Mckinney is located in Collin county Texas with a geographic area of 67.0 square miles. The total population in Mckinney is 191,197 with 49.0% male and 51.0% female. Children under age 5 represent 7.0% of the population, under age 18 equal 28.8% of the population and over age 65 is 10.6% of the population. The median household income is $100,775, per capita income is $42,746. There are a total of 65,065 housing units with 65.6% owner occupied. Education includes 12.6% of residents that are high school graduates and 52.3% with a bachelor's degree or higher. The average temperature in Mckinney in the summer is 81 degrees, and in the winter 49 degrees.
