Oakville is a city in southeastern Louisa County, Iowa, United States.

The Louisa-Des Moines county line is two miles to the south.

[6] As of the census of 2020,[8] there were 200 people, 84 households, and 56 families residing in the city.

Hispanic or Latino persons of any race comprised 3.0% of the population.

28.6% of all households were made up of individuals, 9.5% had someone living alone who was 65 years old or older.

At the 2010 census there were 173 people in 62 households, including 42 families, in the city.

At the 2000 census there were 439 people in 179 households, including 119 families, in the city.

The racial makup of the city was 99.32% White, 0.46% Asian, and 0.23% from two or more races.

[11] Due to the catastrophic statewide major flooding of June 2008, the recovery of the city is under question.