Middleville is a village in Herkimer County, New York, United States.

[2] Middleville sits on both sides of West Canada Creek, the boundary of the towns of Newport and Fairfield.

People settled on the land purchased by Sheffield Kenyon and built houses and industries.

[2] West Canada Creek, a tributary of the Mohawk River, flows through the middle of the village.

NY 28 leads south to Herkimer village and north 8 miles (13 km) to Poland.

The racial makeup of the village was 97.09% White, 1.27% African American, and 1.64% from two or more races.