US ZIP Code
20155

Gainesville, VA

Prince William County  ·  Virginia

● Active
👥 37,516 Population ↑ 2% since 2019
💰 $154,531 Median HH Income
▲ 103% above avg ↑ 19% since 2019
🎂 40.2 Median Age ↑ 7% since 2019
🏠 $630,400 Median Home Value
▲ 126% above avg ↑ 33% since 2019
🎓 62.7% College Grads
▲ 62% above avg
📊 2.9% Unemployment
▼ 40% below avg ↓ 14% since 2019
ZIP Code Details
ZIP Code20155
CityGainesville
StateVirginia (VA)
CountyPrince William County
Area Code571/703
Elevation359 ft
Latitude38.806662
Longitude-77.621357
TimezoneNew York (DST)
FIPS51153
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.9% (18,717) Female 50.1% (18,799) ♀

Race & Ethnicity

White: 55%Hispanic: 12.2%Black: 12.9%Asian: 13.8%Other: 5.4%Race
White55.0%
Hispanic12.2%
Black12.9%
Asian13.8%
Other5.4%

Age Breakdown

Under 5
6%
5–17
20%
18–24
9%
25–44
24%
45–64
25%
65+
7%

Key Indicators

Median Age40.2 yrs ↑ 7% since 2019
Avg Household Size2.97
Below Poverty3.3% ▼ 67% below avg
College Grads62.7% ▲ 62% above avg
Unemployment2.9% ▼ 40% below avg
No HS Diploma225 (1%)
HS Graduate3,826 (16.2%)
Some College1,816 (7.7%)
Associates2,934 (12.4%)
Bachelors1,739 (7.4%)
Graduate Degree13,061 (55.3%)

Education

No HS: 1%HS Grad: 16.2%Some College: 7.7%Associates: 12.4%Bachelors: 7.4%Graduate: 55.3%Edu
No HS1.0%
HS Grad16.2%
Some College7.7%
Associates12.4%
Bachelors7.4%
Graduate55.3%
Housing & Income

Housing Tenure

Owner: 85.2%Renter: 14.8%Tenure
Owner85.2%
Renter14.8%

Home Value Distribution

Under $50k
2%
$50k–100k
0%
$100k–150k
0%
$150k–200k
0%
$200k–300k
2%
$300k–500k
21%
Over $500k
75%

Financials

Median HH Income$154,531 ▲ 103% above avg ↑ 19% since 2019
Median Home Value$630,400 ▲ 126% above avg ↑ 33% since 2019
Home/Income Ratio4.1x (nat avg ~3.5x)
Median Rent$2,648/mo ↑ 21% since 2019
Total Units12,833
Vacant Units299
Avg HH Size2.97

Income Distribution

Under $25k
4%
$25k–50k
5%
$50k–75k
8%
$75k–100k
9%
$100k–150k
21%
$150k–200k
20%
Over $200k
32%
Employment & Commute

How People Get to Work

Drove Alone
72%
Public Transit
2%
Walked
1%
Work From Home
26%

Commute Time

Under 15 min
16%
15–30 min
27%
30–45 min
21%
Over 45 min
36%
Housing Stock

Year Built

1940s–1950s
1%
1960s–1970s
3%
1980s–1990s
35%
2000+
61%

Summary

Total Units12,833
Vacant299
Owner Occupied85.2%
Renter Occupied14.8%
Avg HH Size2.97
Frequently Asked Questions
ZIP code 20155 is in Gainesville, VA, in Prince William County.
ZIP code 20155 is located in Virginia (VA).
ZIP code 20155 is in Prince William County, VA.
ZIP 20155 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20155 is 37,516 people (ACS 2023).
The median household income in ZIP code 20155 is $154,531 (ACS 2023).
The median home value in ZIP 20155 is $630,400 (ACS 2023).
About ZIP Code 20155

ZIP code 20155 is located in Gainesville, Virginia, within Prince William County. With a population of 37,516, this is a highly populated ZIP code with a middle-aged community — the median age is 40.2 years. Economically, 20155 is a affluent ZIP code: the median household income of $154,531 is more than double the national average.

Real estate in ZIP code 20155 represents a premium housing market. The median home value of $630,400 is more than double the national average. Renters can expect to pay around $2,648 per month in median rent. Homeownership is strong here — 85.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 33% since 2019.

The population of 20155 is majority White (55.01%). Residents are highly educated — 62.7% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.3%. Household income has grown by 19% since 2019.

The unemployment rate in 20155 stands at 2.9%, which is below the national average. About 24% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 66%.

Overall, ZIP code 20155 in Gainesville, VA is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 37,516 residents, a median household income of $154,531, and a median home value of $630,400, it offers a clear picture of life in this part of Virginia.