What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Hillsborough | Somerset County | New Jersey | United States |
|---|---|---|---|---|
| Detached house | 40% | 58% | 53% | 61% |
| Attached house | 33% | 15% | 10% | 6% |
| Building of 2 to 4 | 6% | 10% | 15% | 8% |
| Apartments (5 or more) | 21% | 18% | 22% | 19% |
| Mobile home | Unreliable estimate | 0% | 1% | 6% |
| Boat, RV and other | Unreliable estimate | Unreliable estimate | 0% | 0% |
No kind of home is the majority in Hillsborough; the largest group, detached houses, adds up to 40%, less than in Somerset County (58%).
| Measure | Hillsborough | Somerset County | New Jersey | United States |
|---|---|---|---|---|
| Before 1960 | 6% | 24% | 38% | 26% |
| 1960–1979 | 25% | 22% | 25% | 24% |
| 1980–1999 | 63% | 37% | 21% | 25% |
| 2000–2009 | 3% | 10% | 9% | 14% |
| 2010 or later | 3% | 7% | 7% | 11% |
The typical year built in Hillsborough is 1985, about the same as in Somerset County (1982).
There are fewer big homes in Hillsborough than in Somerset County: 49% have 3 bedrooms or more, against 62%.