Cudahy is located in Milwaukee county Wisconsin with a geographic area of 4.8 square miles. The total population in Cudahy is 18,211 with 47.7% male and 52.3% female. Children under age 5 represent 5.1% of the population, under age 18 equal 16.6% of the population and over age 65 is 20.7% of the population. The median household income is $63,280, per capita income is $32,423. There are a total of 7,875 housing units with 62.9% owner occupied. Education includes 32.0% of residents that are high school graduates and 29.3% with a bachelor's degree or higher. The average temperature in Cudahy in the summer is 70 degrees, and in the winter 17 degrees.