THE GENESEE COUNTY LAND BRIEF
Land in the
Ontario Lowlands setting.
Genesee County has 493 square miles of land in New York. 3 mapped landscape regions meet across Genesee County: Ontario Lowlands, Cattaraugus Hills, Erie/Ontario Lake Plain.
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
Genesee County intersects 3 mapped regional units. The largest mapped shares are:
- Ontario Lowlands95.4%
- Cattaraugus Hills4%
- Erie/Ontario Lake Plain0.6%
Northern Allegheny Plateau in Genesee County
Rolling hills, broad valleys and low mountains are mantled by glacial deposits. Sandstone, shale and siltstone underlie a mix of open land and woodland across the northern plateau.
Read the regional source ↗Finding your parcel within Genesee County
The atlas lists 22 cities, towns, townships, and Census communities associated with Genesee County, including Batavia, Darien, Alabama. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Genesee County by land and water
The Census records 2.37 square miles of water within Genesee County, or 0.5% of its total area. That share is close to Genesee County’s 0.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Genesee County has 94.9 times the land area of nearby Batavia city (5.2 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Erie County, Livingston County, Monroe County, Niagara County, Orleans County, Wyoming County within New York. A tract near one of these lines should be matched to the county identifier on its own records.

