Arlington Heights was founded in the mid-1800s and is currently the 12th largest municipality in Illinois. Officially incorporated in 1887, the Village currently has a population of just over 75,100. There are shopping centers in Arlington Heights and the primary retail districts include Downtown, Uptown, and Southtown. Arlington Heights is served by School Districts 25, 23, 59, 57, 21 and 15 for elementary schools. The Village is also served by School District 214 which has six high schools and an educational center. The Arlington Heights Park District offers the community a variety of fitness and recreation opportunities including five community centers with outdoor pools, an Olympic indoor swim center, two tennis clubs, two public golf clubs, an outdoor skate park, and parks.