Grayson county is located in Texas with a geographic area of 979.2 square miles. The total population in Grayson county is 133,527 with 48.8% male and 51.2% female. Children under age 5 represent 6.3% of the population, under age 18 equal 23.7% of the population and over age 65 is 17.8% of the population. The median household income is $58,296, per capita income is $29,157. There are a total of 49,327 housing units with 68.2% owner occupied. Education includes 25.0% of residents that are high school graduates and 22.3% with a bachelor's degree or higher. The average temperature in Grayson county in the summer is 82 degrees, and in the winter 44 degrees.
