THE NEW YORK COUNTY LAND BRIEF
Land in the
Southern New England Coastal Plains and Hills setting.
New York County has 22.7 square miles of land in New York. 4 mapped landscape regions meet across New York County: Southern New England Coastal Plains and Hills, Long Island Sound Coastal Lowland, Glaciated Triassic Lowlands, among others.
Irregular plains and low hills form a coastal transition with glacial lakes and oak-pine woodland. This northeastern landscape is gentler than the mountainous country farther inland.
Regional context: Northeastern Coastal Zone ↗ · Regional mapping across the county footprint
Where the landscape changes
New York County intersects 4 mapped regional units. The largest mapped shares are:
- Southern New England Coastal Plains and Hills94.2%
- Long Island Sound Coastal Lowland5.2%
- Glaciated Triassic Lowlands0.4%
- Trap Rock and Conglomerate Uplands0.2%
Northern Piedmont in New York County
Rounded low hills, open valleys and irregular plains form a transition between Appalachian highlands and the coastal plain. The underlying geology mixes metamorphic, igneous and sedimentary rocks.
Read the regional source ↗Finding your parcel within New York County
The atlas lists 1 cities, towns, townships, and Census communities associated with New York County, including New York. The list includes overlapping geography types and does not divide the county into exclusive service areas.
New York County by land and water
The Census records 11.2 square miles of water within New York County, or 33.1% of its total area. That share is close to New York County’s 33.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, New York County has 7.5% of the land area of nearby New York city (300.5 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bronx County, Kings County, Queens County within New York. A tract near one of these lines should be matched to the county identifier on its own records.