| 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 |
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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.