Smithfield is located in Illinois. Smithfield, Illinois has a population of 175. Smithfield is more family-centric than the surrounding county with 25.93% of the households containing married families with children. The county average for households married with children is 24.56%.
The median household income in Smithfield, Illinois is $53,125. The median household income for the surrounding county is $53,441 compared to the national median of $69,021. The median age of people living in Smithfield is 53.5 years.
The average high temperature in July is 86.5 degrees, with an average low temperature in January of 15.2 degrees. The average rainfall is approximately 40.1 inches per year, with 22.5 inches of snow per year.
