Sadler is located in Grayson county Texas with a geographic area of 0.8 square miles. The total population in Sadler is 490 with 64.1% male and 35.9% female. Children under age 5 represent 3.1% of the population, under age 18 equal 10.8% of the population and over age 65 is 8.0% of the population. The median household income is $47,092, per capita income is $25,001. There are a total of 194 housing units with 36.6% owner occupied. Education includes 18.0% of residents that are high school graduates and 4.1% with a bachelor's degree or higher. The average temperature in Sadler in the summer is 81 degrees, and in the winter 49 degrees.