Oswego County's 2026 population is estimated at 119,137, reflecting a 0.35% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Oswego County is the 24th largest county in New York. The 2010 population was 122,141 and has grown -2.46% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.9 years
Female: 41.6 years
Male: 40.4 years
There are 93,677 adults, (21,183 of whom are seniors) in Oswego County.
Female: 58,623 (49.7%)
Male: 59,330 (50.3%)
The racial composition of Oswego County includes 92.03% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 108,555 | 92.03% |
| Two or more races | 5,718 | 4.85% |
| Other race | 1,372 | 1.16% |
| Black or African American | 1,190 | 1.01% |
| Asian | 923 | 0.78% |
| Native American | 156 | 0.13% |
| Native Hawaiian or Pacific Islander | 39 | 0.03% |
Oswego County 's average per capita income is $46,256. Household income levels show a median of $69,183. The poverty rate stands at 16.32%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,118 | $122,511 |
| Families | $86,758 | $103,537 |
| Households | $69,183 | $89,184 |
| Non Families | $41,275 | $57,602 |
Average Income
Median Household Income
Poverty Rate