
Olin
- County:
- Jones County
- County Seat:
- No
- Area (mi²):
- 1.022
- State:
- Iowa
Olin is a city located in Jones County, Iowa. Olin has a 2025 population of 654. Olin is currently declining at a rate of 0% annually and its population has decreased by -0.3% since the most recent census, which recorded a population of 656 in 2020.
The average household income in Olin is $70,200 with a poverty rate of 14.73%. The median age in Olin is 33 years: 32.2 years for males, and 35.3 years for females.