Olathe is the county seat of Johnson County, Kansas, United States. It is the fourth-most populous city in the Kansas City metropolitan area. Olathe's commercial and industrial parks are home to many companies, including Honeywell, Husqvarna, ALDI, Garmin, Grundfos, and Farmers Insurance Group. Although Farmers Insurance is based in Los Angeles, California, Olathe has more of its employees than any other city in the United States.
The Federal Aviation Administration, a agency of the United States Department of Transportation, administers and maintains an air traffic-control centre in Olathe, designated Kansas City Center or ZKC. Kansas City Center is one of 20 regional traffic-control centres that cover United States airspace. Johnson County maintains an airport in Olathe, Johnson County Executive Airport. The airport is the second-busiest in the state.
Among the largest employers in the city are: Olathe Unified School District; GARMIN International; Farmers Insurance; Olathe Medical Center; Johnson County; Convergys; City of Olathe; Honeywell (Bendix/King); Mid-Central Sysco; TransAm Trucking.
Olathe has a population of over 141,290 people. Olathe also forms part of the wider Kansas City metropolitan area which has a population of over 2,487,053 people.
Sister cities: Ocotlán, Jalisco, Mexico. Friendship cities: Maebashi, Gunma, Japan.