Calamus city, Iowa
Official LSAD Designation: Calamus city • Census GEOID: 1909820
• Clinton County
Calamus city is an incorporated city in Clinton County, Iowa. According to official records from the Census (2025), Calamus city had an estimated population of 346 residents. Official Census Bureau geographic records classify this community under LSAD designation Calamus city (GEOID 1909820).
Local Government Administration U.S. Census Bureau GMAF
City Of Calamus
Municipal
Official Title:
City Clerk
Address:
PO BOX 248, CALAMUS IA 52729-0248
County Of Clinton
County
Official Title:
Chairperson
Address:
PO BOX 2958, CLINTON IA 52733-2958
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 346 | 2025 |
| Median Household Income | $68,250 | 2020-2024 |
| Median Home Value | $148,100 | 2020-2024 |
| Land Area | 0.49 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).