Walnut Hill is located in Illinois. Walnut Hill, Illinois has a population of 150. Walnut Hill is more family-centric than the surrounding county with 74.07% of the households containing married families with children. The county average for households married with children is 26.8%.
The median household income in Walnut Hill, Illinois is $34,250. The median household income for the surrounding county is $53,209 compared to the national median of $69,021. The median age of people living in Walnut Hill is 35.3 years.
The average high temperature in July is 87.5 degrees, with an average low temperature in January of 20.4 degrees. The average rainfall is approximately 43.7 inches per year, with 10.2 inches of snow per year.