Postal Codes

20191 ZIP Code

Advertisement

English Español

ZIP code 20191 covers Reston, Virginia, with a population of about 30,077 and a median household income of $141,019.

Population
30,0773,878 per square mile
Median age
39.50.8 points above the US average
Median household income
$141,0191.6× the Virginia median
Poverty rate
5.3%7.1 points below the US average
Typical home value
$620,649up 17.2% in five years
Median rent
$1,9831.3× the Virginia median
Degree or higher
65.9%30.9 points above the US average
Homeownership
69.4%4.4 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
978

Where 20191 is

Reston, Virginia — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population30,077
Median age39.5
Family households64.7%
Born outside the US29.6%
Speaks a language other than English at home35.1%
White (non-Hispanic)55.2%
Black (non-Hispanic)9%
Asian (non-Hispanic)12.3%
Hispanic or Latino17.6%
Veterans5.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$141,019
Income per person$68,985
Poverty rate5.3%
Households on SNAP or cash assistance5.4%

Household income distribution

Under $10k3.2%
$10–15k1.4%
$15–20k1.5%
$20–25k0.9%
$25–30k1.5%
$30–35k1.1%
$35–40k2.3%
$40–45k0.5%
$45–50k2.1%
$50–60k4.2%
$60–75k5.2%
$75–100k8.8%
$100–125k10.8%
$125–150k10.2%
$150–200k16.7%
$200k or more29.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed16,320
Mean adjusted gross income$136,420
Returns declaring $200,000 or more18.4%
Returns, under $25k18.9%
Returns, $25k–$50k15.1%
Returns, $50k–$75k12.7%
Returns, $75k–$100k10.4%
Returns, $100k–$200k24.5%
Returns, $200k or more18.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$616,700
Median gross rent$1,983
Rent as a share of household income27%
Owner-occupied69.4%
Vacant homes5.8%
Median year built1978

What the homes are

Detached house29.1%
Attached house34.6%
2 to 4 units3.1%
5 to 19 units18.7%
20 or more units14.4%
Boat, RV or van0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$620,649as of 2026-07
Typical home value, 1 yeardown 0.1%
Typical home value, 5 yearsup 17.2%
Typical home value, 10 yearsup 48.2%
Typical asking rent$2,554as of 2026-07
Typical asking rent, 1 yearup 1.4%
Typical asking rent, 5 yearsup 30.6%
Typical asking rent, 10 yearsup 57.3%
Typical home value since 2000
200020132026$620,994$171,162

$171,162 in 2000 to $620,649 in 2026.

Typical asking rent
201520202026$2,554$1,623

$1,631 in 2015 to $2,554 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.1%
Bachelor's degree or higher65.9%
High school diploma or higher93.1%
Works from home27.8%
Drives to work alone52.7%
Takes public transport6.4%
Commutes 45 minutes or more17.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity25.4% 8 pts below the national average of 33.4%
Diagnosed diabetes10.1% 1.9 pts below the national average of 12%
Currently smokes8.4% 4.8 pts below the national average of 13.2%
High blood pressure29.5% 4.6 pts below the national average of 34.1%
Fair or poor general health14% 6.3 pts below the national average of 20.3%
No health insurance (18–64)8.1% 3.2 pts below the national average of 11.3%
Depression19.9% 2 pts below the national average of 21.9%
No leisure-time physical activity18.9% 6.5 pts below the national average of 25.4%
Arthritis22.3% 2.8 pts below the national average of 25.1%
Binge drinking14.8% 1.2 pts below the national average of 16%
Taking blood pressure medication75.4% 0.7 pts above the national average of 74.7%
Cancer (non-skin)7.8% same as the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year77.6% 0.9 pts above the national average of 76.7%
Cholesterol screening89.2% 3.3 pts above the national average of 85.9%
Cognitive disability11.3% 3.5 pts below the national average of 14.8%
Colorectal screening68.4% 4.1 pts above the national average of 64.3%
COPD4.3% 2.3 pts below the national average of 6.6%
Visited a dentist73.1% 11.8 pts above the national average of 61.3%
Any disability23.5% 7.2 pts below the national average of 30.7%
Lacks emotional support20.2% 4.6 pts below the national average of 24.8%
Food insecurity9.9% 7.2 pts below the national average of 17.1%
Received food stamps7.1% 7.2 pts below the national average of 14.3%
Hearing disability5.3% 1.4 pts below the national average of 6.7%
High cholesterol37.3% 1.1 pts above the national average of 36.2%
Housing insecurity8.6% 5.2 pts below the national average of 13.8%
Independent living disability5.7% 2.7 pts below the national average of 8.4%
Lacks transport5.8% 3.4 pts below the national average of 9.2%
Loneliness32% 2.4 pts below the national average of 34.4%
Mammography use80.9% 5 pts above the national average of 75.9%
Poor mental health (14+ days)12.9% 3.9 pts below the national average of 16.8%
Mobility disability9.8% 4.2 pts below the national average of 14%
Poor physical health (14+ days)10.6% 2.9 pts below the national average of 13.5%
Self-care disability2.5% 1.5 pts below the national average of 4%
Utility shut-off threat5.4% 3.4 pts below the national average of 8.8%
Sleeps under 7 hours34.4% 2 pts below the national average of 36.4%
Stroke2.5% 0.9 pts below the national average of 3.4%
All natural teeth lost4.9% 8.1 pts below the national average of 13%
Vision disability3.7% 1.9 pts below the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments978
People employed33,450
Annual payroll$3,728,841,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 19% of US census tracts
FEMA ratingVery Low to Relatively Low across the 8 census tracts this ZIP code covers
Expected annual loss23.1 out of 100
Community resilience47 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane71.7Relatively Low at its worst in this ZIP code
Winter weather68.5Relatively High at its worst in this ZIP code
Hail62.1Relatively Moderate at its worst in this ZIP code
Landslide58.8Very Low at its worst in this ZIP code
Lightning52.1Relatively Moderate at its worst in this ZIP code
Heat wave50.3Relatively Moderate at its worst in this ZIP code
Earthquake49.9Relatively Low at its worst in this ZIP code
Strong wind46.9Relatively Moderate at its worst in this ZIP code
River flooding36.4Relatively Moderate at its worst in this ZIP code
Wildfire35.1Very Low at its worst in this ZIP code
Cold wave32.1Relatively Low at its worst in this ZIP code
Ice storm29.6Relatively Low at its worst in this ZIP code
Tornado16.3Very Low at its worst in this ZIP code
Compared with Virginia and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPVirginiaUnited States
Median household income$141,019$90,974$78,538
Income per person$68,985$49,217$43,289
Poverty rate5.3%9.9%12.4%
Median home value$616,700$360,700$303,400
Median gross rent$1,983$1,514$1,348
Homeownership69.4%67.2%65%
Bachelor's degree or higher65.9%41.5%35%
Unemployment rate5.1%4.3%5.2%
Works from home27.8%16.2%13.5%
Born outside the US29.6%12.9%13.9%
Median age39.538.838.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationVIENNA, VA US7 km away
Rain in a year44 in
Snow in a year18 in

Average high and low by month

January42.3°F / 23.4°F3.28 in rain, 6.5 in snow
February45.3°F / 24.3°F2.62 in rain, 7.5 in snow
March53.3°F / 31.6°F3.84 in rain, 2 in snow
April64.8°F / 41.2°F3.39 in rain
May71.6°F / 52.1°F4.28 in rain
June79.5°F / 61°F4.13 in rain
July83.8°F / 66.6°F4.26 in rain
August82.4°F / 64.9°F3.54 in rain
September75.9°F / 57.1°F4.16 in rain
October65.4°F / 45.2°F3.51 in rain
November55.8°F / 34.6°F3.13 in rain, 0.1 in snow
December46.2°F / 28.3°F3.43 in rain, 2.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket49% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Fairfax County Public Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability26more vulnerable than 26% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics39more vulnerable than 39% of US census tracts
Racial and ethnic minority status53more vulnerable than 53% of US census tracts
Housing type and transport27more vulnerable than 27% of US census tracts
Walkability12.2 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

20190 Reston, VA3.4 km away
20171 Herndon, VA3.5 km away
20172 Herndon, VA5.1 km away
22095 Herndon, VA5.1 km away
20194 Reston, VA5.5 km away
22124 Oakton, VA5.8 km away
20170 Herndon, VA5.9 km away
22181 Vienna, VA6.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Fairfax County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.76 sq mi
Water area0.17 sq mi
Population density3,878 people per sq mi
Latitude, longitude38.9318, -77.3527

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement