Olathe, Kansas

Olathe, Kansas
Olathe City Hall (2010)
Interactive map of Olathe, Kansas
Olathe
Olathe
Coordinates: 38°52′58″N 94°49′13″W / 38.88278°N 94.82028°W / 38.88278; -94.82028
CountryUnited States
StateKansas
CountyJohnson
Founded1857
Incorporated1857, 1868
Government
 • TypeMayor–council
 • MayorJohn Bacon
Area
 • Total
62.38 sq mi (161.57 km2)
 • Land61.63 sq mi (159.62 km2)
 • Water0.76 sq mi (1.96 km2)  1.26%
Elevation
1,037 ft (316 m)
Population
 (2020)
 • Total
141,290
 • Estimate 
(2021)
143,014
 • Density2,292.6/sq mi (885.16/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP codes
66051,66061,66062,66063
Area code913
FIPS code20-52575
GNIS ID485633
Websiteolatheks.org

Olathe (/ˈlθə/ oh-LAY-thə) is a city in and the county seat of Johnson County, Kansas, United States. It is the fourth-most populous city in both the Kansas City metropolitan area and the state of Kansas, with a 2020 population of 141,290.