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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Gainesville, VA

Gainesville, VA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 20155StandardPrince William29,411
ZIP Code 20156P.O. BoxPrince William0

Timezone(s):Eastern (GMT -05:00)
Population:11,481 (More Details)
Male Population:5,698
Female Population:5,783
Median Age:34
ZIP Codes:2
Area Codes:2
Total Area:348 square miles (county)
Land Area:336 square miles (county)
Water Area:12 square miles (county)

Gainesville, VA Demographic Information *

Total population11,481
Male population5,698
Female population5,783
Median age (years)34.2
White Population7,455
Black Population1,346
Indian Population34
Asian Population1,782
Hawaiian Population7
Hispanic Population1,175
Median age (Male)34
Median age (Female)34.3
Total households3,822
Family households (families)3,038
Average household size3
Average family size3.36
Total housing units3,959
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 11/1/2022],
  2. Internal Data Creation [Last Updated: 11/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],