Climate

2020 census

As of the 2020 census, Piedmont had a population of 971. The median age was 41.1 years. 22.5% of residents were under the age of 18 and 18.6% of residents were 65 years of age or older. For every 100 females there were 106.2 males, and for every 100 females age 18 and over there were 106.3 males age 18 and over. ^{[16] [17]}

79.5% of residents lived in urban areas, while 20.5% lived in rural areas. ^[18]

There were 384 households in Piedmont, of which 28.6% had children under the age of 18 living in them. Of all households, 55.5% were married-couple households, 18.5% were households with a male householder and no spouse or partner present, and 16.7% were households with a female householder and no spouse or partner present. About 22.1% of all households were made up of individuals and 9.1% had someone living alone who was 65 years of age or older. ^[16]

There were 423 housing units, of which 9.2% were vacant. The homeowner vacancy rate was 0.0% and the rental vacancy rate was 21.6%. ^[16]

2010 census

As of the census ^[19] of 2010, 222 people, 101 households, and 64 families were residing in the city. The population density was 765.5 inhabitants per square mile (295.6/km²). The 110 housing units had an average density of 379.3 per square mile (146.4/km²). The racial makeup of the city was 91.4% White, 0.5% African American, 6.8% Native American, 0.5% from other races, and 0.9% from two or more races. Hispanics or Latinos of any race were 1.8% of the population.

Of the 101 households, 23.8% had children under 18 living with them, 53.5% were married couples, 5.9% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 36.6% were not families. About 30.7% of all households were made up of individuals, and 12.9% had someone living alone who was 65 or older. The average household size was 2.20, and the average family size was 2.66.

The median age in the city was 43.8 years; 18.9% of residents were under the age of 18; 9.2% were between 18 and 24; 23.5% were from 25 to 44; 37% were from 45 to 64; and 11.7% were 65 or older. The gender makeup of the city was 52.3% male and 47.7% female.