About 20506 - Washington, District of Columbia
The ZIP code 20506 of Washington falls within District of Columbia, the United States - a mid-sized area by population. It sits within Washington County County.
Washington has a reported population of 33,670. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $110,900 (near the District of Columbia average).
This ZIP code sits alongside neighboring areas like Washington within District of Columbia.