Delmont city, South Dakota
Official LSAD Designation: Delmont city • Census GEOID: 4616060
• Douglas County
Delmont city is an incorporated city in Douglas County, South Dakota. According to official records from the Census (2025), Delmont city had an estimated population of 154 residents. Official Census Bureau geographic records classify this community under LSAD designation Delmont city (GEOID 4616060).
Local Government Administration U.S. Census Bureau GMAF
City Of Delmont
Municipal
Official Title:
Mayor
Address:
PO BOX 202, DELMONT SD 57330-0202
County Of Douglas
County
Official Title:
Auditor
Address:
PO BOX 159, ARMOUR SD 57313-0159
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 154 | 2025 |
| Median Household Income | $42,000 | 2020-2024 |
| Median Home Value | $86,700 | 2020-2024 |
| Land Area | 0.76 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).