Sandyville, Iowa

As of the census[7] of 2010, there were 51 people, 23 households, and 16 families living in the city. The population density was 100.0 inhabitants per square mile (38.6/km²). There were 28 housing units at an average density of 54.9 per square mile (21.2/km²). The racial makeup of the city was 98.0% White and 2.0% African American.

There were 23 households, of which 17.4% had children under the age of 18 living with them, 60.9% were married couples living together, 8.7% had a male householder with no wife present, and 30.4% were non-families. 26.1% of all households were made up of individuals, and 13% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.63.

The median age in the city was 47.4 years. 11.8% of residents were under the age of 18; 9.8% were between the ages of 18 and 24; 21.6% were from 25 to 44; 39.1% were from 45 to 64; and 17.6% were 65 years of age or older. The gender makeup of the city was 47.1% male and 52.9% female.

As of the census[8] of 2000, there were 61 people, 27 households, and 18 families living in the city. The population density was 119.6 inhabitants per square mile (46.2/km²). There were 28 housing units at an average density of 54.9 per square mile (21.2/km²). The racial makeup of the city was 95.08% White, and 4.92% from two or more races. Hispanic or Latino of any race were 4.92% of the population.

There were 27 households, out of which 25.9% had children under the age of 18 living with them, 55.6% were married couples living together, 11.1% had a female householder with no husband present, and 33.3% were non-families. 33.3% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.89.

In the city, the population was spread out, with 16.4% under the age of 18, 16.4% from 18 to 24, 27.9% from 25 to 44, 34.4% from 45 to 64, and 4.9% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 134.6 males. For every 100 females age 18 and over, there were 155.0 males.

The median income for a household in the city was $31,667, and the median income for a family was $34,375. Males had a median income of $27,500 versus $13,750 for females. The per capita income for the city was $20,028. None of the population and none of the families were below the poverty line.