2020 census As of the
2020 census, Catoosa had a population of 7,440. The median age was 37.1 years; 25.2% of residents were under the age of 18 and 15.9% of residents were 65 years of age or older. For every 100 females there were 97.0 males, and for every 100 females age 18 and over there were 94.7 males age 18 and over. There were 2,876 households in Catoosa, of which 34.5% had children under the age of 18 living in them. Of all households, 45.6% were married-couple households, 20.1% were households with a male householder and no spouse or partner present, and 27.2% were households with a female householder and no spouse or partner present. About 25.9% of all households were made up of individuals and 10.8% had someone living alone who was 65 years of age or older. The median income for a household in the city was $50,050, and the median income for a family was $52,610. The
per capita income for the city was $26,289. About 14.5% of the total population were below the
poverty line.
2000 census In 2000, there were 1,972 households, out of which 40.6% had children under the age of 18 living with them, 57.9% were
married couples living together, 14.8% had a female householder with no husband present, and 23.0% were non-families. 20.1% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.11. In the city, the population was spread out, with 29.7% under the age of 18, 8.5% from 18 to 24, 29.4% from 25 to 44, 21.1% from 45 to 64, and 11.3% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 89.8 males. For every 100 females age 18 and over, there were 87.2 males. ==Education==