Oswego County Flag

Oswego County

State:
New York
County Seat:
Oswego

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.

119,137
Total Population
125
Population Density (mi²)
24
Population Rank (State)
416 0.35%
Annual Population Growth

Oswego County Population

Demographics

Economics and Income Statistics