ZIP code
20155
Gainesville, VA
20155 covers Gainesville in Prince William County, with 37,516 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 20155. Methodology
ZIP code map of 20155

About ZIP code 20155
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 20155. Not ACS. Methodology
People in 20155
Race
- White21,636
- Black or African American3,986
- American Indian or Alaska Native116
- Asian5,948
- Native Hawaiian and Pacific Islander26
- Other race1,556
- Two or more races3,950
Hispanic or Latino (any race): 4,191
Age
- Under 104,754
- 10 to 195,944
- 20 to 293,403
- 30 to 394,471
- 40 to 495,554
- 50 to 595,202
- 60 to 693,420
- 70 to 792,908
- 80 and older1,562
Income and housing in 20155
Education
- High school graduate96.6%
- Bachelor's degree55.4%
- Graduate degree22.1%
Places covering 20155
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Gainesville41.1%
- Linton Hall20.6%
- Haymarket0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Prince William County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
38.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 20155
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 23,369 | |
| 2006 | 24,230 | |
| 2007 | 26,091 | |
| 2008 | 27,532 | |
| 2009 | 29,041 | |
| 2010 | 30,482 | |
| 2011 | 28,750 | 31,780 |
| 2012 | 29,738 | 32,870 |
| 2013 | 31,724 | 33,340 |
| 2014 | 32,069 | 33,650 |
| 2015 | 32,716 | 34,460 |
| 2016 | 34,202 | 35,150 |
| 2017 | 34,790 | 35,690 |
| 2018 | 35,107 | 36,090 |
| 2019 | 36,642 | 35,920 |
| 2020 | 37,151 | 36,490 |
| 2021 | 36,989 | 36,140 |
| 2022 | 37,106 | 37,080 |
| 2023 | 37,516 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 20155
12 nearest ZIP centroids (any distance)
- 20169Haymarket4.6 miPop 28,696 · Income $198,317
- 20109Manassas4.9 miPop 44,161 · Income $88,966
- 20137Broad Run5.4 miPop 1,734 · Income $147,456
- 20143Catharpin5.7 miPop 744 · Income $178,125
- 20136Bristow6.7 miPop 31,204 · Income $178,098
- 20120Centreville8.2 miPop 42,917 · Income $149,844
- 20110Manassas8.3 miPop 49,452 · Income $120,397
- 20152Chantilly8.5 miPop 36,453 · Income $191,392
- 20198The Plains8.5 miPop 2,178 · Income $81,950
- 20121Centreville8.5 miPop 27,507 · Income $133,024
- 20187Warrenton8.5 miPop 19,428 · Income $166,113
- 20105Aldie10.2 miPop 35,539 · Income $202,775
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 20155, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 20155 FAQ
- What city is ZIP code 20155 in?
- 20155 is in Gainesville, VA.
- What county is 20155 in?
- 20155 is in Prince William County.
- What is the median household income in 20155?
- The median household income in 20155 is $154,531.
- Which ZIP codes are near 20155?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 20155.