St. rose is located in St. charles county Louisiana with a geographic area of 6.3 square miles. The total population in St. rose is 6,770 with 49.4% male and 50.6% female. Children under age 5 represent 6.3% of the population, under age 18 equal 25.0% of the population and over age 65 is 12.0% of the population. The median household income is $47,675, per capita income is $26,315. There are a total of 2,630 housing units with 74.4% owner occupied. Education includes 33.3% of residents that are high school graduates and 18.4% with a bachelor's degree or higher. The average temperature in St. rose in the summer is 81 degrees, and in the winter 51 degrees.