
Olathe
- County:
- Montrose County
- County Seat:
- No
- Area (mi²):
- 1.502
- State:
- Colorado
Olathe is a town located in Montrose County, Colorado. Olathe has a 2025 population of 1,926. Olathe is currently declining at a rate of -0.93% annually and its population has decreased by -4.42% since the most recent census, which recorded a population of 2,015 in 2020.
The average household income in Olathe is $63,711 with a poverty rate of 24.08%. The median age in Olathe is 39.6 years: 39.2 years for males, and 50.6 years for females.