About 20229 - Washington, District of Columbia
Located in District of Columbia, the United States is home to the mid-sized community of Washington, served by ZIP code 20229. It sits within Washington County County.
Washington has a reported population of 14,096. That's below the District of Columbia average of about 22,323 people per ZIP code.
Median household income is about $114,700 (above the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.