Overland Park is the second most populous city in the State of Kansas. Located in Johnson County, it is a suburb of Kansas City, Missouri, and the second most populous city in the Kansas City metropolitan area.As of the 2010 census, the city population was 173,372.
The city traces its roots to 1905, with the arrival of its founder, William B. Strang Jr., who plotted subdivisions along a military roadway on 600 acres (240 ha) he purchased that are now part of the old downtown area. One of those subdivisions was named Overland Park, and was the site for the first airplane flight west of the Mississippi with shows by the Wright brothers, sponsored by Strang, on December 24, 1909.The city was incorporated as a "first class city" on May 20, 1960. Its initial population was 28,085 and was bounded by Antioch Road (west), 107th Street (south), Chadwick (east) and I-35 (north) with 13 square miles (33.7 km2) incorporated. By 1990 the population was 111,790 and in 1995 the incorporated land area was 56.6 square miles (146.6 km2). Since 1995, the population has grown to 173,250 in 2008 with 75.33 square miles (195.10 km2) of land area.