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MapMap ViewRock Island, TX 77470 has a population of approximately 399 and experiences a population change rate of 26.67%. The population density is 14 / sq mi .
The median household income for Rock Island, TX 77470 is $44,020, with 178 households and an average household size of 2.57.
The median value of a home in Rock Island, TX 77470 is $112,600 with an appreciation rate of 21.60%. 45.98% of housing in the state is owned while 11.25% is rented.
The cost of living in Rock Island, TX 77470 is 74.1 %.
The unemployment rate in Rock Island, TX 77470 is 3.20%, and recent job growth is at 1.90%. Future job growth is projected at 45.30%.
The sales tax rate in Rock Island, TX 77470 is 6.75%, while the income tax rate is 0.00% .
School expenditures in Rock Island, TX 77470 are $14,812, and the school ratio is 12.7:1.
The average high temperature in July is 93.9 degrees, with an average low temperature in January of 41 degrees. The average rainfall is approximately 43 inches per year, with 0 inches of snow per year.
