Alexander, Iowa

As of the census[7] of 2010, there were 175 people, 70 households, and 50 families living in the city. The population density was 41.0 inhabitants per square mile (15.8/km²). There were 86 housing units at an average density of 20.1 per square mile (7.8/km²). The racial makeup of the city was 96.0% White, 0.6% Native American, 1.7% from other races, and 1.7% from two or more races. Hispanic or Latino of any race were 6.9% of the population.

There were 70 households, of which 37.1% had children under the age of 18 living with them, 57.1% were married couples living together, 8.6% had a female householder with no husband present, 5.7% had a male householder with no wife present, and 28.6% were non-families. 24.3% of all households were made up of individuals, and 17.1% 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 2.88.

The median age in the city was 34.8 years. 29.7% of residents were under the age of 18; 5.1% were between the ages of 18 and 24; 24.6% were from 25 to 44; 25.2% were from 45 to 64; and 15.4% were 65 years of age or older. The gender makeup of the city was 47.4% male and 52.6% female.

As of the census[8] of 2000, there were 165 people, 79 households, and 48 families living in the city. The population density was 38.6 inhabitants per square mile (14.9/km²). There were 88 housing units at an average density of 20.6 per square mile (7.9/km²). The racial makeup of the city was 96.36% White, 3.64% from other races. Hispanic or Latino of any race were 3.64% of the population.

There were 79 households, out of which 24.1% had children under the age of 18 living with them, 55.7% were married couples living together, 3.8% had a female householder with no husband present, and 38.0% were non-families. 35.4% of all households were made up of individuals, and 27.8% had someone living alone who was 65 years of age or older. The average household size was 2.09 and the average family size was 2.59.

Age spread: 17.0% under the age of 18, 7.3% from 18 to 24, 24.2% from 25 to 44, 24.8% from 45 to 64, and 26.7% who were 65 years of age or older. The median age was 46 years. For every 100 females, there were 87.5 males. For every 100 females age 18 and over, there were 95.7 males.

The median income for a household in the city was $31,250, and the median income for a family was $33,750. Males had a median income of $27,344 versus $20,833 for females. The per capita income for the city was $14,995. About 6.3% of families and 9.3% of the population were below the poverty line, including none of those under the age of eighteen and 11.3% of those 65 or over.