Topeka (/tÉµËpiËkÉ/; Kansa: TÃ³ Pee Kuh) is the capital city of the U.S. state of Kansas and the county seat of Shawnee County. It is situated along the Kansas River in the central part of Shawnee County, located in northeast Kansas, in the Central United States. As of the 2010 census, the city population was 127,473. The Topeka Metropolitan Statistical Area, which includes Shawnee, Jackson, Jefferson, Osage, and Wabaunsee counties, had an population of 233,870 in the 2010 census. The city is well known for the landmark United States Supreme Court case Brown v. Board of Education of Topeka, which overturned Plessy vs. Ferguson and declared segregation in public schools on account of race to be unconstitutional. Three ships of the US Navy have been named USS Topeka in honor of the city.