2020 census As of the
2020 census, Schulenburg had a population of 2,633 people residing in 1,092 households and 600 families. The median age was 46.7 years, with 22.7% of residents under the age of 18 and 26.0% who were 65 years of age or older; for every 100 females there were 84.4 males, and for every 100 females age 18 and over there were 80.8 males age 18 and over. There were 1,092 households in Schulenburg, of which 28.7% had children under the age of 18 living in them. Of all households, 38.5% were married-couple households, 18.4% were households with a male householder and no spouse or partner present, and 37.5% were households with a female householder and no spouse or partner present. About 38.1% of all households were made up of individuals and 21.5% had someone living alone who was 65 years of age or older.
2000 census As of the
2000 census, 2,699 people, 1,052 households, and 655 families lived in the city. The
population density was . The 1,226 housing units had an average density of . The
racial makeup of the city was 76.29% White, 15.45% African American, 0.30% Native American, 0.33% Asian, 6.08% from other races, and 1.56% from two or more races. Hispanics or Latinos of any race were 13.56% of the population. Of the 1,052 households, 26.8% had children under 18 living with them, 46.9% were married couples living together, 11.6% had a female householder with no husband present, and 37.7% were not families. About 34.3% of all households were made up of individuals, and 20.7% had someone living alone who was 65 or older. The average household size was 2.32, and the average family size was 2.96. In the city, the age distribution was 21.7% under 18, 6.6% from 18 to 24, 23.0% from 25 to 44, 21.1% from 45 to 64, and 27.6% who were 65 or older. The median age was 44 years. For every 100 females, there were 82.0 males. For every 100 females 18 and over, there were 76.0 males. The
median income for a household in the city was $27,619, and for a family was $36,326. Males had a median income of $26,111 versus $20,549 for females. The
per capita income for the city was $15,784. About 6.9% of families and 12.5% of the population were below the
poverty line, including 13.6% of those under age 18 and 13.5% of those age 65 or over. ==Education==