St. helens is located in Columbia county Oregon with a geographic area of 4.8 square miles. The total population in St. helens is 13,779 with 50.5% male and 49.5% female. Children under age 5 represent 7.2% of the population, under age 18 equal 24.7% of the population and over age 65 is 12.2% of the population. The median household income is $57,234, per capita income is $27,990. There are a total of 5,204 housing units with 61.6% owner occupied. Education includes 32.2% of residents that are high school graduates and 15.4% with a bachelor's degree or higher. The average temperature in St. helens in the summer is 68 degrees, and in the winter 35 degrees.
