Lewis County was created in 1805 from portions of Oneida and Herkimer counties. The county seat is located in Lowville.

The government of Lewis County, New York is composed of the Board of Supervisors, the County Legislature, the County Executive, and the County Clerk.

The Board of Supervisors is the governing body of the county and is composed of nine members, each representing a district. The Board is responsible for setting the county's budget, levying taxes, and making laws.

The County Legislature is composed of 15 members, each representing a district. The Legislature is responsible for enacting laws and ordinances, and for approving the county's budget.

The County Executive is the chief executive of the county and is responsible for overseeing the day-to-day operations of the county government.

The County Clerk is responsible for maintaining records, issuing licenses, and conducting elections.

Major attractions in Lewis County include the Tug Hill Plateau, Salmon River Falls, Independence River Wildlife Management Area, and the Lewis County Historical Society and Museum.

For the most up-to-date and in-depth information, please check the public records links below.