Olathe is a city located in Colorado. With a 2020 population of 1,857, it is the 121st largest city in Colorado and the 7899th largest city in the United States. Olathe is currently growing at a rate of 0.87% annually and its population has increased by 0.43% since the most recent census, which recorded a population of 1,849 in 2010. Spanning over 2 miles, Olathe has a population density of 1,237 people per square mile.
The average household income in Olathe is $43,515 with a poverty rate of 30.48%. The median rental costs in recent years comes to $752 per month, and the median house value is $121,900. The median age in Olathe is 34.5 years, 31.8 years for males, and 37.3 years for females. For every 100 females there are 115.1 males.