INDEPENDENT CITY · VA
Manassas city, Virginia
Manassas city is an independent city in Virginia with FIPS code 51683 and an estimated population of 42,696 (Census 2023), 41st largest of 133 in the state.
County facts
- Name
- Manassas city
- State
- Virginia
- Type
- independent city
- FIPS code
- 51683
- State FIPS
- 51
- Population (2023)
- 42,696
- Change since 2020
- +0.0%
- State rank
- 41 of 133
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Manassas city?
Manassas city, Virginia has the five-digit FIPS code 51683: 51 for the state and 683 for the county.
What state is Manassas city in?
Manassas city is in Virginia.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.