Niagara County is located in the western part of New York State, along the Niagara River and Lake Ontario. It is part of the Buffalo-Niagara Falls metropolitan area. The county seat is Lockport.

The county government is composed of a Board of Supervisors, which is the legislative body, and an Executive, which is the administrative body. The Board of Supervisors is composed of 19 members, each representing a district. The Executive is composed of the County Manager, the County Clerk, the Sheriff, and the District Attorney.

The county is home to Niagara Falls State Park, the oldest state park in the United States. It is also home to the Niagara Falls International Airport, the Niagara County Fairgrounds, and the Niagara County Community College.

The county is served by the Niagara Frontier Transportation Authority, which provides public transportation throughout the county. The county is also served by the Niagara County Sheriff's Office, which is responsible for law enforcement in the county.

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