ZIP code 20191
Where is ZIP code 20191?
Reston, Virginia
Fairfax County · Standard ZIP code
ZIP code 20191 belongs to Reston, Virginia in Fairfax County. 20191 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 571 and 703. About 31,011 people live in the 20191 area, where the median household income is $151,185. The closest ZIP codes are 20190 (Reston, 2.1 mi north), 20171 (Herndon, 2.2 mi west) and 20172 (Herndon, 3.2 mi northwest).
| ZIP code | 20191 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Reston |
| Also accepted | Herndon |
| State | Virginia (VA) |
| County | Fairfax County |
| Time zone | Eastern Time · now |
| Area codes | 571, 703 |
| Coordinates | 38.9318, -77.3527 map |
| 3-digit prefix | 201 |
Population and income in 20191
| Population | 31,011 · higher than 90% of Virginia ZIP codes |
|---|---|
| People per square mile | 3,998 · higher than 92% of Virginia ZIP codes |
| Median age | 39.3 years · lower than 69% of Virginia ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $151,185 · higher than 92% of Virginia ZIP codes |
| Income per person | $69,229 |
| Below the poverty line | 5.4% |
| Bachelor’s degree or higher | 68% of adults 25+ |
| Median home value | $641,800 · higher than 90% of Virginia ZIP codes |
| Median rent | $2,016 a month |
| Housing units | 13,006 |
| Households | 12,163 (2.55 people on average) |
| Owners / renters | 68% / 32% |
| Land area | 7.76 sq mi (plus 0.17 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20191. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20191
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20190 | Reston, VA | 2.1 mi N | Standard |
| 20171 | Herndon, VA | 2.2 mi W | Standard |
| 20172 | Herndon, VA | 3.2 mi NW | PO Box only |
| 22095 | Herndon, VA | 3.2 mi NW | Unique |
| 20194 | Reston, VA | 3.4 mi N | Standard |
| 22124 | Oakton, VA | 3.6 mi SE | Standard |
| 20170 | Herndon, VA | 3.7 mi N | Standard |
| 22033 | Fairfax, VA | 3.8 mi S | Standard |
| 22181 | Vienna, VA | 4.2 mi SE | Standard |
| 22182 | Vienna, VA | 4.7 mi E | Standard |
| 22066 | Great Falls, VA | 5.5 mi NE | Standard |
| 20151 | Chantilly, VA | 5.9 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20191 or measure the distance to another ZIP code.
How to address mail to 20191
123 MAIN ST
RESTON VA 20191
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts HERNDON as the city name for 20191. Adding the 4-digit ZIP+4 code (20191-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Reston, VA
All Reston ZIP codes with population and income →
Questions
- What city is ZIP code 20191?
- 20191 is a Reston, Virginia ZIP code. Herndon is also accepted as the city name.
- What county is 20191 in?
- ZIP code 20191 is in Fairfax County, Virginia.
- What time zone is ZIP code 20191 in?
- 20191 is in the Eastern Time zone (America/New_York).
- What area code is 20191?
- Phone numbers in ZIP code 20191 use area codes 571 and 703.
- What is the population of ZIP code 20191?
- About 31,011 people live in ZIP code 20191, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20191?
- The median household income in 20191 is $151,185 a year, higher than 92% of Virginia ZIP codes.
- What ZIP codes are near 20191?
- The nearest ZIP codes to 20191 are 20190 (Reston, 2.1 miles), 20171 (Herndon, 2.2 miles), 20172 (Herndon, 3.2 miles) and 22095 (Herndon, 3.2 miles).