Mercer County, PA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
109,852
Male
54,465
49.6%
Female
55,387
50.4%
Median Age
45.2 yrs
Avg Household Size
2.2
Foreign Born
1.7%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher18.0%
High School or Higher47.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
7.0%
Disability
0.0%
Non-English Home
6.2%
Married
42.8%
Mercer County, PA has a population of 109,852 according to 2023 Census Bureau estimates. The median age is 45.2 years. The largest racial or ethnic group is White at 89.0% of the population. 18.0% of residents hold a bachelor's degree or higher. 1.7% of residents are foreign-born.