Zip Code 20191 - Virginia
Virginia | United States
| Area of Zip Code 20191 | 8.41 sq mi |
| Population | 32,508 |
| Male Population | 15,837 (48.7%) |
| Female Population | 16,671 (51.3%) |
| Population change from 1975 to 2020 | +75.0% |
| Population change from 2000 to 2020 | +23.5% |
| Median Age | 38.5 years |
| Male Median Age | 37.5 years |
| Female Median Age | 39.4 years |
| Area Codes | 571, 703 |
| Associated Cities | Reston, Virginia |
| Neighborhoods | Reston, Reston Town Center, Reston/Herndon, Sunset Hills |
| Timezone | Eastern Daylight Time |
| Coordinates | 38.93382369547106° / -77.35084137906104° |
| Related Zip Codes | 20180, 20181, 20182, 20190, 20192, 20194, 20195, 20196, 20197, 20198 |
Map of Zip Code 20191 - Virginia
Interactive Map
Zip Code 20191 - Virginia Population
Years 1975 to 2030
| Data | 1975 | 1990 | 2000 | 2015 | 2020 | 2025* | 2030* |
|---|---|---|---|---|---|---|---|
| Population | 18,579 | 22,877 | 26,330 | 30,564 | 32,508 | 33,971 | 35,516 |
| Population Density | 852.7 / km² | 1,050 / km² | 1,208.4 / km² | 1,402.8 / km² | 1,492 / km² | 1,559.1 / km² | 1,630.1 / km² |
* Projected
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up gridRacial demographics for Zip Code 20191 - Virginia
Zip Code 20191 - Virginia Population change from 2000 to 2020
Increase of 23.5% from year 2000 to 2020
| Location | Change since 1975 | Change since 1990 | Change since 2000 |
|---|---|---|---|
| Zip Code 20191 - Virginia | +75% | +42.1% | +23.5% |
| Virginia | +67.6% | +40.6% | +22.5% |
| United States | — | — | — |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Zip Code 20191 - Virginia Median Age
Median Age: 38.5 years
| Location | Median Age | Median Age (Female) | Median Age (Male) |
|---|---|---|---|
| Zip Code 20191 - Virginia | 38.5 yrs | 39.4 yrs | 37.5 yrs |
| Virginia | 37.6 yrs | 38.8 yrs | 36.3 yrs |
| United States | 37.4 yrs | 38.7 yrs | 36.1 yrs |
Sources: CIESIN (Center for International Earth Science Information Network)
Zip Code 20191 Population Density
Population Density: 3,864 / mi²
| Location | Population | Area | Density |
|---|---|---|---|
| Zip Code 20191 | 32,508 | 8.41 sq mi | 3,864 / mi² |
| Virginia | 8.7 million | 42,774.9 sq mi | 204 / mi² |
| United States | 321.6 million | 3,796,740.8 sq mi | 84.7 / mi² |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Zip Code 20191 - Virginia Historical and Projected Population
Estimated Population from 1780 to 2100
Sources:
- JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
- CIESIN (Center for International Earth Science Information Network)
- [Link] Klein Goldewijk, K., Beusen, A., Doelman, J., and Stehfest, E.: Anthropogenic land use estimates for the Holocene – HYDE 3.2, Earth Syst. Sci. Data, 9, 927–953, https://doi.org/10.5194/essd-9-927-2017, 2017.
Area Codes
Percentage Area Codes used by businesses in Zip Code 20191 - Virginia
Stats and Demographics for Zip Code 20191 - Virginia
| Population | 32,508 |
| Households in Zip Code 20191 - Virginia | 11,627 |
| People per Household | 2.54 |
| Average House Value | $220,800 |
| Income per Household | $79,058 |
Business Concentration in Zip Code 20191 - Virginia
Industries
Business Distribution by Industry in Zip Code 20191 - Virginia
| Industry Description | Number of Establishments | Average Age of Business |
|---|---|---|
| Construction of buildings | 29 | 27.5 years |
| Dentists | 199 | 31.5 years |
| Electronics stores | 4 | 22.4 years |
| Lawyers legal | 5 | 25.6 years |
| Shopping | 11 | 23.8 years |
| Businesses | 20,321 |
| Estimated total revenue | ~$6.8B |
| Median revenue per business | ~$820.3K |
| Estimated jobs | 19,072 |
| Estimated payroll | ~$1.4B |
| Industries | Businesses | Total revenue | Median | Jobs |
|---|---|---|---|---|
| Professional, scientific and technical activities | 1,962 | ~$1.9B | ~$2.3M | 4,744 |
| Wholesale and retail trade; repair of motor vehicles and motorcycles | 684 | ~$1.9B | ~$1.6M | 2,985 |
| Human health and social work activities | 852 | ~$386.9M | ~$675.2K | 2,608 |
| Information and communication | 670 | ~$297.8M | ~$4.8M | 1,080 |
| Construction | 402 | ~$232.9M | ~$1.1M | 519 |
| Administrative and support service activities | 922 | ~$225.8M | ~$914.1K | 1,050 |
| Other service activities | 514 | ~$196.1M | ~$414.2K | 726 |
| Real estate activities | 957 | ~$143.9M | ~$643.4K | 474 |
Largest businesses by estimated revenue
- NCI Information Systems Inc — Reston, Virginia · ~$327.2M
- Applied Information Sciences — Reston, Virginia · ~$251.2M
- American Association of Engineering Societies — Reston, Virginia · ~$154.4M
- Cybermedia Technologies Inc — Reston, Virginia · ~$115.0M
- Converged Security Solutions — Reston, Virginia · ~$113.3M
median from the 1,832 of 20,321 businesses with estimates Estimate based on strong signals
Zip Code 20191 - Virginia — Revenue trend
Median business revenue by year
| Year | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|
| Median revenue per business | ~$635.2K | ~$636.4K | ~$711.8K | ~$744.6K | ~$787.8K | ~$835.5K |
Revenue modeled for the same 1,790 businesses across all years. Estimate based on strong signals
Business distribution by price for Zip Code 20191 - Virginia
Human Development Index (HDI)
Statistic composite index of life expectancy, education, and per capita income.
Source: [Link] Kummu, M., Taka, M. &Guillaume, J. Gridded global datasets for Gross Domestic Product and Human Development Index over 1990–2015. Sci Data 5, 180004 (2018) doi:10.1038/sdata.2018.4
Zip Code 20191 - Virginia Gross Domestic Product (GDP)
GDP per capita, PPP (constant 2017 international $)
| Data | 1990 | 1995 | 2000 | 2005 | 2010 | 2015 | 2020 | 2022 |
|---|---|---|---|---|---|---|---|---|
| GDP per capita | $44,961 | $47,314 | $54,810 | $59,053 | $62,150 | $69,515 | $68,007 | $70,915 |
| Total GDP | $3.8B | $4.5B | $5.7B | $6.8B | $7.8B | $9.4B | $9.9B | $10.6B |
Source: [Link] Kummu, M., Kosonen, M. & Masoumzadeh Sayyar, S. Downscaled gridded global dataset for gross domestic product (GDP) per capita PPP over 1990–2022. Sci Data 12, 178 (2025) doi:10.1038/s41597-025-04487-x
Zip Code 20191 CO2 Emissions
Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
| Location | CO2 Emissions | CO2 Emissions Per Capita | CO2 Emissions Intensity |
|---|---|---|---|
| Zip Code 20191 | 637,393 tn | 19.61 tn | 75,767.4 tons/mi² |
| Virginia | 156,721,696 tn | 17.97 tn | 3,663.9 tons/mi² |
| United States | 5,664,619,810 tn | 17.62 tn | 1,492 tons/mi² |
Sources: [Link] Moran, D., Kanemoto K; Jiborn, M., Wood, R., Többen, J., and Seto, K.C. (2018) Carbon footprints of 13,000 cities. Environmental Research Letters DOI: 10.1088/1748-9326/aac72a
Zip Code 20191 CO2 Emissions
| 2013 CO2 emissions (tonnes/year) | 637,393 tn |
| 2013 CO2 emissions (tonnes/year) per capita | 19.61 tn |
| 2013 CO2 emissions intensity (tonnes/mi²/year) | 75,767.4 tons/mi² |
Natural Hazards Risk
Relative risk out of 10
| Hazard | Risk Level |
|---|---|
| Flood | Medium (4) |
* Risk, particularly concerning flood or landslide, may not be for the entire area.
Recent Nearby Earthquakes
Magnitude 3.0 and greater
| Date▼ | Time↕ | Magnitude↕ | Distance↕ | Depth↕ | Location↕ | Link |
|---|---|---|---|---|---|---|
| 1/17/16 | 11:12 AM | 3 | 59.5 km | 4,740 m | 3km NE of Ranson, West Virginia | usgs.gov |
| 7/16/10 | 2:04 AM | 3.6 | 36.6 km | 7,030 m | 1km NW of Germantown, Maryland | usgs.gov |
| 4/9/18 | 6:08 PM | 4.6 | 94.7 km | — | Virginia | usgs.gov |
Source: U.S. Geological Survey (USGS)
About Our Data
The data on this page is estimated using a number of publicly available tools and resources. It is provided without warranty, and could contain inaccuracies. Use at your own risk.