Portage Des Sioux city, Missouri
Official LSAD Designation: Portage Des Sioux city • Census GEOID: 2959150
• St. Charles County
Portage Des Sioux city is an incorporated city in St. Charles County, Missouri. According to official records from the Census (2025), Portage Des Sioux city had an estimated population of 321 residents. Official Census Bureau geographic records classify this community under LSAD designation Portage Des Sioux city (GEOID 2959150).
Local Government Administration U.S. Census Bureau GMAF
City Of Portage Des Sioux
Municipal
Official Title:
Mayor
Address:
PO BOX 108, PORTAGE DES SIOUX MO 63373-0108
County Of St Charles
County
Official Title:
County Executive
Address:
100 N 3RD STREET, SUITE 318, SAINT CHARLES MO 63301
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 321 | 2025 |
| Median Household Income | $62,188 | 2020-2024 |
| Median Home Value | $173,000 | 2020-2024 |
| Land Area | 0.58 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).