Martinsville is located in Illinois. Martinsville, Illinois has a population of 1,211. Martinsville is more family-centric than the surrounding county with 30.48% of the households containing married families with children. The county average for households married with children is 27.44%.
The median household income in Martinsville, Illinois is $44,107. The median household income for the surrounding county is $52,068 compared to the national median of $57,652. The median age of people living in Martinsville is 34.8 years.
The average high temperature in July is 87.8 degrees, with an average low temperature in January of 19.9 degrees. The average rainfall is approximately 43.3 inches per year, with 13.7 inches of snow per year.
