Olathe (/ oʊ ˈ l eɪ θ ə / oh-LAY-thə) is a city in, and is the county seat of, Johnson County, Kansas, United States. Located in northeastern Kansas, it is the fourth most populous city in Kansas, with a population of 125,872 persons as of 2010. read more
Located in northeastern Kansas, it is also the fifth most populous city in the state, with a population of 125,872 at the 2010 census. As a suburb of Kansas City, Missouri, Olathe is the fourth-largest city in the Kansas City Metropolitan Area. read more