Black River is a village in Jefferson County, New York, United States. The population was 1,348 at the 2010 census. The village is on the connect of the towns of Le Ray and Rutland, east of Watertown.

The area was first settled just about 1806 by the erection of a mill on the south side of the Black River. The village was past called “Lockport”, and grew to include both sides of the river as without difficulty as two small river islands.

On February 20, 1890, a large blaze destroyed the issue section of the downtown. Buildings destroyed by the blaze included the Poor Block (which included a three-story building subsequent to an opera house on the third floor); the D.J. Scott and Son Block; the Arthur House (a hotel); Parkinson’s Store (the outdated 1881 declare office); Whipple and Hadsell’s Store; F.H. Dillenbeck’s Tinshop and Hardware Store; A.W. McDowell’s Store; George Graham’s barber shop; the I.O.O.F. Hall and two residential dwellings. The Kennedy Stone house was dreadfully burned, but was cutting edge restored. Having no ember department at the time, the residents of Black River gruffly made plans to organize a ember department cutting edge that year. Black River Fire Company No. 1 was organized September 4, 1890, and incorporated on January 3, 1891. The department was re-incorporated as the Black River Fire Department on February 21, 1940. This department yet provides flare protection for the village, and is one of the oldest constantly operating fire departments in Jefferson County.

The community incorporated as a village in 1891, taking house in the towns of Rutland and Le Ray.