Nilwood is located in Illinois. Nilwood, Illinois has a population of 234. Nilwood is less family-centric than the surrounding county with 24.29% of the households containing married families with children. The county average for households married with children is 29.19%.
The median household income in Nilwood, Illinois is $45,417. The median household income for the surrounding county is $53,890 compared to the national median of $57,652. The median age of people living in Nilwood is 51.9 years.
The average high temperature in July is 86.9 degrees, with an average low temperature in January of 21.1 degrees. The average rainfall is approximately 39.1 inches per year, with 19.7 inches of snow per year.