What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Portland | Lower Connecticut River Valley Planning Region | Connecticut | United States |
|---|---|---|---|---|
| Detached house | 73% | 72% | 59% | 61% |
| Attached house | Unreliable estimate | 4% | 7% | 6% |
| Building of 2 to 4 | 19% | 10% | 16% | 8% |
| Apartments (5 or more) | Unreliable estimate | 13% | 19% | 19% |
| Mobile home | Unreliable estimate | 1% | 1% | 6% |
| Boat, RV and other | Unreliable estimate | Unreliable estimate | 0% | 0% |
The detached house is the most common home in Portland: 73% of homes, near the figure in Lower Connecticut River Valley Planning Region (72%).
| Measure | Portland | Lower Connecticut River Valley Planning Region | Connecticut | United States |
|---|---|---|---|---|
| Before 1960 | 60% | 35% | 41% | 26% |
| 1960–1979 | 20% | 28% | 27% | 24% |
| 1980–1999 | 5% | 24% | 20% | 25% |
| 2000–2009 | 14% | 9% | 7% | 14% |
| 2010 or later | Unreliable estimate | 4% | 5% | 11% |
In Portland, half of the homes were built before 1955; in Lower Connecticut River Valley Planning Region, before 1972.