New Lyme is a town in Monroe County, Wisconsin, United States.

As of the census[2] of 2000, there were 141 people, 57 households, and 42 families residing in the town.

There were 80 housing units at an average density of 2.2 per square mile (0.9/km2).

17.5% of all households were made up of individuals, and 3.5% had someone living alone who was 65 years of age or older.

There were 9.4% of families and 13.5% of the population living below the poverty line, including 25.9% of under eighteens and none of those over 64.