2020 census As of the
2020 census, Smithville had a population of 3,922. The median age was 42.7 years. 23.6% of residents were under the age of 18 and 21.1% of residents were 65 years of age or older. For every 100 females there were 88.4 males, and for every 100 females age 18 and over there were 85.1 males age 18 and over. 0.0% of residents lived in urban areas, while 100.0% lived in rural areas. There were 1,634 households in Smithville, of which 30.8% had children under the age of 18 living in them. Of all households, 42.7% were married-couple households, 17.1% were households with a male householder and no spouse or partner present, and 34.8% were households with a female householder and no spouse or partner present. About 31.0% of all households were made up of individuals and 16.1% had someone living alone who was 65 years of age or older. There were 1,869 housing units, of which 12.6% were vacant. The homeowner vacancy rate was 2.2% and the rental vacancy rate was 9.2%.
2000 census As of the
2000 census, there were 3,901 people, 1,491 households, and 990 families residing in the city. The population density was . There were 1,672 housing units at an average density of . The racial makeup of the city was 78.01%
White, 14.53%
African American, 0.31%
Native American, 0.41%
Asian, 5.10% from
other races, and 1.64% from two or more races.
Hispanic or
Latino of any race were 15.43% of the population. There were 1,491 households, out of which 31.0% had children under the age of 18 living with them, 49.0% were
married couples living together, 13.8% had a female householder with no husband present, and 33.6% were non-families. 28.6% of all households were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.15. In the city, the population was spread out, with 27.2% under the age of 18, 7.3% from 18 to 24, 27.3% from 25 to 44, 19.3% from 45 to 64, and 18.9% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 88.3 males. For every 100 females age 18 and over, there were 82.9 males. The median income for a household in the city was $35,586, and the median income for a family was $45,163. Males had a median income of $33,500 versus $23,409 for females. The
per capita income for the city was $16,282. About 12.1% of families and 15.9% of the population were below the
poverty line, including 21.2% of those under age 18 and 17.9% of those age 65 or over. ==Government==