New Underwood Flag

New Underwood

County Seat:
No
Area (mi²):
1.459
State:
South Dakota

New Underwood is a city located in Pennington County, South Dakota. New Underwood has a 2025 population of 621. New Underwood is currently growing at a rate of 0.98% annually and its population has increased by 4.72% since the most recent census, which recorded a population of 593 in 2020.

The average household income in New Underwood is $61,571 with a poverty rate of 23.46%.The median age in New Underwood is 38.6 years: 39.7 years for males, and 36.8 years for females.

621
Total Population
426
Density (mi²)
6 0.98%
Growth

New Underwood Population

New Underwood Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of New Underwood includes 79.18% White, 10.41% Native American, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White42679.18%
Native American5610.41%
Two or more races539.85%
Black or African American30.56%

New Underwood Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

New Underwood's average per capita income is $39,432. Household income levels show a median of $54,167. The poverty rate stands at 23.46%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$90,417-
Families$69,375$74,183
Households$54,167$61,571
Non Families-$28,842

$39,432

Average Income

$54,167

Median Household Income

23.46%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)