Arco is located in Butte county Idaho with a geographic area of 1.1 square miles. The total population in Arco is 758 with 40.6% male and 59.4% female. Children under age 5 represent 8.2% of the population, under age 18 equal 23.4% of the population and over age 65 is 20.1% of the population. The median household income is $21,667, per capita income is $34,436. There are a total of 288 housing units with 67.4% owner occupied. Education includes 27.4% of residents that are high school graduates and 16.0% with a bachelor's degree or higher. The average temperature in Arco in the summer is 64 degrees, and in the winter 24 degrees.
