Olin is a city in Jones County, Iowa, United States.

[3] It is part of the Cedar Rapids Metropolitan Statistical Area.

There were 304 housing units at an average density of 297.5 per square mile (114.9/km2).

Hispanic or Latino persons of any race comprised 0.8% of the population.

There were 324 housing units at an average density of 314.6 per square mile (121.5/km2).

25.1% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.

There were 323 housing units at an average density of 324.8 per square mile (125.4/km2).

25.8% of all households were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older.

The school was part of several athletic conferences, the last one being the Big East.