Onaka town, South Dakota
Official LSAD Designation: Onaka town • Census GEOID: 4646980
• Faulk County
Onaka town is an incorporated town in Faulk County, South Dakota. According to official records from the Census (2025), Onaka town had an estimated population of 14 residents. Official Census Bureau geographic records classify this community under LSAD designation Onaka town (GEOID 4646980).
Local Government Administration U.S. Census Bureau GMAF
Town Of Onaka
Municipal
Official Title:
Mayor
Address:
PO BOX 305, ONAKA SD 57466-0305
County Of Faulk
County
Official Title:
Deputy Auditor
Address:
PO BOX 309, FAULKTON SD 57438-0309
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 14 | 2025 |
| Median Household Income | Data unavailable | ACS 5-Year |
| Median Home Value | Data unavailable | ACS 5-Year |
| Land Area | 0.26 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).