ZIP code · Manassas · Virginia · United States
ZIP code 20109 — Manassas
ZIP code 20109 serves Manassas, Virginia.
- Postal code
- 20109Single source Value from one source, not cross-checked.
- City
- Manassas
- County
- Manassas (city) FIPS 51153
- State
- Virginia
- Country
- United States
- Coordinates
- 38.7930, -77.5266 — precision precise (locality)
View on OpenStreetMap - Population
- 44,161 (ZCTA, ACS 5-year)
- Population density
- 1,853 / sq mi
- Land area
- 23.8 sq mi (61.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $88,966
- Per-capita income
- $35,478
- Median age
- 33.6
- Households
- 14,926
- Housing units
- 15,673
- Median home value
- $411,700
- Median gross rent
- $1,928 / month
- Congressional district
- VA-10 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 20109 with another ZIP · ZIPs within 25 miles · distance from 20109
Map of ZIP code 20109
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 46 | 54 | 66 | 74 | 83 | 88 | 85 | 78 | 67 | 56 | 47 |
| Avg low °F | 24 | 26 | 32 | 43 | 54 | 64 | 69 | 67 | 58 | 46 | 35 | 29 |
NOAA 1991–2020 climate normals from the nearest station: MANASSAS (4.5 mi) · NOAA NCEI
Places in ZIP 20109
- 13 schools
- 5 colleges & universities
- 5 hospitals & clinics
- 9 doctors & dentists
- 2 pharmacies
- 7 supermarkets
- 100 restaurants & cafés
- 2 bars & pubs
- 28 parks
- 54 playgrounds
- 8 gyms & sports centres
- 2 libraries
- 1 post offices
- 12 places of worship
- 13 banks
- 22 gas stations
- 4 EV charging stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page