those under age 18 and 15.3% of those age 65 or over. Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race. As of 2011, 52.5% of occupied housing units were owned properties, and 47.5% were rentals. There were 4,667 vacant housing units. The average age of home properties was greater than 66 years. Cicero is a factory town. As of 1999, about a quarter of the city contained one of the greatest industrial concentrations in the world. There were more than 150 factories in , producing communications and electronic equipment, sugar, printing presses, steel castings, tool and die makers' supplies, forging and rubber goods. Government Most of Cicero is in Illinois's 4th congressional district; the area south of the railroad at approximately 33rd Street is in the 3rd district. The United States Postal Service operates the Cicero Post Office at 2440 South Laramie Avenue. Education Cicero is served by Cicero Elementary School District 99 and comprises 16 schools, making it one of the largest public school districts outside of Chicago. Elementary students attend the following schools, depending on residency: Burnham (K-6), Cicero East (4-6), Cicero West (PK-4), Columbus East (4-6), Columbus West (PK-4), Drexel (K-6), Early Childhood Center (PK), Goodwin (PK-6), Liberty (K-3), Lincoln (PK-6), Roosevelt (5-6), Sherlock (PK-6), Warren Park (PK-6), Wilson (K-6), and Unity Junior High (7-8), which is separated into East/West sections. East side being held for eighth graders & seventh graders on the West side. Unity is the second largest middle school in the country. High school students entering their freshman year attend the Freshman Center and then continue high school at Morton East of the J. Sterling Morton High School District 201. The McKinley Educational Center serves as an alternative school for 5th-8th graders and the Morton Alternative School serves as an alternative school for 9th-12th graders The Roman Catholic Archdiocese of Chicago operates two PK-8 schools in Cicero: Our Lady of Charity School St. Frances of Rome School From 1927 until 1972, Cicero was the home of Timothy Christian School. Cicero is also home to Morton College. Infrastructure Transportation Cicero is served by two major railroad lines, the BNSF Railway and the Belt Line Railroad. Public Transportation is provided by Metra BNSF Railway Line between Aurora and Chicago's Union Station with a