In 2012, press reports described Ozark as the fastest-growing city in Missouri.
2020 census As of the
2020 census, Ozark had a population of 21,284 with 7,885 households and 5,238 families. The population density was 1,751.8 per square mile (676.5/km). 99.8% of residents lived in urban areas, while 0.2% lived in rural areas. Of the 7,885 households, 40.1% had children under the age of 18 living in them. Of all households, 51.6% were married-couple households, 14.5% were households with a male householder and no spouse or partner present, and 26.5% were households with a female householder and no spouse or partner present. About 23.8% of all households were made up of individuals and 8.8% had someone living alone who was 65 years of age or older. The average household size was 2.6 and the average family size was 3.1. Of the 6,603 households 43.4% had children under the age of 18 living with them, 52.6% were married couples living together, 14.0% had a female householder with no husband present, 4.4% had a male householder with no wife present, and 29.0% were non-families. 23.1% of households were one person and 7.8% were one person aged 65 or older. The average household size was 2.65 and the average family size was 3.14. The median age was 30.9 years. 30.2% of residents were under the age of 18; 9.1% were between the ages of 18 and 24; 31.6% were from 25 to 44; 19.1% were from 45 to 64; and 10.1% were 65 or older. The gender makeup of the city was 47.3% male and 52.7% female.
2000 census At the
2000 census there were 9,665 people, 3,635 households, and 2,599 families living in the city. The population density was . There were 3,853 housing units at an average density of . The
racial makeup of the city was 96.36% White, 0.71% Native American, 0.33% African American, 0.30% Asian, 0.07% Pacific Islander, 0.59% from other races, and 1.63% from two or more races. Hispanic or Latino of any race were 1.70%. estimates show that the median household income was $58,995 (with a margin of error of +/- $4,275) and the median family income was $67,842 (+/- $9,725). Males had a median income of $39,931 (+/- $2,397) versus $27,374 (+/- $4,454) for females. The median income for those above 16 years old was $33,969 (+/- $3,180). Approximately, 10.4% of families and 13.8% of the population were below the
poverty line, including 24.3% of those under the age of 18 and 18.3% of those ages 65 or over. ==Geography==