or older. The median age was 39.6 years. For every 100 females, there were 94.4 males. For every 100 females age 18 and over, there were 89.7 males. The median income for a household in the city was $67,333 and the median income for a family was $90,486. Males had a median income of $59,396 versus $43,594 for females. The per capita income for the city was $32,243. About 2.3% of families and 4.7% of the population were below the poverty line, including 1.7% of those under age 18 and 3.4% of those age 65 or over. Education Columbia is served by the public K-12 school district Columbia Community Unit District #4. District #4 includes Eagleview Elementary School (pre-k – 1), Parkview Elementary School (2-4), Columbia Middle School (5-8), and Columbia High School. Also located in the city is Immaculate Conception School, a private Roman Catholic grade school with grades from Pre-k to eighth. Transportation Highways To get to places in other towns and cities, Columbians rely mostly on the four highways located nearby. Illinois Route 3 is the only highway that runs through the city. It connects Columbia with Dupo and Cahokia in the northwest and Waterloo and Red Bud from the southeast. Illinois Route 158 has its western terminus just south of the city off of Route 3 and connects Columbia with Millstadt. Interstate 255 and U.S. Route 50 overlap in St. Louis and continue over the Jefferson Barracks Bridge to Columbia, where they overlap again with Route 3 in an area just north of the city. Airport There is a small airport, Sackman Field, on the western edge of town, named for the former Columbia schools Music Director, Uhl Sackman. Public transportation A public bus service, provided by MetroBus, arrives in the morning and evening in Columbia and Waterloo and transports people to the MetroLink station in East St. Louis. Climate The climate in this area is characterized by hot, humid summers and generally cool winters. According to the Köppen Climate Classification system, Columbia, IL has a humid subtropical climate, abbreviated "Cfa" on climate maps. Notable people Josh Fleming, pitcher for the Tampa Bay Rays Nelson Mathews, outfielder for the Chicago Cubs and Kansas City Athletics T. J. Mathews, pitcher for the St. Louis Cardinals and Oakland Athletics and Houston Astros John P. Weinel, United States Navy Admiral References Further reading "Combined History of Randolph, Monroe and