As of the census of 2010, there were 5,554 people, 1,974 households, and 1,469 families living in the city. The population density was. There were 2,126 housing units at an average density of. The racial makeup of the city was 89.5% White, 4.0% African American, 0.1% Native American, 3.0% Asian, 0.3% Pacific Islander, 0.6% from other races, and 2.5% from two or more races. Hispanic or Latino of any race were 3.7% of the population. There were 1,974 households of which 37.4% had children under the age of 18 living with them, 63.6% were married couplesliving together, 6.6% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 25.6% were non-families. 20.9% of all households were made up of individuals and 5.8% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.05. The median age in the city was 39.1 years. 25.6% of residents were under the age of 18; 12.7% were between the ages of 18 and 24; 20% were from 25 to 44; 32.6% were from 45 to 64; and 9.1% were 65 years of age or older. The gender makeup of the city was 49.4% male and 50.6% female.
2000 census
As of the census of 2000, there were 4,059 people, 1,510 households, and 1,060 families living in the city. The population density was 586.9 people per square mile. There were 1,587 housing units at an average density of 229.5 per square mile. The racial makeup of the city was 90.37% White, 4.71% African American, 0.52% Native American, 1.31% Asian, 0.96% Pacific Islander, 0.81% from other races, and 1.33% from two or more races. Hispanic or Latino of any race were 2.27% of the population. There were 1,510 households out of which 37.4% had children under the age of 18 living with them, 59.1% were married couples living together, 7.7% had a female householder with no husband present, and 29.8% were non-families. 23.8% of all households were made up of individuals and 5.6% 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 3.04. In the city, the population was spread out with 26.4% under the age of 18, 12.4% from 18 to 24, 29.9% from 25 to 44, 25.2% from 45 to 64, and 6.1% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 95.0 males. For every 100 females age 18 and over, there were 93.5 males. The median income for a household in the city was $68,600, and the median income for a family was $86,820. Males had a median income of $64,917 versus $31,740 for females. The per capita income for the city was $33,119. About 5.0% of families and 6.5% of the population were below the poverty line, including 8.1% of those under age 18 and 3.3% of those age 65 or over.
Education
operates one school in Parkville: Graden Elementary School. Park University, a private institution, has been in operation at Parkville since 1875. Parkville has a public library, a branch of the Mid-Continent Public Library.
In Mark Twain's novel The Adventures of Huckleberry Finn, Huck, Jim, "the king" and "the duke" crash a religious camp meeting in a town called Parkville, where "the king" lies to the crowd that he is an ex-pirate who was robbed and needs money to return to the Indian Ocean to convert other pirates to Christianity, for which a collection is taken from the crowd. This may actually be a fictitious town in Arkansas called Parkville, which Huck Finn describes as "a little one-horse town about three mile down the bend . In the Menagerie trilogy by Tui and Kari Sutherland, there was a menagerie in Parkville that was shut down due to it being exposed to the public.
