Boonville is a city in Cooper County, Missouri, United States. The population was 8,319 at the 2010 census. It is the county seat of Cooper County. The city was the site of a skirmish early in the Civil War, on July 17, 1861. Union forces defeated a small and poorly equipped force of the Missouri State Guard in the first Battle of Boonville. It is part of the Columbia, Missouri metropolitan area.
According to the United States Census Bureau, the city has a total area of 7.21 square miles (18.67 km), of which 6.89 square miles (17.85 km) is land and 0.32 square miles (0.83 km) is water.
As of the census of 2010, there were 8,319 people, 2,918 households, and 1,787 families residing in the city. The population density was 1,207.4 inhabitants per square mile (466.2/km). There were 3,294 housing units at an average density of 478.1 per square mile (184.6/km). The racial makeup of the city was 83.1% White, 13.3% African American, 0.4% Native American, 0.6% Asian, 0.3% from other races, and 2.2% from two or more races. Hispanic or Latino of any race were 1.9% of the population.
There were 2,918 households of which 30.8% had children under the age of 18 living with them, 42.9% were married couples living together, 13.2% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 38.8% were non-families. 32.4% of all households were made up of individuals and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.94.
The median age in the city was 34.6 years. 20.3% of residents were under the age of 18; 12.9% were between the ages of 18 and 24; 28.9% were from 25 to 44; 23.4% were from 45 to 64; and 14.6% were 65 years of age or older. The gender makeup of the city was 55.2% male and 44.8% female.
As of the census of 2000, there were 8,202 people, 2,667 households, and 1,696 families residing in the city. The population density was 1,190.8 people per square mile (459.6/km²). There were 3,041 housing units at an average density of 441.5 per square mile (170.4/km²). The racial makeup of the city was 80.22% White, 16.84% African American, 0.51% Native American, 0.41% Asian, 0.04% Pacific Islander, 0.40% from other races, and 1.57% from two or more races. Hispanic or Latino of any race were 1.23% of the population.
There were 2,667 households out of which 30.2% had children under the age of 18 living with them, 48.5% were married couples living together, 11.8% had a female house holder with no husband present, and 36.4% were non-families. 31.2% of all households were made up of individuals and 15.9% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.93.
In the city, the age distribution of the population shows 19.6% under the age of 18, 20.8% from 18 to 24, 27.4% from 25 to 44, 16.7% from 45 to 64, and 15.4% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 138.8 males. For every 100 females age 18 and over, there were 146.0 males.
The median income for a household in the city was $33,440, and the median income for a family was $40,294. Males had a median income of $28,498 versus $20,739 for females. The per capita income for the city was $14,854. About 9.5% of families and 11.3% of the population were below the poverty line, including 13.4% of those under age 18 and 6.7% of those age 65 or over.