Manassas city, Virginia
County seat: Manassas · Population 44,332 (2025) · 10 sq mi
Manassas city is the 40th most populous of Virginia's 133 counties, with 44,332 people (2025 estimate). Its county seat is Manassas. The map shows its 1 city or town and the 2 neighboring counties.
Manassas city facts
- County seat
- Manassas
- Population (2025 estimate)
- 44,332 +3.6% since 2020
- Land area
- 10 sq mi 119th largest of 133
- Water area
- 0 sq mi
- Population density
- 4,504 per sq mi
- Established
- 1975
- Named after
- Manassas Gap Railroad railway line in the United States of America
- Largest city
- Manassas 44,332
- Median household income
- $113,590
- Cities and towns
- 1
- ZIP codes
- 1
- Time zone
- Eastern
- FIPS code
- 51683
Cities and towns in Manassas city
Manassas city has 1 incorporated place. Populations count the people living inside Manassas city; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Manassas (county seat) | City | 44,332 |
ZIP codes in Manassas city
1 ZIP code reaches into Manassas city. ZIP codes ignore county lines, so some also cover a neighboring county.
- 20110 also Prince William County
Population of Manassas city, 2020–2025
Manassas city grew by 1,559 people (+3.6%) between April 2020 and July 2025: 2,155 more births than deaths and a net loss of 655 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 42,690 |
| 2021 | 42,777 |
| 2022 | 42,734 |
| 2023 | 43,184 |
| 2024 | 44,038 |
| 2025 | 44,332 |
Neighboring counties
- Prince William County south · 502,966 people
- Manassas Park city northeast · 16,560 people
Printable Manassas city map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (71 KB)
- PNG (2400 px) (80 KB)
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Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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