Clinton County Through the Years

From its Indigenous beginnings to its emergence as a center for cross-border commerce, Clinton County’s history tells a story of resilience, innovation, and opportunity. Each milestone reflects how the county’s people, location, and spirit of collaboration have shaped its enduring economic strength.

Image of an Iroquois longhouse with animal pelts and campfires outside of it.

Circa Pre-1700s

Indigenous peoples, including those of the Algonquian and Iroquoian groups, used the land for hunting and seasonal settlement.

Late 1700s

European settlers arrive in the Lake Champlain basin, laying out early towns such as Beekmantown and AuSable.

1788

Clinton County was formally established and named for the state’s first Governor, George Clinton.

1814

The Battle of Plattsburgh during the War of 1812, marks a pivotal American victory and enhances the county’s strategic importance.

Aerial view of present day Plattsburgh, NY.

19th century

Railroads, manufacturing, and timber industries grow rapidly; Plattsburgh becomes an industrial and transport hub.

Mid-20th century

The Plattsburgh Air Force Base plays a major role until its 1995 closure, initiating economic transition and redevelopment.

Present

Clinton County leverages its strategic location on I-87, near Montreal, and diverse economy to support global-scale manufacturing, cross-border trade, and redevelopment.