2020 census
The median age was 42.1 years. 24.1% of residents were under the age of 18 and 23.2% of residents were 65 years of age or older. For every 100 females there were 90.4 males, and for every 100 females age 18 and over there were 83.0 males age 18 and over.[10]
0.0% of residents lived in urban areas, while 100.0% lived in rural areas.[14]
There were 841 households in Shiner, of which 32.8% had children under the age of 18 living in them. Of all households, 49.8% were married-couple households, 15.6% were households with a male householder and no spouse or partner present, and 29.4% were households with a female householder and no spouse or partner present. About 29.6% of all households were made up of individuals and 17.4% had someone living alone who was 65 years of age or older.[10]
There were 1,017 housing units, of which 17.3% were vacant. The homeowner vacancy rate was 3.1% and the rental vacancy rate was 8.3%.[10]
The most reported ancestries in 2020 were:[15]
2000 census
As of the census[2] of 2000, 2,070 people, 882 households, and 572 families resided in the city. The population density was 849.9 inhabitants per square mile (328.1/km2). The 1,016 housing units had an average density of 417.1/sq mi (160.8/km2). The racial makeup of the city was 85.60% White, 10.87% African American, 0.05% Native American, 0.29% Asian, 1.93% from other races, and 1.26% from two or more races. Hispanics or Latinos of any race were 6.09% of the population.
Of the 882 households, 26.6% had children under 18 living with them, 51.1% were married couples living together, 10.7% had a female householder with no husband present, and 35.1% were not families. About 33.4% of all households were made up of individuals, and 22.9% had someone living alone who was 65 or older. The average household size was 2.25, and the average family size was 2.86.
In the city, the age distribution was 21.8% under 18, 5.4% from 18 to 24, 23.1% from 25 to 44, 20.9% from 45 to 64, and 28.7% who were 65 or older. The median age was 45 years. For every 100 females, there were 80.9 males. For every 100 females 18, and over, there were 74.9 males.
The median income for a household in the city was $28,205, and for a family was $40,250. Males had a median income of $28,167 versus $17,426 for females. The per capita income for the city was $16,942. About 7.4% of families and 11.5% of the population were below the poverty line, including 10.7% of those under 18 and 21.0% of those 65 or over.