Walnut Grove, Missouri

As of the census[11] of 2010, there were 665 people, 274 households, and 184 families living in the city. The population density was 1,072.6 inhabitants per square mile (414.1/km²). There were 306 housing units at an average density of 493.5 per square mile (190.5/km²). The racial makeup of the city was 97.6% White, 0.2% African American, 1.4% Native American, and 0.9% from two or more races. Hispanic or Latino of any race were 0.8% of the population.

There were 274 households, of which 33.6% had children under the age of 18 living with them, 49.6% were married couples living together, 15.0% had a female householder with no husband present, 2.6% had a male householder with no wife present, and 32.8% were non-families. 28.1% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.97.

The median age in the city was 35.9 years. 26% of residents were under the age of 18; 10.5% were between the ages of 18 and 24; 23.7% were from 25 to 44; 24.1% were from 45 to 64; and 15.9% were 65 years of age or older. The gender makeup of the city was 45.1% male and 54.9% female.

As of the census[2] of 2000, there were 630 people, 264 households, and 165 families living in the city. The population density was 1,124.1 inhabitants per square mile (434.0/km²). There were 290 housing units at an average density of 517.5 per square mile (199.8/km²). The racial makeup of the city was 96.83% White, 2.38% Native American, 0.16% Asian, 0.32% from other races, and 0.32% from two or more races. Hispanic or Latino of any race were 0.48% of the population.

There were 264 households, out of which 33.0% had children under the age of 18 living with them, 50.4% were married couples living together, 9.5% had a female householder with no husband present, and 37.5% were non-families. 34.1% of all households were made up of individuals, and 21.2% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 3.08.

In the city the population was spread out, with 27.8% under the age of 18, 9.4% from 18 to 24, 27.9% from 25 to 44, 18.7% from 45 to 64, and 16.2% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 90.9 males. For every 100 females age 18 and over, there were 83.5 males.

The median income for a household in the city was $31,563, and the median income for a family was $39,688. Males had a median income of $29,297 versus $20,556 for females. The per capita income for the city was $16,019. About 7.4% of families and 12.8% of the population were below the poverty line, including 12.0% of those under age 18 and 20.8% of those age 65 or over.