Visit Oswego County

Oswego County History

Established in 1816 through an act of the New York State Legislature, Oswego County occupies 968 square miles of land on the southeastern shore of Lake Ontario. Rich in natural beauty, the county offers excellent business, educational, and recreational opportunities.

Fort Brewerton Block House

Fort Ontario War Reenactment 2018


Get to Know Oswego County:


History of Oswego County


Oswego County Cemetery Tours and ListingsĀ 


Museums and Historic Sites


Underground Railroad Information




1877 Book History of Oswego County