As of the census[6] of 2010, there were 333 people, 131 households, and 89 families living in the city. The population density was 628.3 inhabitants per square mile (242.6/km2). There were 148 housing units at an average density of 279.2 per square mile (107.8/km2). The racial makeup of the city was 97.6% White, 0.6% African American, and 1.8% from two or more races. Hispanic or Latino of any race were 1.2% of the population.
There were 131 households, of which 35.1% had children under the age of 18 living with them, 55.7% were married couples living together, 6.1% had a female householder with no husband present, 6.1% had a male householder with no wife present, and 32.1% were non-families. 27.5% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.15.
The median age in the city was 34.9 years. 29.4% of residents were under the age of 18; 5.7% were between the ages of 18 and 24; 29.4% were from 25 to 44; 23.4% were from 45 to 64; and 12% were 65 years of age or older. The gender makeup of the city was 51.4% male and 48.6% female.
2000 census
North Side of the McCallsburg Water Tower
As of the census[7] of 2000, there were 318 people, 125 households, and 91 families living in the city. The population density was 600.2 inhabitants per square mile (231.7/km2). There were 137 housing units at an average density of 258.6 per square mile (99.8/km2). The racial makeup of the city was 98.11% White, 1.26% African American, 0.31% Asian, and 0.31% from two or more races.
There were 125 households, out of which 36.8% had children under the age of 18 living with them, 61.6% were married couples living together, 7.2% had a female householder with no husband present, and 26.4% were non-families. 24.0% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.99.
In the city, the population was spread out, with 28.9% under the age of 18, 5.0% from 18 to 24, 24.5% from 25 to 44, 22.3% from 45 to 64, and 19.2% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 96.3 males. For every 100 females age 18 and over, there were 98.2 males.
The median income for a household in the city was $35,250, and the median income for a family was $44,375. Males had a median income of $33,750 versus $19,875 for females. The per capita income for the city was $16,135. About 6.6% of families and 9.2% of the population were below the poverty line, including 13.6% of those under age 18 and 8.6% of those age 65 or over.
Education
The community is within the Colo–NESCO Community School District.[8] The district was established on July 1, 1991, by the merger of the Colo and NESCO school districts,[9] with the latter serving McCallsburg and Zearing; "NESCO" means "Northeast Story County".[10]
United States
Iowa
