Olathe is a city in and the county seat of Johnson County, Kansas, United States. 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. It is bordered by the cities of Lenexa to the north, Overland Park to the east, and Gardner to the southwest. In 2008, the US Census Bureau ranked Olathe the 24th fastest-growing city in the nation. The same year, CNN/Money and Money magazine ranked Olathe #11 on its list of the "100 Best Cities to Live in the United States."

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