Blue river is located in Summit county Colorado with a geographic area of 2.5 square miles. The total population in Blue river is 918 with 46.4% male and 53.6% female. Children under age 5 represent 7.1% of the population, under age 18 equal 22.8% of the population and over age 65 is 18.3% of the population. The median household income is $133,533, per capita income is $61,725. There are a total of 313 housing units with 82.4% owner occupied. Education includes 8.6% of residents that are high school graduates and 62.6% with a bachelor's degree or higher. The average temperature in Blue river in the summer is 68 degrees, and in the winter 29 degrees.