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


Get to Know Oswego County:

History of Oswego County
Oswego County Cemetery Tours and Listings 
Museums and Historic Sites
Underground Railroad Information
1877 Book History of Oswego County


2019 Oswego County Historical Events


Fort Ontario War Reenactment 2018