Olathe is located in Kansas. Olathe, Kansas has a population of 141,815. Olathe is more family-centric than the surrounding county with 40% households with children. The county percentage for households with children is 33%.
The median household income in Olathe, Kansas is $83,786. The median household income for the surrounding county is $85,446 compared to the national median of $61,963. The median age of people living in Olathe is 36.5 years.
The average high temperature in July is 89.4 degrees, with an average low temperature in January of 19.9 degrees. The annual precipitation is 40.17.