Lenexa is a city in Johnson County, Kansas United States. It is the 9th most populated city in the Kansas City Metropolitan Area. In 2010, 48,190 people lived there. It is where Garmin was created. It is the regional headquarters of Kiewit Construction and the former headquarters of Applebee’s. It is bordered by the cities of Shawnee to the north, Overland Park to the east, De Soto to the west and Olathe to the south.