THE NIAGARA COUNTY LAND BRIEF
Land in the
Erie/Ontario Lake Plain setting.
Niagara County has 522.3 square miles of land in New York. 2 mapped landscape regions meet across Niagara County: Erie/Ontario Lake Plain, Ontario Lowlands.
Glacially shaped lowlands and irregular plains border the Great Lakes and adjacent hills. The lakes influence regional weather, while local landforms reflect both glacial deposits and former shorelines.
Regional context: Eastern Great Lakes Lowlands ↗ · Regional mapping across the county footprint
Where the landscape changes
Niagara County intersects 2 mapped regional units. The largest mapped shares are:
- Erie/Ontario Lake Plain51.1%
- Ontario Lowlands48.9%
Finding your parcel within Niagara County
The atlas lists 28 cities, towns, townships, and Census communities associated with Niagara County, including Royalton, Hartland, Newfane. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Niagara County by land and water
The Census records 617.3 square miles of water within Niagara County, or 54.2% of its total area. That share is close to Niagara County’s 54.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Niagara County has 642.5 times the land area of nearby Wilson village (0.81 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Erie County, Genesee County, Orleans County within New York. A tract near one of these lines should be matched to the county identifier on its own records.

