New Underwood city, South Dakota
Official LSAD Designation: New Underwood city • Census GEOID: 4645060
• Pennington County
New Underwood city is an incorporated city in Pennington County, South Dakota. According to official records from the Census (2025), New Underwood city had an estimated population of 594 residents. Official Census Bureau geographic records classify this community under LSAD designation New Underwood city (GEOID 4645060).
Local Government Administration U.S. Census Bureau GMAF
City Of New Underwood
Municipal
Official Title:
Finance Officer
Address:
PO BOX 278, NEW UNDERWOOD SD 57761-0278
County Of Pennington
County
Official Title:
Chairman
Address:
315 SAINT JOSEPH ST, STE 156, RAPID CITY SD 57701-2879
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 594 | 2025 |
| Median Household Income | $56,250 | 2020-2024 |
| Median Home Value | $193,800 | 2020-2024 |
| Land Area | 1.66 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).