Chester County's estimated 2025 population is 556,076 with a growth rate of 0.57% in the past year according to the most recent United States census data. Chester County is the 7th largest county in Pennsylvania. The 2010 population was 499,935 and has seen a growth of 11.23% since that time.
Data after 2023 is projected based on recent change
The racial composition of Chester County includes 78.38% White, 6.44% Asian, 5.26% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 423,956 | 78.38% |
| Two or more races | 37,794 | 6.99% |
| Asian | 34,812 | 6.44% |
| Black or African American | 28,466 | 5.26% |
| Other race | 15,395 | 2.85% |
| Native American | 326 | 0.06% |
| Native Hawaiian or Pacific Islander | 147 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Chester County's average per capita income is $73,478. Household income levels show a median of $123,041. The poverty rate stands at 5.94%.
Name | Median | Mean |
|---|---|---|
| Married Families | $170,301 | $212,898 |
| Families | $151,769 | $194,186 |
| Households | $123,041 | $165,377 |
| Non Families | $64,295 | $90,625 |
Average Income
Median Household Income
Poverty Rate