About 145,000 people.

Olathe is a friendly city in the Kansas City area whose name means beautiful in the Shawnee language. It is one of the fastest growing cities in the state.
You can splash at a huge water park, learn pioneer history at the Mahaffie Stagecoach Stop, or bike the shady Prairie Center trails.
The Mahaffie Stagecoach Stop shows how travelers rode coaches across the prairie long ago.
Prairie Center is a wild grassland where you can spot deer, birds, and tall waving grasses.