ZIP code 20155: Gainesville, VA
20155 is a ZIP code in Gainesville, Virginia, mainly in Prince William County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area. About 37,486 people live here.
- Population
- 37,486
- Median household income
- $164,279
- Typical home value
- $742,100+1.8% in 12 months
- Median rent
- $2,642gross, per month
- Median age
- 40.4
- Homeowners
- 85.9%of occupied homes
Shaded: ZIP code 20155's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 20155 details
| City | Gainesville |
|---|---|
| State | Virginia |
| County | Prince William County |
| Metro area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 25.5 sq mi, plus 0.9 sq mi of water |
| Population density | 1,471 people per sq mi |
| Bachelor's degree or higher | 57.2% of adults 25+ |
| Average commute | 33.3 minutes |
| Center coordinates | 38.80666, -77.62136 |
Median rent in 20155 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $1,813/mo |
| 2 bedrooms | $2,286/mo |
| 3 bedrooms | $2,578/mo |
| 4 bedrooms | $3,077/mo |
| 5+ bedrooms | $3,232/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 20155
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 20168 | Haymarket, VA | 0.9 mi | — |
| 20169 | Haymarket, VA | 4.6 mi | 28,089 |
| 20109 | Manassas, VA | 4.9 mi | 45,444 |
| 20137 | Broad Run, VA | 5.4 mi | 1,938 |
| 20143 | Catharpin, VA | 5.7 mi | 1,070 |
| 20136 | Bristow, VA | 6.7 mi | 32,325 |
| 20182 | Nokesville, VA | 7.6 mi | — |
| 20120 | Centreville, VA | 8.2 mi | 42,896 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 20155?
A typical home in ZIP code 20155 is worth about $742,100 (Zillow Home Value Index). The median household here earns $164,279 a year. See what buying here would cost per month, with Virginia average taxes and insurance filled in.
Monthly payment for a $742,100 homeWhat can a $164,279 income afford?Rental property numbers
About ZIP code 20155
What city is ZIP code 20155?
ZIP code 20155 is in Gainesville, VA, in Prince William County.
What county is ZIP code 20155 in?
20155 is mainly in Prince William County, Virginia.
What is the population of ZIP code 20155?
About 37,486 people live in ZIP code 20155, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 20155 in?
20155 is in Eastern Time (UTC−5). It observes daylight saving time.
What other ZIP codes does Gainesville have?
Gainesville, VA also uses 20156.