2020 census As of the
2020 census, Indianola had a population of 15,833, with 5,886 households and 3,886 families residing in the city. The
population density was 1,398.9 inhabitants per square mile (540.1/km2). There were 6,409 housing units at an average density of 566.3 per square mile (218.6/km2). Of the 5,886 households, 32.3% had children under the age of 18 living with them; 50.2% were
married couples living together; 6.5% were cohabiting-couple households; 27.0% had a female householder with no spouse or partner present; and 16.3% had a male householder with no spouse or partner present. 34.0% of all households were non-families, 29.0% were made up of individuals, and 13.3% had someone living alone who was 65 years old or older. Of all housing units, 8.2% were vacant. The homeowner vacancy rate was 1.5% and the rental vacancy rate was 12.7%.
2000 census At the
2000 census there were 12,998 people, 4,748 households, and 3,261 families living in the city. The population density was . There were 4,981 housing units at an average density of . The
racial makeup of the city was 97.92% White, 0.40% African American, 0.15% Native American, 0.51% Asian, 0.07% Pacific Islander, 0.18% from other races, and 0.78% from two or more races. Hispanic or Latino of any race were 0.85%. Of the 4,748 households 34.2% had children under the age of 18 living with them, 55.2% were married couples living together, 10.2% had a female householder with no husband present, and 31.3% were non-families. 26.5% of households were one person and 12.3% were one person aged 65 or older. The average household size was 2.44 and the average family size was 2.94. The age distribution was 23.8% under the age of 18, 15.8% from 18 to 24, 25.3% from 25 to 44, 19.8% from 45 to 64, and 15.4% 65 or older. The median age was 34 years. For every 100 females, there were 89.1 males. For every 100 females age 18 and over, there were 85.9 males. The median household income was $43,725 and the median family income was $52,238. Males had a median income of $36,945 versus $24,401 for females. The per capita income for the city was $19,574. About 5.6% of families and 7.2% of the population were below the
poverty line, including 9.3% of those under age 18 and 5.9% of those age 65 or over.
Religion 21.%-Catholic 64.5%-Protestant 14.1%-non affiliated .4%- Karen Buddhist, (in 2022 a Karen Buddhist temple was established at the old St Thomas A. Catholic Church site) ==Current elected officials==