Washington County, Maryland

Browse all ZIP codes in Washington County, Maryland. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 154,302
Median Household Income $78,875
Median Age 41.1
Unemployment Rate 4.8%
Poverty Rate 12.5%
ZIP Codes 18

Largest ZIP Codes in Washington County

ZIP Code City Population Median Income
21740Hagerstown62,760$57,150
21742Hagerstown34,549$80,306
21713Boonsboro9,999$96,555
21783Smithsburg9,866$94,432
21795Williamsport9,772$84,833

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Washington County