Racial and ethnic composition 2020 census As of the
2020 census, St. Johns had a population of 3,417. The median age was 36.7 years. 30.3% of residents were under the age of 18 and 17.6% of residents were 65 years of age or older. For every 100 females, there were 100.9 males, and for every 100 females age 18 and over, there were 99.5 males. 0.0% of residents lived in urban areas, while 100.0% lived in rural areas. There were 1,147 households in St. Johns, of which 39.4% had children under the age of 18 living in them. Of all households, 56.4% were married-couple households, 16.0% were households with a male householder and no spouse or partner present, and 23.6% were households with a female householder and no spouse or partner present. About 20.4% of all households were made up of individuals, and 10.9% had someone living alone who was 65 years of age or older. of 2000, there were 3,269 people, 989 households, and 805 families residing in the city. The population density was . There were 1,392 housing units at an average density of . The racial makeup of the city was 80.5%
White, 0.4%
African American, 6.2%
Native American, 0.3%
Asian, <0.1%
Pacific Islander, 9.1% from
other races, and 3.5% from two or more races.
Hispanic or
Latino of any race were 23.2% of the population. There were 989 households, out of which 44.3% had children under the age of 18 living with them, 66.7% were married couples living together, 10.8% had a female householder with no husband present, and 18.6% were non-families. 15.9% of all households were made up of individuals, and 6.2% had someone living alone who was 65 years of age or older. The average household size was 3.19 and the average family size was 3.55. In the city, the age distribution of the population shows 35.5% under the age of 18, 8.4% from 18 to 24, 24.0% from 25 to 44, 21.7% from 45 to 64, and 10.4% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 101.2 males. For every 100 females age 18 and over, there were 100.1 males. The median income for a household in the city was $35,215, and the median income for a family was $37,478. Males had a median income of $38,477 versus $24,009 for females. The
per capita income for the city was $13,331. About 12.5% of families and 15.3% of the population were below the
poverty line, including 18.2% of those under age 18 and 10.8% of those age 65 or over. ==Attractions==