McKean County's 2026 population is estimated at 38,679, reflecting a -0.78% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). McKean County is the 53rd largest county in Pennsylvania. The 2010 population was 43,347 and has grown -10.77% since 2010.
Overall: 44 years
Female: 46.4 years
Male: 42.5 years
There are 32,180 adults, (8,390 of whom are seniors) in McKean County.
Female: 19,155 (48%)
Male: 20,749 (52%)
The racial composition of McKean County includes 92.86% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 37,055 | 92.86% |
| Two or more races | 1,379 | 3.46% |
| Black or African American | 902 | 2.26% |
| Asian | 285 | 0.71% |
| Other race | 264 | 0.66% |
| Native American | 19 | 0.05% |
McKean County 's average per capita income is $44,399. Household income levels show a median of $62,905. The poverty rate stands at 13.7%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,057 | $102,110 |
| Families | $79,819 | $90,343 |
| Households | $62,905 | $79,484 |
| Non Families | $36,295 | $55,933 |
Average Income
Median Household Income
Poverty Rate