Chester County's estimated 2026 population is 559,702 with a growth rate of 0.46% 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 11.95% since that time.
Data after 2023 is projected based on recent change
Overall: 40.8 years
Female: 41.6 years
Male: 40 years
There are 427,396 adults, (97,116 of whom are seniors) in Chester County.
Female: 276,148 (50.4%)
Male: 271,692 (49.6%)
The racial composition of Chester County includes 77.05% White, 6.8% Asian, 5.21% 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 | 422,108 | 77.05% |
| Two or more races | 43,699 | 7.98% |
| Asian | 37,240 | 6.8% |
| Black or African American | 28,542 | 5.21% |
| Other race | 15,503 | 2.83% |
| Native American | 604 | 0.11% |
| Native Hawaiian or Pacific Islander | 144 | 0.03% |
Chester County's average per capita income is $76,477. Household income levels show a median of $127,208. The poverty rate stands at 5.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $173,343 | $216,276 |
| Families | $155,326 | $197,971 |
| Households | $127,208 | $168,861 |
| Non Families | $68,764 | $94,271 |
Average Income
Median Household Income
Poverty Rate