Olathe
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| Weather | 29°C, Wind N at 16 km/h, 58% Humidity |
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| ZIP codes | 66051,66061,66062,66063 |
| Did you know | Olathe is the fourth-largest city in Kansas by population (137,472). |
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| ID | 1122961 |
About Olathe
Olathe is the county seat of Johnson County, Kansas, United States. It is the fourth most populous city in the Kansas City Metropolitan Area and Kansas. With a 2010 population of 125,872. By 2017, the Census Bureau estimated Olathe's population had grown to 137,472.