Osterdock, Iowa

As of the census[7] of 2010, there were 59 people, 23 households, and 16 families living in the city. The population density was 128.3 inhabitants per square mile (49.5/km²). There were 23 housing units at an average density of 50.0 per square mile (19.3/km²). The racial makeup of the city was 94.9% White and 5.1% from two or more races. Hispanic or Latino of any race were 3.4% of the population.

There were 23 households, of which 26.1% had children under the age of 18 living with them, 60.9% were married couples living together, 4.3% had a female householder with no husband present, 4.3% 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 8.7% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.00.

The median age in the city was 50.3 years. 20.3% of residents were under the age of 18; 6.9% were between the ages of 18 and 24; 13.6% were from 25 to 44; 44.1% were from 45 to 64; and 15.3% were 65 years of age or older. The gender makeup of the city was 42.4% male and 57.6% female.

As of the census[8] of 2000, there were 50 people, 21 households, and 16 families living in the city. The population density was 109.9 inhabitants per square mile (42.4/km²). There were 21 housing units at an average density of 46.2 per square mile (17.8/km²). The racial makeup of the city was 100.00% White.

There were 21 households, out of which 23.8% had children under the age of 18 living with them, 76.2% were married couples living together, and 23.8% were non-families. 23.8% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.81.

In the city, the population was spread out, with 20.0% under the age of 18, 6.0% from 18 to 24, 28.0% from 25 to 44, 38.0% from 45 to 64, and 8.0% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 108.3 males. For every 100 females age 18 and over, there were 150.0 males.

The median income for a household in the city was $31,250, and the median income for a family was $46,250. Males had a median income of $40,625 versus $18,750 for females. The per capita income for the city was $18,566. 26.0% of the population and 27.8% of families were below the poverty line. Out of the total population, none of those under the age of 18 and 36.4% of those 65 and older were living below the poverty line.