Plainfield town, Indiana
Official LSAD Designation: Plainfield town • Census GEOID: 1860246
• Hendricks County
Demographics & Population Profile
Population and demographics for Plainfield town.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 38,574 | — | 2025 | Census |
| Median Age | 38.4 yrs | ±1.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 12,809 | ±544 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).