What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Warren County | New Jersey | United States |
|---|---|---|---|
| Detached house | 68% | 53% | 61% |
| Attached house | 11% | 10% | 6% |
| Building of 2 to 4 | 8% | 15% | 8% |
| Apartments (5 or more) | 12% | 22% | 19% |
| Mobile home | 1% | 1% | 6% |
| Boat, RV and other | Unreliable estimate | 0% | 0% |
In Warren County, 7 in 10 homes are single-family detached houses; in New Jersey, 5.
| Measure | Warren County | New Jersey | United States |
|---|---|---|---|
| Before 1960 | 38% | 38% | 26% |
| 1960–1979 | 23% | 25% | 24% |
| 1980–1999 | 24% | 21% | 25% |
| 2000–2009 | 12% | 9% | 14% |
| 2010 or later | 4% | 7% | 11% |
In Warren County, half of the homes were built before 1972; in New Jersey, before 1970.
In Warren County, 65% of homes have 3 bedrooms or more, more than in New Jersey (57%).