As of the census of 2010, there were 680 people, 272 households, and 190 families residing in the city. The population density was. There were 304 housing units at an average density of. The racial makeup of the city was 96.0% White, 0.1% African American, 0.3% Native American, 0.1% Asian, 1.0% from other races, and 2.4% from two or more races. Hispanic or Latino of any race were 3.1% of the population. There were 272 households of which 32.4% had children under the age of 18 living with them, 56.3% were married couplesliving together, 10.7% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 30.1% were non-families. 27.6% of all households were made up of individuals and 16.2% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.84. The median age in the city was 42.4 years. 25.3% of residents were under the age of 18; 5.1% were between the ages of 18 and 24; 21.9% were from 25 to 44; 23.1% were from 45 to 64; and 24.6% were 65 years of age or older. The gender makeup of the city was 47.2% male and 52.8% female.
2000 census
As of the census of 2000, there were 615 people, 261 households, and 184 families residing in the city. The population density was 1,198.8 people per square mile. There were 290 housing units at an average density of 565.3 per square mile. The racial makeup of the city was 99.35% White, 0.16% Native American, 0.16% from other races, and 0.33% from two or more races. Hispanic or Latino of any race were 1.63% of the population. There were 261 households out of which 31.0% had children under the age of 18 living with them, 61.3% were married couples living together, 7.7% had a female householder with no husband present, and 29.5% were non-families. 27.6% of all households were made up of individuals and 16.5% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.86. In the city, the population was spread out with 26.2% under the age of 18, 5.5% from 18 to 24, 26.7% from 25 to 44, 17.4% from 45 to 64, and 24.2% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 102.3 males. For every 100 females age 18 and over, there were 94.8 males. The median income for a household in the city was $32,857, and the median income for a family was $40,000. Males had a median income of $30,536 versus $18,125 for females. The per capita income for the city was $18,944. About 4.1% of families and 5.6% of the population were below the poverty line, including 4.1% of those under age 18 and 10.3% of those age 65 or over.
Education
Pretty Prairie is served by Pretty Prairie USD 311 school district. It has three schools.
Notable people
Jon Gnagy, artist and television art instructor
Walter A. Huxman, governor of Kansas and jurist; born in Pretty Prairie.
Carl "Alfalfa" Switzer, played the Alfalfa character on the Little Rascals/Our Gang series. Switzer lived in the town in 1954 while briefly married to Collingwood Grain heiress Dian Collingwood. Switzer appeared in minor roles in many movies.
