Climate

According to the Köppen climate classification system, Wheeler has a semiarid climate, BSk on climate maps.^[7]

2020 census

As of the 2020 United States census, there were 1,487 people, 568 households, and 415 families residing in the city.

2000 census

As of the census^[4] of 2000, 1,378 people, 520 households, and 365 families resided in the city. The population density was 900.4 inhabitants per square mile (347.6/km²). The 612 housing units averaged 399.9 per square mile (154.4/km²). The racial makeup of the city was 85.05% White, 1.81% African American, 0.44% Native American, 0.15% Asian, 10.60% from other races, and 1.96% from two or more races. Hispanics or Latinos of any race were 18.07% of the population.

Of the 520 households, 33.5% had children under the age of 18 living with them, 58.8% were married couples living together, 8.5% had a female householder with no husband present, and 29.8% were not families. About 28.3% of all households were made up of individuals, and 18.5% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.04.

In the city, the population was distributed as 25.0% under the age of 18, 8.4% from 18 to 24, 21.4% from 25 to 44, 23.4% from 45 to 64, and 21.8% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 88.0 males. For every 100 females age 18 and over, there were 83.7 males.

The median income for a household in the city was $31,375, and for a family was $36,667. Males had a median income of $27,679 versus $16,723 for females. The per capita income for the city was $17,224. About 6.8% of families and 10.2% of the population were below the poverty line, including 12.6% of those under age 18 and 10.7% of those age 65 or over.