Rock Island Real Estate
Rock Island is located in Texas. Rock Island, Texas has a population of 239. Rock Island is less family-centric than the surrounding county with 14% of the households containing married families with children. The county average for households married with children is 25%.
The median household income in Rock Island, Texas is $52,321. The median household income for the surrounding county is $57,224 compared to the national median of $66,222. The median age of people living in Rock Island is 44.8 years.
Rock Island Weather
The average high temperature in July is 96.3 degrees, with an average low temperature in January of 36.8 degrees. The average rainfall is approximately 44.75 inches per year, with inches of snow per year.