New Underwood Flag

New Underwood

County Seat:
No
Area (mi²):
1.663
State:
South Dakota

New Underwood is a city located in Pennington County, South Dakota. New Underwood has a 2026 population of 610. New Underwood is currently declining at a rate of -1.61% annually but its population has increased by 0.83% since the most recent census, which recorded a population of 605 in 2020.

The median household income in New Underwood is $56,250 with a poverty rate of 25.75%. The median age in New Underwood is 46.6 years: 48.4 years for males, and 39.7 years for females. For every 100 females there are 95.8 males.

610
Total Population
367
Density (mi²)
-10 -1.61%
Growth

New Underwood Population

New Underwood Population

Data after 2023 is projected based on recent change

Year
Population
Growth
Annual Change
2024610-10-1.61%
2023620-2-0.32%
202262281.3%
202161491.49%
202060500%
201967560.9%
201866920.3%
2017667-2-0.3%
2016669-1-0.15%
201567000%
2014670-1-0.15%
201367130.45%
2012668111.67%
201165710.15%
201065610.15%

Median Age

Overall: 46.6 years
Female: 39.7 years
Male: 48.4 years

New Underwood Adults

There are 371 adults, (112 of whom are seniors) in New Underwood.

Sex Ratio

Female: 260 (51.1%)
Male: 249 (48.9%)

Demographics

The racial composition of New Underwood includes 84.68% White, 9.23% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White43184.68%
Native American479.23%
Two or more races316.09%
Race
Population
Percentage (of total)
Native American336.48%
Two or more races101.96%
White81.57%
Race
Population
Percentage (of total)
White42383.1%
Two or more races214.13%
Native American142.75%

New Underwood Marital Status

Economics and Income Statistics

New Underwood's average per capita income is $43,036. Household income levels show a median of $56,250. The poverty rate stands at 25.75%.

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$98,681-
Families$93,750$86,069
Households$56,250$64,000
Non Families-$27,775

$43,036

Average Income

$56,250

Median Household Income

25.75%

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)