Monaca is located in Beaver county Pennsylvania with a geographic area of 2.0 square miles. The total population in Monaca is 5,466 with 47.6% male and 52.4% female. Children under age 5 represent 4.8% of the population, under age 18 equal 22.0% of the population and over age 65 is 17.9% of the population. The median household income is $39,690, per capita income is $26,183. There are a total of 2,544 housing units with 57.1% owner occupied. Education includes 41.9% of residents that are high school graduates and 23.5% with a bachelor's degree or higher. The average temperature in Monaca in the summer is 73 degrees, and in the winter 33 degrees.