20018
ZIP 20018 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
- 19,562
- Coordinates
- 38.9266, -76.9744
Weather right now
Asking the National Weather Service…
Where 20018 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 20018 into a pocket calculator and turn it upside down: BIOOZ — not quite a word, sorry.
- ➕ As a number, 20,018 = 2 × 10009. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100111000110010 - 🏠 Its numerical neighbours: 20017 (Washington, DC, 1 mi away) and 20019 (Washington, DC, 3 mi away).
- 🔄 Backwards, 20018 becomes 81002 — and that is a real ZIP code: Pueblo, CO, 1,487 miles away.
- 👥 35 other ZIP codes are made of exactly the same digits (00821, 01028, 01082, 02018, 02081, 02108, …). The farthest-flung twin is 00821 in Christiansted, VI, 1,639 miles away.
- 🧭 Farther south than 51% of all ZIP codes, and farther east than 82%.
- 🎯1,153 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20018 and you would come out at 38.93°S, 103.03°E — 867 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
- 📏 At 3.0 square miles of land, 20018 is bigger than 14% of ZIP codes — room for about 2.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 19,562This ZIP19,562 |
|---|---|
| Households | 9,021This ZIP9,021 |
| Housing units | 9,826This ZIP9,826 |
| Median age | 39.6This ZIP39.6District of Columbia34.9US 38.9 |
| Median household income | $90,639This ZIP$90,639District of Columbia$109,870US $80,734 |
| Median home value | $697,000This ZIP$697,000District of Columbia$737,100US $332,700 |
| Median gross rent | $1,295This ZIP$1,295District of Columbia$1,954US $1,413 |
| Bachelor's degree or higher | 44.8%This ZIP44.8% |
| Mean commute | 33.3 minThis ZIP33.3 min |
| Population density | 6,481.8 / sq miThis ZIP6,481.8 / sq mi |
Business and tax activity
| Business establishments | 478This ZIP478 |
|---|---|
| Employees | 10,789This ZIP10,789 |
| Annual payroll | $716,990,000This ZIP$716,990,000 |
| Tax returns filed | 10,200This ZIP10,200 |
| Total adjusted gross income | $895,879,000This ZIP$895,879,000 |
Land area
| Land area | 3.02 sq miThis ZIP3.02 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Other place names in 20018
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 20018
| ZIP | City | Distance |
|---|---|---|
20712 | Mount Rainier, MD | 1.2 mi |
20017 | Washington, DC | 1.3 mi |
20376 | Washington Navy Yard, DC | 1.3 mi |
20722 | Brentwood, MD | 1.4 mi |
20064 | Washington, DC | 1.5 mi |
20002 | Washington, DC | 1.6 mi |
20422 | Washington, DC | 1.9 mi |
20417 | Washington, DC | 2.2 mi |
20317 | Washington, DC | 2.2 mi |
20781 | Hyattsville, MD | 2.4 mi |
Find every ZIP code within 10 miles of 20018 →
Questions about this ZIP code
Where is ZIP code 20018?
20018 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 38.9266, -76.9744.
What county is 20018 in?
20018 lies in District of Columbia.
What area code is 20018?
Washington uses area codes 202 and 771, from NANPA's telephone records.
What time zone is 20018 in?
20018 uses America/New_York.
How many people live in 20018?
About 19,562 people live in ZIP code 20018, in 9,021 households, at 6,481.8 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 20018?
$90,639 a year, against $109,870 across District of Columbia.
What ZIP codes are near 20018?
The closest are 20712 (1.2 mi), 20017 (1.3 mi), 20376 (1.3 mi), 20722 (1.4 mi) and 20064 (1.5 mi).
Is 20018 a PO Box ZIP code?
20018 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20018 ZIP Code — Washington, District of Columbia.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20018
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20018.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.