Olathe, Kansas

Olathe population, 2020 to 2024

Olathe added 7,475 residents from July 2020 to July 2024, a change of +5.3%. In the latest year it moved by +1,890. Among 63 Kansas places of 5,000 or more, that growth ranks 13th; the median place changed by +0.4%. The median place of 5,000+ in Kansas has 11,560 people, so Olathe is 12.9 times that size.

Olathe covers 64.41 square miles of land and 0.77 of water, for 2,314 people per square mile of land. The median Kansas place of 5,000+ has 1,527, so Olathe is denser than the typical town.

What county Olathe is in

All of Olathe's residents live in Johnson County, which had 632,276 residents in 2024. Olathe holds 23.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Olathe

2 ZIP Code Tabulation Areas (ZCTAs) overlap Olathe by at least 10% of the ZCTA's or the city's land: 66061, 66062. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Olathe is

The Census internal point of Olathe is at 38.882000, -94.820100. Topeka, the capital, is 47.5 miles WNW in a straight line. The nearest larger place is Overland Park, KS (202,893 people), 7.0 miles away. The ground at the internal point is about 316 m (1,037 ft) above sea level.

Daylight in Olathe

At 38.88° N, Olathe gets about 14 h 54 min of daylight around the June solstice and 9 h 26 min around the December solstice, a swing of 5 h 27 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Olathe daylight page.

Places near Olathe

The eight nearest incorporated places of 1,000+ in Kansas, measured between internal points. The closest is Lenexa, 5.8 miles away, with 59,427 people.