2020 census As of the
2020 census, Sweetwater had a population of 6,312, 2,520 households, and 1,633 families. The median age was 42.6 years. 22.9% of residents were under the age of 18 and 21.5% of residents were 65 years of age or older. For every 100 females there were 86.9 males, and for every 100 females age 18 and over there were 83.2 males age 18 and over. Of the 2,520 households in Sweetwater, 29.5% had children under the age of 18 living in them. Of all households, 43.5% were married-couple households, 17.2% were households with a male householder and no spouse or partner present, and 32.7% were households with a female householder and no spouse or partner present. About 31.5% of all households were made up of individuals and 17.5% had someone living alone who was 65 years of age or older. There were 2,816 housing units, of which 10.5% were vacant. The homeowner vacancy rate was 2.6% and the rental vacancy rate was 9.0%.
2000 census As of the
census of 2000, 5,586 people, 2,315 households, and 1,537 families were residing in the city. The population density was . The 2,511 housing units had an average density of . The
racial makeup of the city was 86.6% White, 7.32% African American, 0.14% Native American, 1.61% Asian, 0.02% Pacific Islander, 0.41% from other races, and 1.97% from two or more races. Hispanics or Latinos of any race were 3.6% of the population. Of the 2,315 households, 27.4% had children under 18 living with them, 49.0% were married couples living together, 13.9% had a female householder with no husband present, and 33.6% were not families. About 30.5% of all households were made up of individuals, and 14.3% had someone living alone who was 65 or older. The average household size was 2.32 and the average family size was 2.87. In the city, the age distribution was 23.0% under 18, 8.1% from 18 to 24, 25.1% from 25 to 44, 23.3% from 45 to 64, and 20.5% who were 65 or older. The median age was 40 years. For every 100 females, there were 82.1 males. For every 100 females 18 and over, there were 77.4 males. The median income for a household in the city was $28,323, and for a family was $35,269. Males had a median income of $29,982 versus $23,075 for females. The
per capita income for the city was $16,746. About 11.5% of families and 16.4% of the population were below the
poverty line, including 29.5% of those under 18 and 18.1% of those 65 or over. ==Economy==