There are 56 zip codes in Washington County, Pennsylvania. The most populated is 15301, located in Washington. * 2024 populations estimated based on the latest ACS 5-year data.

56 Rows

Zip Code
City
Population
15301Washington50,183
15317Canonsburg43,435
15057McDonald17,440
15063Monongahela10,543
15022Charleroi10,248
15367Venetia9,500
15332Finleyville8,604
15417Brownsville7,886
15021Burgettstown6,699
15330Eighty Four5,539
15342Houston5,138
15033Donora4,622
15312Avella3,972
15323Claysville3,829
15419California3,796
15314Bentleyville3,528
15067New Eagle2,285
15321Cecil1,949
15423Coal Center1,889
15360Scenery Hill1,710
15019Bulger1,552
15333Fredericktown1,543
15376West Alexander1,508
15329Prosperity1,490
15345Marianna1,343
15340Hickory1,293
15055Lawrence1,146
15358Richeyville1,111
15311Amity1,033
15427Daisytown918
15060Midway906
15477Roscoe831
15324Cokeburg767
15331Ellsworth721
15377West Finley669
15363Strabane566
15350Muse521
15078Slovan516
15366Van Voorhis504
15054Langeloth447
15429Denbo444
15313Beallsville422
15368Vestaburg419
15432Dunlevy366
15004Atlasburg316
15434Elco272
15483Stockdale253
15038Elrama248
15412Allenport210
15365Taylorstown200
15361Southview123
15347Meadow Lands102
15379West Middletown71
15053Joffre70
15348Millsboro69
15378Westland0

Washington County, Pennsylvania Zip Codes by Population (2024)