
Jefferson County Fair
Watertown, NY
Welcome to the Jefferson County Fair!
The longest continuously operating fair in the USA!


2025 Fair Sponsors



Sponsors:
Standard Auto
Pepsi
Delaval
N and k parks
E and V Energy
Tractor Supply
Shawn Granger
Jefferson County
Equipment Rental
State Street Hardware
Gold Star Feed and Grain
Watertown Garden Center
Tug Edge Outdoor and More
Jefferson County Economic Development
Walmart
Agrimark
Town of Leray
Oswego County
Stewarts Shops
Reithoffer Shows
Town of Watertown
Adam's County Club
Watertown Savings Bank
A Cut Above Landscaping
Kinney Drugs
Price Chopper / Market 32
New North Alliance
Carthage Area Hospital
North County Orthopedic Group
Adirondack Efficiency
State CS Employee Federal Credit Union
Moose Joose
Sea Comm Credit Union
Slapping Cheese Steaks
Gouverneur Savings and Loan
Kraft Foods and Heinz
Topps Frenindly Market
John Deere S & N partners
Victory Promotion
Northern Federal Credit Union Kyle Thomas Property Management
United rental
Champlain Valley Equipment
NNY Property Management
Rudds Town and Country.
Runnings
Samaritan Medical
Knowlton Technology
Walgreens