Carbon city, Iowa
Official LSAD Designation: Carbon city • Census GEOID: 1910585
• Adams County
Demographics & Population Profile
Population and demographics for Carbon city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 33 | — | 2025 | Census |
| Median Age | 66.8 yrs | ±8.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 28 | ±16 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).