Nichols hills is located in Oklahoma county Oklahoma with a geographic area of 2.0 square miles. The total population in Nichols hills is 3,910 with 47.0% male and 53.0% female. Children under age 5 represent 8.9% of the population, under age 18 equal 26.7% of the population and over age 65 is 18.0% of the population. The median household income is $171,705, per capita income is $128,034. There are a total of 1,548 housing units with 91.3% owner occupied. Education includes 4.2% of residents that are high school graduates and 80.9% with a bachelor's degree or higher. The average temperature in Nichols hills in the summer is 80 degrees, and in the winter 42 degrees.