Marathon city, Iowa
Official LSAD Designation: Marathon city • Census GEOID: 1949260
• Buena Vista County
Marathon city is an incorporated city in Buena Vista County, Iowa. According to official records from the Census (2025), Marathon city had an estimated population of 213 residents. Official Census Bureau geographic records classify this community under LSAD designation Marathon city (GEOID 1949260).
Local Government Administration U.S. Census Bureau GMAF
City Of Marathon
Municipal
Official Title:
City Clerk
Address:
PO BOX 189, MARATHON IA 50565-0189
County Of Buena Vista
County
Official Title:
Auditor
Address:
PO BOX 220, STORM LAKE IA 50588-0220
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 213 | 2025 |
| Median Household Income | $39,375 | 2020-2024 |
| Median Home Value | $46,900 | 2020-2024 |
| Land Area | 0.75 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).