Kanawha, Iowa

As of the census[7] of 2010, there were 652 people, 291 households, and 167 families residing in the city. The population density was 324.4 inhabitants per square mile (125.3/km²). There were 348 housing units at an average density of 173.1 per square mile (66.8/km²). The racial makeup of the city was 96.8% White, 0.8% African American, 0.6% Native American, 0.3% Asian, 0.8% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 5.2% of the population.

There were 291 households, of which 24.7% had children under the age of 18 living with them, 46.0% were married couples living together, 6.9% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 42.6% were non-families. 37.8% of all households were made up of individuals, and 23.4% had someone living alone who was 65 years of age or older. The average household size was 2.16 and the average family size was 2.87.

The median age in the city was 47 years. 21.6% of residents were under the age of 18; 6% were between the ages of 18 and 24; 19.4% were from 25 to 44; 24.5% were from 45 to 64; and 28.5% were 65 years of age or older. The gender makeup of the city was 47.9% male and 52.1% female.

As of the census[8] of 2000, there were 739 people, 309 households, and 194 families residing in the city. The population density was 368.3 inhabitants per square mile (142.2/km²). There were 338 housing units at an average density of 168.4 per square mile (65.0/km²). The racial makeup of the city was 97.70% White, 0.68% Native American, 0.68% from other races, and 0.95% from two or more races. Hispanic or Latino of any race were 2.30% of the population.

There were 309 households, out of which 24.6% had children under the age of 18 living with them, 55.0% were married couples living together, 5.2% had a female householder with no husband present, and 37.2% were non-families. 34.6% of all households were made up of individuals, and 22.0% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.90.

In the city, the population was spread out, with 22.3% under the age of 18, 5.7% from 18 to 24, 22.2% from 25 to 44, 19.2% from 45 to 64, and 30.6% who were 65 years of age or older. The median age was 45 years. For every 100 females, there were 83.8 males. For every 100 females age 18 and over, there were 80.5 males.

The median income for a household in the city was $36,250, and the median income for a family was $42,031. Males had a median income of $27,273 versus $20,288 for females. The per capita income for the city was $18,429. About 2.5% of families and 5.1% of the population were below the poverty line, including 4.0% of those under age 18 and 2.2% of those age 65 or over.