Ollie is a city in Keokuk County, Iowa, United States.

According to the United States Census Bureau, the city has a total area of 0.99 square miles (2.56 km2), all of it land.

There were 101 housing units at an average density of 101.6 per square mile (39.2/km2).

There were 108 housing units at an average density of 109.1 per square mile (42.1/km2).

33.0% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older.

There were 112 housing units at an average density of 112.1 per square mile (43.3/km2).

32.7% of all households were made up of individuals, and 20.8% had someone living alone who was 65 years of age or older.

About 1.8% of families and 7.3% of the population were below the poverty line, including none of those under the age of eighteen and 17.3% of those 65 or over.

In the fall of that year, the hitherto independent school systems of Ollie, Richland, Packwood and Farson, along with the associated rural areas, were consolidated, and all secondary students began to go to the Pekin Community High School.