West Winfield is a village in the town of Winfield in Herkimer County, New York, United States. The population was 826 at the 2010 census. The village is indirectly named after General Winfield Scott. The village is south of Utica.
An early school in the town, the West Winfield Academy (Mt. Markham), was established in 1850.
The Bonfoy–Barstow House was listed on the National Register of Historic Places in 2011.
According to the United States Census Bureau, the village has a total area of 0.9 square miles (2.3 km2), all of it land.
A branch of the Unadilla River flows through the village.
The village is on US Route 20 at the junction of New York State Route 51.
As of the census of 2000, there were 862 people, 352 households, and 241 families residing in the village. The population density was 959.3 people per square mile (369.8/km²). There were 372 housing units at an average density of 414.0 per square mile (159.6/km²). The racial makeup of the village was 99.65% White, 0.23% Asian and 0.12% Pacific Islander. Hispanic or Latino of any race were 0.12% of the population.