San antonio is located in Pasco county Florida with a geographic area of 1.4 square miles. The total population in San antonio is 1,170 with 50.0% male and 50.0% female. Children under age 5 represent 5.8% of the population, under age 18 equal 21.7% of the population and over age 65 is 19.0% of the population. The median household income is $71,750, per capita income is $34,093. There are a total of 447 housing units with 86.6% owner occupied. Education includes 25.1% of residents that are high school graduates and 30.0% with a bachelor's degree or higher. The average temperature in San antonio in the summer is 82 degrees, and in the winter 56 degrees.