Rock Island Real Estate
Rock Island is located in Washington. Rock Island, Washington has a population of 1,302. Rock Island is less family-centric than the surrounding county with 24.46% of the households containing married families with children. The county average for households married with children is 29.75%.
The median household income in Rock Island, Washington is $48,523. The median household income for the surrounding county is $55,805 compared to the national median of $57,652. The median age of people living in Rock Island is 36.1 years.
Rock Island Map
Rock Island Weather
The average high temperature in July is 87 degrees, with an average low temperature in January of 24.6 degrees. The average rainfall is approximately 10.8 inches per year, with 33.3 inches of snow per year.