About 20590 - Washington, District of Columbia
The ZIP code 20590 of Washington falls within District of Columbia, the United States - a mid-sized area by population. It sits within Washington County County.
Census data puts the population of this ZIP code at 12,272 residents. That's below the District of Columbia average of about 22,323 people per ZIP code.
Median household income is about $101,900 (near the District of Columbia average).
This ZIP code sits alongside neighboring areas like Washington within District of Columbia.