New Underwood (Lakota: wóȟešma tȟéča; "new undergrowth") is a city in Pennington County, South Dakota, United States. The population was 590 at the 2020 Census.
New Underwood got its start circa 1906. The city was named for John Underwood, a cattleman. Until 2017, it was home to the world’s smallest biker bar, which is now closed.
Geography
According to the United States Census Bureau, the city has a total area of , all land.
Demographics
2020 census
As of the 2020 census, New Underwood had a population of 590. The median age was 40.0 years. 23.6% of residents were under the age of 18 and 20.8% of residents were 65 years of age or older. For every 100 females there were 100.7 males, and for every 100 females age 18 and over there were 93.6 males age 18 and over.
0.0% of residents lived in urban areas, while 100.0% lived in rural areas.
There were 237 households in New Underwood, of which 31.2% had children under the age of 18 living in them. Of all households, 40.5% were married-couple households, 25.3% were households with a male householder and no spouse or partner present, and 24.9% were households with a female householder and no spouse or partner present. About 35.5% of all households were made up of individuals and 13.5% had someone living alone who was 65 years of age or older.
! Race !! Number !! Percent
|-
| White || 508 || 86.1%
|-
| Black or African American || 1 || 0.2%
|-
| American Indian and Alaska Native || 33 || 5.6%
|-
| Asian || 7 || 1.2%
|-
| Native Hawaiian and Other Pacific Islander || 0 || 0.0%
|-
| Some other race || 8 || 1.4%
|-
| Two or more races || 33 || 5.6%
|-
| Hispanic or Latino (of any race) || 13 || 2.2%
|}
2010 census
As of the census of 2010, there were 660 people, 248 households, and 162 families living in the city. The population density was . There were 280 housing units at an average density of . The racial makeup of the city was 89.5% White, 6.4% Native American, 0.2% Asian, 0.8% from other races, and 3.2% from two or more races. Hispanic or Latino of any race were 2.7% of the population.
There were 248 households, of which 34.3% had children under the age of 18 living with them, 47.6% were married couples living together, 13.7% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 34.7% were non-families. 28.6% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.09.
The median age in the city was 39.9 years. 27.4% of residents were under the age of 18; 6.5% were between the ages of 18 and 24; 23.2% were from 25 to 44; 26.9% were from 45 to 64; and 16.1% were 65 years of age or older. The gender makeup of the city was 50.2% male and 49.8% female.
2000 census
As of the census