Olathe is a city in Johnson County, KS.

Boundaries are not straight lines: It reaches to I-435 on the north, to W. 175th St. on the south, to S. Gardner Rd. on the west, and to S. Pflumm Rd. and between Quivira Rd. and Switzer Rd. on the east.

Neighboring cities are: De Soto, Lenexa, Overland Park, and Spring Hill.

School districts are: Blue Valley-229, De Soto-232, Gardner Edgerton-231, Olathe-233, and Spring Hill-230.

Congressional district is KS-3. State senate districts are KS-9, KS-21, KS-23, KS-37. State house districts are KS-8, KS-14, KS-15, KS-26, KS-30, KS-38, KS-49, KS-78, KS-121.