Greenwich is a village in Huron County, Ohio, United States.

A post office called Greenwich was established in 1828 and the municipality was incorporated as a village in 1879.

There were 632 housing units at an average density of 468.1 per square mile (180.7/km2).

25.3% of all households were made up of individuals, and 12.1% had someone living alone who was 65 years of age or older.

As of the census[4] of 2000, there were 1,525 people, 579 households, and 412 families living in the village.

There were 610 housing units at an average density of 449.6 per square mile (173.6/km2).

23.7% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older.