Eagarville is a village in Macoupin County, Illinois, United States.

As of the census[5] of 2000, there were 128 people, 45 households, and 34 families residing in the village.

There were 52 housing units at an average density of 55.9 per square mile (21.6/km2).

22.2% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older.

There were 7.1% of families and 4.2% of the population living below the poverty line, including no under eighteens and none of those over 64.