Roseville, Iowa

As of the census of 2020,^[6] there were 39 people, 8 households, and 8 families residing in the community. The population density was 10.6 inhabitants per square mile (4.1/km²). There were 17 housing units at an average density of 4.6 per square mile (1.8/km²). The racial makeup of the community was 82.1% White, 0.0% Black or African American, 0.0% Native American, 0.0% Asian, 0.0% Pacific Islander, 2.6% from other races and 15.4% from two or more races. Hispanic or Latino persons of any race comprised 7.7% of the population.

Of the 8 households, 12.5% of which had children under the age of 18 living with them, 87.5% were married couples living together, 0.0% were cohabitating couples, 0.0% had a female householder with no spouse or partner present and 12.5% had a male householder with no spouse or partner present. 0.0% of all households were non-families. 0.0% of all households were made up of individuals, 0.0% had someone living alone who was 65 years old or older.

The median age in the community was 29.2 years. 25.6% of the residents were under the age of 20; 23.1% were between the ages of 20 and 24; 12.8% were from 25 and 44; 20.5% were from 45 and 64; and 17.9% were 65 years of age or older. The gender makeup of the community was 59.0% male and 41.0% female.