Jackson Junction, Iowa

As of the census[6] of 2010, there were 58 people, 21 households, and 18 families living in the city. The population density was 9.7 inhabitants per square mile (3.7/km²). There were 23 housing units at an average density of 3.8 per square mile (1.5/km²). The racial makeup of the city was 98.3% White and 1.7% Asian.

There were 21 households, of which 38.1% had children under the age of 18 living with them, 66.7% were married couples living together, 14.3% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 14.3% were non-families. 14.3% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.00.

The median age in the city was 37.5 years. 25.9% of residents were under the age of 18; 5.1% were between the ages of 18 and 24; 27.6% were from 25 to 44; 27.5% were from 45 to 64; and 13.8% were 65 years of age or older. The gender makeup of the city was 56.9% male and 43.1% female.

As of the census[7] of 2000, there were 60 people, 24 households, and 15 families living in the city. The population density was 10.0 inhabitants per square mile (3.9/km²). There were 24 housing units at an average density of 4.0 per square mile (1.5/km²). The racial makeup of the city was 98.33% White and 1.67% Asian.

There were 24 households, out of which 29.2% had children under the age of 18 living with them, 58.3% were married couples living together, 4.2% had a female householder with no husband present, and 37.5% were non-families. 37.5% of all households were made up of individuals, and 8.3% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.40.

In the city, the population was spread out, with 30.0% under the age of 18, 3.3% from 18 to 24, 33.3% from 25 to 44, 25.0% from 45 to 64, and 8.3% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 122.2 males. For every 100 females age 18 and over, there were 133.3 males.

The median income for a household in the city was $31,875, and the median income for a family was $41,563. Males had a median income of $31,042 versus $13,750 for females. The per capita income for the city was $15,825. There were no families and 4.4% of the population living below the poverty line, including no under eighteens and none of those over 64.