2020 census
As of the 2020 census, Pierson had a population of 1,542.[14] The median age was 41.3 years. 23.9% of residents were under the age of 18 and 17.3% of residents were 65 years of age or older. For every 100 females there were 102.1 males, and for every 100 females age 18 and over there were 106.0 males age 18 and over.[15]
0.0% of residents lived in urban areas, while 100.0% lived in rural areas.[16]
There were 527 households in Pierson, of which 34.9% had children under the age of 18 living in them. Of all households, 52.2% were married-couple households, 19.9% were households with a male householder and no spouse or partner present, and 21.1% were households with a female householder and no spouse or partner present. About 20.5% of all households were made up of individuals and 11.4% had someone living alone who was 65 years of age or older.[15]
There were 586 housing units, of which 10.1% were vacant. The homeowner vacancy rate was 1.8% and the rental vacancy rate was 7.2%.[15]
2000 census
As of the census of 2000, there were 2,596 people, 484 households, and 378 families residing in the town. The population density was 123.1 people/km2 (319 people/mi2). There were 514 housing units at an average density of 24.4 units/km2 (63 units/mi2). The racial makeup of the town was 81.93% White, 4.93% African American, 0.27% Native American, 0.08% Asian, 11.48% from other races, and 1.31% from two or more races. Hispanic or Latino of any race were 62.44% of the population.
In 2000, there were 484 households out of which 43.2% had children under the age of 18 living with them, 61.2% were married couples living together, 10.5% had a female householder with no husband present, and 21.9% were non-families. 18.0% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older. The average household size was 3.35 and the average family size was 3.71.
In 2000, in the town, the population was spread out, with 21.7% under the age of 18, 18.7% from 18 to 24, 38.4% from 25 to 44, 14.2% from 45 to 64, and 6.9% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 142.6 males. For every 100 females age 18 and over, there were 149.9 males.
In 2000, the median income for a household in the town was $26,773, and the median income for a family was $27,461. Males had a median income of $30,247 versus $14,605 for females. The per capita income for the town was $12,450. About 22.8% of families and 33.6% of the population were below the poverty line, including 39.9% of those under age 18 and 21.8% of those age 65 or over.