About Rock Island, WA Real Estate
Information About Rock Island
Rock Island is located in Washington. Rock Island, Washington has a population of 951. Rock Island is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 32%.
The median household income in Rock Island, Washington is $45,235. The median household income for the surrounding county is $49,926 compared to the national median of $50,013. The median age of people living in Rock Island is 38 years.
Rock Island Weather
The average high temperature in July is 86.7 degrees, with an average low temperature in January of 21.8 degrees. The annual precipitation is 8.51.
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