Greigsville, New York
Census-designated place
Greigsville Show map of New York Greigsville Show map of the United States
Coordinates: 42°49′50″N 77°53′49″W / 42.83056°N 77.89694°W / 42.83056; -77.89694
Country	United States
State	New York
County	Livingston
Town	York
Area [1]
• Total	0.71 sq mi (1.84 km2)
• Land	0.71 sq mi (1.84 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation	751 ft (229 m)
Population  (2020)
• Total	191
• Density	269.01/sq mi (103.80/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
Area code	585
GNIS feature ID	951801[2]
FIPS code	36-30807

Greigsville is a hamlet and census-designated place (CDP) in the town of York, Livingston County, New York, United States. Its population was 209 as of the 2010 census.^[3] The community is located at the intersection of New York State Route 36 and New York State Route 63.

Greigsville is in northwestern Livingston County, in the southern part of the town of York. It is bordered to the south by Wadsworth, and Retsof is less than 1 mile (1.6 km) to the east. State Route 36 leads north 3 miles (5 km) to York hamlet and south 4 miles (6 km) to Leicester, while SR 63 leads southeast 5.5 miles (8.9 km) to Geneseo, the Livingston county seat, and northwest 19 miles (31 km) to Batavia.

According to the U.S. Census Bureau, the Greigsville CDP has an area of 0.71 square miles (1.8 km²), all land.^[4] The northeast border of the CDP follows Bidwells Creek, an eastward-flowing tributary of the Genesee River.