Delaware County, PA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
576,195
Male
279,070
48.4%
Female
297,125
51.6%
Median Age
39.0 yrs
Avg Household Size
2.6
Foreign Born
11.2%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher28.4%
High School or Higher46.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
3.9%
Disability
0.0%
Non-English Home
4.4%
Married
38.8%
Delaware County, PA has a population of 576,195 according to 2023 Census Bureau estimates. The median age is 39.0 years. The largest racial or ethnic group is White at 64.5% of the population. 28.4% of residents hold a bachelor's degree or higher. 11.2% of residents are foreign-born.