About 20411 - Washington, District of Columbia
The ZIP code 20411 of Washington falls within District of Columbia, the United States - a mid-sized area by population. It sits within Washington County County.
Around 36,489 people live in the 20411 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 $91,100 (near the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.