Rock Island is located in Tennessee. Rock Island, Tennessee 38581has a population of 4,649. Rock Island 38581 is less family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 28%.
The median household income in Rock Island, Tennessee 38581 is $43,962. The median household income for the surrounding county is $43,524 compared to the national median of $66,222. The median age of people living in Rock Island 38581 is 43.8 years.
The average high temperature in July is 87.3 degrees, with an average low temperature in January of 29.3 degrees. The annual precipitation is 53.65.