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.

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

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)