2020 census As of the
2020 census, Lexington had a population of 7,956. The median age was 40.7 years; 22.9% of residents were under the age of 18 and 19.7% were 65 years of age or older. For every 100 females there were 88.8 males, and for every 100 females age 18 and over there were 82.6 males age 18 and over. 76.8% of residents lived in urban areas, while 23.2% lived in rural areas. There were 3,286 households in Lexington, of which 30.7% had children under the age of 18 living in them. Of all households, 38.0% were married-couple households, 18.3% were households with a male householder and no spouse or partner present, and 36.8% were households with a female householder and no spouse or partner present. About 32.9% of all households were made up of individuals and 15.6% had someone living alone who was 65 years of age or older; those households included 1,915 families. There were 3,625 housing units, of which 9.4% were vacant. The homeowner vacancy rate was 1.8% and the rental vacancy rate was 8.8%.
2000 census As of the
census of 2000, the population density was . The 3,371 housing units had an average density of . The
racial makeup of the city was 84.50% White, 13.07% African American, 0.14% Native American, 0.26% Asian, 0.03% Pacific Islander, 0.42% from other races, and 1.60% from two or more races. Hispanics or Latinos of any race were 1.18% of the population. Of the 3,039 households, 31.2% had children under 18 living with them, 48.8% were married couples living together, 14.5% had a female householder with no husband present, and 33.0% were not families. About 30.4% of all households were made up of individuals, and 12.9% had someone living alone who was 65 or older. The average household size was 2.32 and the average family size was 2.88. In the city, the age distribution was 24.0% under 18, 8.4% from 18 to 24, 28.3% from 25 to 44, 22.3% from 45 to 64, and 17.0% who were 65 or older. The median age was 38 years. For every 100 females, there were 85.7 males. For every 100 females 18 and over, there were 80.7 males. The median income for a household in the city was $29,725, and for a family was $41,429. Males had a median income of $31,558 versus $23,212 for females. The
per capita income for the city was $18,368. About 10.2% of families and 13.2% of the population were below the
poverty line, including 14.9% of those under 18 and 12.8% of those 65 or over. ==Education==