ZIP code 20171
Where is ZIP code 20171?
Herndon, Virginia
Fairfax County · Standard ZIP code
ZIP code 20171 belongs to Herndon, Virginia in Fairfax County. 20171 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 51,286 people live in the 20171 area, where the median household income is $171,372. The closest ZIP codes are 20191 (Reston, 2.2 mi east), 20172 (Herndon, 3.1 mi north) and 22095 (Herndon, 3.1 mi north).
| ZIP code | 20171 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Herndon |
| Also accepted | Oak Hill |
| State | Virginia (VA) |
| County | Fairfax County |
| Time zone | Eastern Time · now |
| Area codes | 571, 703 |
| Coordinates | 38.9252, -77.3928 map |
| 3-digit prefix | 201 |
Population and income in 20171
| Population | 51,286 · higher than 97% of Virginia ZIP codes |
|---|---|
| People per square mile | 4,415 · higher than 93% of Virginia ZIP codes |
| Median age | 36.2 years · lower than 83% of Virginia ZIP codes |
| Men / women | 52% / 49% |
| Median household income | $171,372 · higher than 95% of Virginia ZIP codes |
| Income per person | $77,217 |
| Below the poverty line | 3.6% |
| Bachelor’s degree or higher | 75% of adults 25+ |
| Median home value | $797,200 · higher than 96% of Virginia ZIP codes |
| Median rent | $2,304 a month |
| Housing units | 19,696 |
| Households | 18,923 (2.7 people on average) |
| Owners / renters | 57% / 43% |
| Land area | 11.62 sq mi (plus 0.08 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20171. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20171
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20191 | Reston, VA | 2.2 mi E | Standard |
| 20172 | Herndon, VA | 3.1 mi N | PO Box only |
| 22095 | Herndon, VA | 3.1 mi N | Unique |
| 22033 | Fairfax, VA | 3.3 mi S | Standard |
| 20190 | Reston, VA | 3.7 mi NE | Standard |
| 20151 | Chantilly, VA | 3.9 mi SW | Standard |
| 20170 | Herndon, VA | 4.3 mi N | Standard |
| 22124 | Oakton, VA | 4.6 mi SE | Standard |
| 20194 | Reston, VA | 4.7 mi NE | Standard |
| 20166 | Sterling, VA | 5.8 mi NW | Standard |
| 20103 | Dulles, VA | 5.8 mi NW | Unique |
| 20163 | Sterling, VA | 5.9 mi N | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20171 or measure the distance to another ZIP code.
How to address mail to 20171
123 MAIN ST
HERNDON VA 20171
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts OAK HILL as the city name for 20171. Adding the 4-digit ZIP+4 code (20171-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Herndon, VA
All Herndon ZIP codes with population and income →
Questions
- What city is ZIP code 20171?
- 20171 is a Herndon, Virginia ZIP code. Oak Hill is also accepted as the city name.
- What county is 20171 in?
- ZIP code 20171 is in Fairfax County, Virginia.
- What time zone is ZIP code 20171 in?
- 20171 is in the Eastern Time zone (America/New_York).
- What area code is 20171?
- Phone numbers in ZIP code 20171 use area codes 571 and 703.
- What is the population of ZIP code 20171?
- About 51,286 people live in ZIP code 20171, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20171?
- The median household income in 20171 is $171,372 a year, higher than 95% of Virginia ZIP codes.
- What ZIP codes are near 20171?
- The nearest ZIP codes to 20171 are 20191 (Reston, 2.2 miles), 20172 (Herndon, 3.1 miles), 22095 (Herndon, 3.1 miles) and 22033 (Fairfax, 3.3 miles).