Washington County, PA Population Washington County, PA Population by Year Washington County, PA Population by Gender Washington County, PA Population by Age Washington County, PA Population by Race & Ethnicity Peters township, Washington County, Pennsylvania Population North Strabane Township, Pennsylvania Population Cecil Township, Pennsylvania Population Washington, PA Population Canonsburg, PA Population South Strabane Township, Pennsylvania Population Chartiers Township, Pennsylvania Population Canton township, Washington County, Pennsylvania Population Union township, Washington County, Pennsylvania Population Carroll township, Washington County, Pennsylvania Population

Allenport Amwell township Beallsville Bentleyville Blaine township Buffalo township Burgettstown California Canonsburg Canton township Carroll township Cecil township Centerville Charleroi Chartiers township Claysville Coal Center Cokeburg Cross Creek township Deemston Donegal township Donora Dunlevy East Bethlehem township East Finley township East Washington Elco Ellsworth Fallowfield township Finleyville Green Hills Hanover township Hopewell township Houston Independence township Jefferson township Long Branch Marianna Mcdonald Midway Monongahela Morris township Mount Pleasant township New Eagle North Bethlehem township North Charleroi North Franklin township North Strabane township Nottingham township Peters township Robinson township Roscoe Smith township Somerset township South Franklin township South Strabane township Speers Stockdale Twilight Union township Washington West Bethlehem township West Brownsville West Finley township West Middletown West Pike Run township