Rock Island is located in Texas.
Rock Island, Texas 77470has a population of
Rock Island 77470 is
family-centric than the surrounding county with
23.4% of the households
containing married families with children.
The county average for households married with children is 28.1%.
The median household income in Rock Island, Texas 77470 is
The median household income for the surrounding county is $45,262
compared to the national median of $53,482.
The median age of people living in Rock Island 77470 is
Rock Island Weather
The average high temperature in July is 94.3
degrees, with an average low temperature in January of 40.8 degrees.
The average rainfall is approximately 43.6 inches
per year, with 0.1 inches of snow per year.