Ventura is a city in Cerro Gordo County, Iowa, United States.

[2] It is part of the Mason City Micropolitan Statistical Area.

There were 387 housing units at an average density of 217.9 per square mile (84.1/km2).

Hispanic or Latino persons of any race comprised 2.3% of the population.

There were 377 housing units at an average density of 213.0 per square mile (82.2/km2).

24.4% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older.

There were 319 housing units at an average density of 184.5 per square mile (71.2/km2).

25.6% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older.

[9] Local legend suggests, though isn't confirmed, that a cryptid called the Mugwump lives in a marsh in Ventura, Iowa.