Grayville is located in Illinois. Grayville, Illinois has a population of 1,554. Grayville is more family-centric than the surrounding county with 25.7% of the households containing married families with children. The county average for households married with children is 23.64%.
The median household income in Grayville, Illinois is $48,155. The median household income for the surrounding county is $51,351 compared to the national median of $69,021. The median age of people living in Grayville is 40.5 years.
The average high temperature in July is 88 degrees, with an average low temperature in January of 22.8 degrees. The average rainfall is approximately 47 inches per year, with 11 inches of snow per year.
