area:14 sq mi
Water Area:0 sq mi
Coordinates:38.7513, -77.4789
Quick Link:
https://www.zip-codes.com/county/va-manassas-city.asp
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Among America's 25 most foreign-born counties
31.2% foreign-born — #23 nationwide.

Standout ZIPs in this County


Most Populous
Manassas · 49,890 people
100.0% of county total
Highest Income
Manassas · $118,486 median
1.0× county average
Largest Land Area
Manassas · 14.0 sq mi
Spans the most ground
Fastest Growth
Manassas · 5.9% (10-yr)
47,103 → 49,890 residents
Most Educated
Manassas · 33.0% bachelor's+
10,742 of 32,586 adults 25+

Things worth knowing about Manassas City County


49,890 residents live across 2 ZIPs covering 14 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 47,103 to 49,890 from 2014 to 2024 — a +5.9% change. 1 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 20110 (Manassas, $118,486 median) and poorest ZIP 20110 (Manassas, $118,486) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Virginia, this is the #39 most populous of 134 counties and ranks #13 for median household income with the #44 fastest decade growth .

On the national stage, Manassas City County is ranks #99 for income .

Weighted by population, the typical household earns about $118,486 across the county — reflecting what a typical resident sees, not a simple ZIP average.

33.0% of adults age 25+ hold a bachelor's degree or higher (10,742 of 32,586 reporting).

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

All ZIP Codes in Manassas City County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
20110ManassasStandard49,890$118,48614.05.9%
20108ManassasPO Box0.0

Adjacent & Nearby Counties