2020 census As of the
2020 census, Red Oak had a population of 5,596 people, with 2,454 households and 1,407 families. The
population density was 1,425.5 inhabitants per square mile (550.4/km2), and the housing unit density was 712.0 per square mile (274.9/km2). The median age was 42.6 years. 23.4% of residents were under the age of 18, and 22.2% were 65 years of age or older. 25.8% of residents were under the age of 20; 5.1% were between the ages of 20 and 24; 21.6% were from 25 to 44; and 25.3% were from 45 to 64. For every 100 females, there were 93.7 males, and for every 100 females age 18 and over there were 89.8 males age 18 and over. The gender makeup of the city was 48.4% male and 51.6% female. There were 2,454 households, of which 25.6% had children under the age of 18 living in them. Of all households, 39.6% were married-couple households, 8.6% were cohabiting-couple households, 20.3% were households with a male householder and no spouse or partner present, and 31.5% were households with a female householder and no spouse or partner present. 42.7% of households were non-families. About 36.9% of all households were made up of individuals, and 18.1% had someone living alone who was 65 years of age or older. Of the 2,481 households 28.7% had children under the age of 18 living with them, 42.7% were
married couples living together, 11.8% had a female householder with no husband present, 5.0% had a male householder with no wife present, and 40.5% were non-families. 34.9% of households were one person and 16.8% were one person aged 65 or older. The average household size was 2.26 and the average family size was 2.90. The median age was 42.2 years. 24.4% of residents were under the age of 18; 6.6% were between the ages of 18 and 24; 22.2% were from 25 to 44; 26.6% were from 45 to 64; and 20.1% were 65 or older. The gender makeup of the city was 47.6% male and 52.4% female.
2000 census At the
2000 census there were 6,197 people in 2,670 households, including 1,650 families, in the city. The population density was . There were 2,985 housing units at an average density of . The
racial makeup of the city was 97.42% Caucasian, ???
African American, 0.11%
Asian, 0.50% Native American, 0.37% Asian, 0.02% Pacific Islander, 1.11% from other races, and 0.47% from two or more races. Hispanic or Latino of any race were 2.15%. Of the 2,670 households 28.7% had children under the age of 18 living with them, 47.6% were married couples living together, 10.7% had a female householder with no husband present, and 38.2% were non-families. 33.8% of households were one person and 16.8% were one person aged 65 or older. The average household size was 2.27 and the average family size was 2.89. Age spread: 24.6% under the age of 18, 7.0% from 18 to 24, 25.7% from 25 to 44, 21.9% from 45 to 64, and 20.8% 65 or older. The median age was 40 years. For every 100 females, there were 83.0 males. For every 100 females age 18 and over, there were 79.9 males. The median household income was $30,098 and the median family income was $37,007. Males had a median income of $28,942 versus $20,047 for females. The per capita income for the city was $15,793. About 7.9% of families and 10.3% of the population were below the
poverty line, including 14.8% of those under age 18 and 6.2% of those age 65 or over. ==Hospital==