Castroville is located in Medina county Texas with a geographic area of 2.9 square miles. The total population in Castroville is 3,097 with 44.1% male and 55.9% female. Children under age 5 represent 5.4% of the population, under age 18 equal 24.1% of the population and over age 65 is 19.1% of the population. The median household income is $61,375, per capita income is $28,376. There are a total of 1,113 housing units with 76.9% owner occupied. Education includes 21.4% of residents that are high school graduates and 38.4% with a bachelor's degree or higher. The average temperature in Castroville in the summer is 83 degrees, and in the winter 49 degrees.
