2020 census As of the
2020 census, Plainview had a population of 2,060, with 756 households and 547 families residing in the city. The median age was 42.1 years; 22.0% of residents were under the age of 18 and 17.9% of residents were 65 years of age or older. For every 100 females there were 93.2 males, and for every 100 females age 18 and over there were 92.2 males age 18 and over. There were 787 households in Plainview, of which 35.3% had children under the age of 18 living in them. Of all households, 53.6% were married-couple households, 16.1% were households with a male householder and no spouse or partner present, and 22.5% were households with a female householder and no spouse or partner present. About 22.6% of all households were made up of individuals and 10.4% had someone living alone who was 65 years of age or older.
2000 census As of the
census in the distance There were 658 households, out of which 43.9% had children under the age of 18 living with them, 66.3% were
married couples living together, 9.7% had a female householder with no husband present, and 19.0% were non-families. 15.0% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.11. In the city, the population was spread out, with 29.0% under the age of 18, 10.0% from 18 to 24, 31.7% from 25 to 44, 22.1% from 45 to 64, and 7.2% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 96.6 males. For every 100 females age 18 and over, there were 96.1 males. The average age for people living in this city is higher than the
Tennessee average, at 43.5 years. That compared to the state average of 38.7 years. The median income for a household in the city was $39,659, and the median income for a family was $39,444. Males had a median income of $26,505 versus $19,375 for females. The
per capita income for the city was $13,384. About 9.1% of families and 11.8% of the population were below the
poverty line, including 15.3% of those under age 18 and 11.5% of those age 65 or over. ==Economy==