About 20090 - Washington, District of Columbia
The ZIP code 20090 of Washington falls within District of Columbia, the United States - a densely populated area by population. It sits within Washington County County.
Census data puts the population of this ZIP code at 44,894 residents. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $106,900 (near the District of Columbia average).
Nearby communities in District of Columbia include Washington.