New Salem is a village in Pike County, Illinois, United States.

[3] According to the 2010 census, the village has a total area of 1.05 square miles (2.7 km2), all land.

There were 67 housing units at an average density of 64.3 per square mile (24.8/km2).

22.6% of all households were made up of individuals, and 15.1% had someone living alone who was 65 years of age or older.

There were 21.6% of families and 24.7% of the population living below the poverty line, including 47.1% of under eighteens and 4.2% of those over 64.