About 20538 - Washington, District of Columbia
The ZIP code 20538 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 24,449 residents. That's close to the typical population for a ZIP code in District of Columbia (~22,323).
Median household income is about $105,800 (near the District of Columbia average).
This ZIP code sits alongside neighboring areas like Washington within District of Columbia.