County Formation. When Illinois became a state in 1818, the area that is now Marshall county was part of Bond and Clark counties. As more counties were formed, the area became part of Pike, Sangamon, Putnam, and LaSalle counties. Marshall county was established in 1839 from Putnam county.
Topeka is an incorporated town in Mason County, Illinois, United States. The population was 90 at the 2000 census. Topeka is located at 40Â°19â²48â³N 89Â°55â²52â³Wï»¿ / ï»¿40.33000Â°N 89.93111Â°Wï»¿ / 40.33000; -89.93111 (40.329960, -89.931034). According to the 2010 census, Topeka has a total area of 0.14 square miles (0.36 km 2), all land.
Distance from St. Louis, Missouri to Topeka, Kansas The distance from St. Louis, Missouri to Topeka, Kansas is 294.6 miles by the driving route. The straight line distance (geographical distance) between St. Louis and Topeka is 294.6 miles (airline route). The distances via different routes and the durations needed to travel from St. Louis to Topeka are summarized in Table 1. The estimated fuel cost of driving from St. Louis to Topeka is summarized in Table 2.