ZIP Code 20191

ZIP code 20191 is classified by USPS as a standard delivery area and covers roughly 21.3 square miles in Reston, Fairfax County, Virginia. The area is home to 29,128 residents, producing a population density of 1,367 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 20191 against Virginia and the nation.

On the economic side, the median household income for ZIP 20191 sits at $151,185 (77% above the Virginia average), while per-capita income is $69,229. The poverty rate stands at 5.4% and the unemployment rate at 6.2%. On housing, the median home value is $641,800 (92% above the state average) with median rent at $2,016 per month, and 68.0% of occupied units are owner-occupied, a direct signal of whether 20191 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 67.5% of adults hold a bachelor's degree or higher, the median age is 39.3, and the average commute is 25 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Fairfax County, so you can benchmark 20191 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →