
Olsburg
- County:
- Pottawatomie County
- County Seat:
- No
- Area (mi²):
- 0.242
- State:
- Kansas
Olsburg is a city located in Pottawatomie County, Kansas. Olsburg has a 2025 population of 224. Olsburg is currently growing at a rate of 0.45% annually and its population has increased by 1.36% since the most recent census, which recorded a population of 221 in 2020.
The average household income in Olsburg is $78,446 with a poverty rate of 16.06%. The median age in Olsburg is 39.8 years: 41.2 years for males, and 37.9 years for females.