Greenwood is a village in McHenry County, Illinois, United States.

[2] According to the 2010 census, Greenwood has a total area of 1.86 square miles (4.82 km2), all land.

There were 86 housing units at an average density of 55.2 per square mile (21.3/km2).

16.7% of all households were made up of individuals, and 4.8% had someone living alone who was 65 years of age or older.

About 3.2% of families and 7.2% of the population were below the poverty line, including 11.8% of those under the age of eighteen and none of those 65 or over.