Erie County's 2026 population is estimated at 266,844, reflecting a -0.17% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Erie County is the 16th largest county in Pennsylvania. The 2010 population was 280,809 and has grown -4.97% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.2 years
Female: 41.2 years
Male: 39.4 years
There are 213,363 adults, (53,079 of whom are seniors) in Erie County.
Female: 135,359 (50.3%)
Male: 133,693 (49.7%)
The racial composition of Erie County includes 82.74% White, 7.2% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 222,619 | 82.74% |
| Black or African American | 19,375 | 7.2% |
| Two or more races | 17,055 | 6.34% |
| Asian | 5,909 | 2.2% |
| Other race | 3,700 | 1.38% |
| Native American | 369 | 0.14% |
| Native Hawaiian or Pacific Islander | 25 | 0.01% |
Erie County 's average per capita income is $45,829. Household income levels show a median of $63,354. The poverty rate stands at 14.97%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $100,115 | $123,140 |
| Families | $84,125 | $105,076 |
| Households | $63,354 | $85,573 |
| Non Families | $36,172 | $53,232 |
Average Income
Median Household Income
Poverty Rate