Miami is located in Roberts county Texas with a geographic area of 1.2 square miles. The total population in Miami is 439 with 49.7% male and 50.3% female. Children under age 5 represent 1.6% of the population, under age 18 equal 23.0% of the population and over age 65 is 22.8% of the population. The median household income is $61,012, per capita income is $26,806. There are a total of 197 housing units with 90.9% owner occupied. Education includes 40.6% of residents that are high school graduates and 25.9% with a bachelor's degree or higher. The average temperature in Miami in the summer is 77 degrees, and in the winter 49 degrees.