About 20408 - Washington, District of Columbia
Located in District of Columbia, the United States is home to the densely populated community of Washington, served by ZIP code 20408. It sits within Washington County County.
Around 44,181 people live in the 20408 ZIP code area. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $104,300 (near the District of Columbia average).
Nearby communities in District of Columbia include Washington.