20011
ZIP 20011 is in Washington, District of Columbia; area codes 202 and 771; Eastern time. Washington has 271 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- District of Columbia
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- Population
- 67,434
- Coordinates
- 38.9525, -77.0230
Weather right now
Asking the National Weather Service…
Where 20011 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 20011 into a pocket calculator and turn it upside down: IIOOZ — not quite a word, sorry.
- ➕ 20011 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 4, a total 27 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100111000101011 - 🏠 Its numerical neighbours: 20010 (Washington, DC, 1 mi away) and 20012 (Washington, DC, 2 mi away).
- 🔄 Backwards, 20011 becomes 11002 — and that is a real ZIP code: Floral Park, NY, 214 miles away.
- 👥 16 other ZIP codes are made of exactly the same digits (01012, 01021, 01102, 01201, 02110, 10012, …). The farthest-flung twin is 02110 in Boston, MA, 391 miles away.
- 🧭 Farther south than 51% of all ZIP codes, and farther east than 81%.
- 🎯1,150 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20011 and you would come out at 38.95°S, 102.98°E — 870 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
- 📏 At 5.4 square miles of land, 20011 is bigger than 20% of ZIP codes — room for about 4.1 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 67,434This ZIP67,434 |
|---|---|
| Households | 27,774This ZIP27,774 |
| Housing units | 29,874This ZIP29,874 |
| Median age | 38.0This ZIP38.0District of Columbia34.9US 38.9 |
| Median household income | $110,309This ZIP$110,309District of Columbia$109,870US $80,734 |
| Median home value | $723,900This ZIP$723,900District of Columbia$737,100US $332,700 |
| Median gross rent | $1,637This ZIP$1,637District of Columbia$1,954US $1,413 |
| Bachelor's degree or higher | 55.2%This ZIP55.2% |
| Mean commute | 32.0 minThis ZIP32.0 min |
| Population density | 12,573.9 / sq miThis ZIP12,573.9 / sq mi |
Business and tax activity
| Business establishments | 872This ZIP872 |
|---|---|
| Employees | 9,520This ZIP9,520 |
| Annual payroll | $502,481,000This ZIP$502,481,000 |
| Tax returns filed | 36,260This ZIP36,260 |
| Total adjusted gross income | $3,174,308,000This ZIP$3,174,308,000 |
Land area
| Land area | 5.36 sq miThis ZIP5.36 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
Other place names in 20011
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 20011
| ZIP | City | Distance |
|---|---|---|
20542 | Washington, DC | 0.8 mi |
20022 | Washington, DC | 0.9 mi |
20317 | Washington, DC | 1.3 mi |
20010 | Washington, DC | 1.4 mi |
20252 | Washington, DC | 1.6 mi |
20064 | Washington, DC | 1.7 mi |
20012 | Washington, DC | 1.9 mi |
20422 | Washington, DC | 1.9 mi |
20017 | Washington, DC | 1.9 mi |
20913 | Takoma Park, MD | 1.9 mi |
Find every ZIP code within 10 miles of 20011 →
Questions about this ZIP code
Where is ZIP code 20011?
20011 is in Washington, District of Columbia, in District of Columbia, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.9525, -77.0230.
What county is 20011 in?
20011 lies in District of Columbia.
What area code is 20011?
Washington uses area codes 202 and 771, from NANPA's telephone records.
What time zone is 20011 in?
20011 uses America/New_York.
How many people live in 20011?
About 67,434 people live in ZIP code 20011, in 27,774 households, at 12,573.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 20011?
$110,309 a year, against $109,870 across District of Columbia.
What ZIP codes are near 20011?
The closest are 20542 (0.8 mi), 20022 (0.9 mi), 20317 (1.3 mi), 20010 (1.4 mi) and 20252 (1.6 mi).
Is 20011 a PO Box ZIP code?
20011 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20011 ZIP Code — Washington, District of Columbia.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20011
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20011.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.