|Pennsylvania State Data Center 2010 Population||207,389|
Washington County is ranked the third most populated county in Southwestern Pennsylvania.
Washington County has 242.0 persons per square mile.
Peters Township is the largest municipality in the County with a population of 20,345.
Pennsylvania State Data Center (PaSDC)
|Persons under 5 years old||5.2%|
|Persons under 18 years old||15.8%|
|Persons 65 years old and over||17.4%|
|Black or African American persons||3.2%|
|Persons reporting some other race||2.0%|
|White persons, not of Hispanic/Latino origin||94.8%|
|Persons of Hispanic or Latino origin||0.9%|
Source Pennsylvania State Data Center (PaSDC)