Greencastle city, Indiana
Official LSAD Designation: Greencastle city • Census GEOID: 1829358
• Putnam County
Demographics & Population Profile
Population and demographics for Greencastle city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 9,924 | — | 2025 | Census |
| Median Age | 27.5 yrs | ±2.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 3,443 | ±201 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).