Mercer County Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Mercer County | New Jersey | U.S. |
| Total Housing Units | 144,069, 100% | 3,572,138 | 132,741,033 |
| 1 Room | 2,573, 1.79%, see rank | 2.71% | 1.95% |
| 2 Rooms | 2,967, 2.06%, see rank | 2.15% | 2.48% |
| 3 Rooms | 13,749, 9.54%, see rank | 10.30% | 9.13% |
| 4 Rooms | 20,920, 14.52%, see rank | 15.19% | 16.60% |
| 5 Rooms | 21,476, 14.91%, see rank | 16.72% | 20.41% |
| 6 Rooms | 26,675, 18.52%, see rank | 16.15% | 18.06% |
| 7 Rooms | 20,186, 14.01%, see rank | 12.48% | 12.27% |
| 8 Rooms | 14,910, 10.35%, see rank | 10.49% | 8.48% |
| 9 Rooms or More | 20,613, 14.31%, see rank | 13.81% | 10.60% |
| Median Rooms | 5.90, see rank | 5.70 | 5.50 |
ACS 2008-2012 data
| | Mercer County | New Jersey | U.S. |
| Total Housing Units | 143,311, 100% | 3,555,864 | 131,642,457 |
| 1 Room | 2,681, 1.87%, see rank | 3.35% | 1.95% |
| 2 Rooms | 2,876, 2.01%, see rank | 2.14% | 2.36% |
| 3 Rooms | 14,230, 9.93%, see rank | 10.09% | 8.97% |
| 4 Rooms | 20,373, 14.22%, see rank | 14.87% | 16.57% |
| 5 Rooms | 21,540, 15.03%, see rank | 16.27% | 20.41% |
| 6 Rooms | 26,351, 18.39%, see rank | 16.10% | 18.25% |
| 7 Rooms | 19,685, 13.74%, see rank | 12.48% | 12.38% |
| 8 Rooms | 15,224, 10.62%, see rank | 10.64% | 8.59% |
| 9 Rooms or More | 20,351, 14.20%, see rank | 14.05% | 10.52% |
| Median Rooms | 5.90, see rank | 5.70 | 5.50 |
ACS 2006-2010 data
| | Mercer County | New Jersey | U.S. |
| Total Housing Units | 142,377, 100% | 3,529,033 | 130,038,080 |
| 1 Room | 2,103, 1.48%, see rank | 2.63% | 1.59% |
| 2 Rooms | 3,356, 2.36%, see rank | 2.55% | 2.62% |
| 3 Rooms | 13,453, 9.45%, see rank | 10.37% | 9.02% |
| 4 Rooms | 20,021, 14.06%, see rank | 14.90% | 16.85% |
| 5 Rooms | 22,721, 15.96%, see rank | 16.58% | 20.93% |
| 6 Rooms | 26,472, 18.59%, see rank | 16.33% | 18.56% |
| 7 Rooms | 20,021, 14.06%, see rank | 12.78% | 12.38% |
| 8 Rooms | 15,603, 10.96%, see rank | 10.67% | 8.39% |
| 9 Rooms or More | 18,627, 13.08%, see rank | 13.18% | 9.65% |
| Median Rooms | 5.90, see rank | 5.70 | 5.50 |
ACS 2005-2009 data
| | Mercer County | New Jersey | U.S. |
| Total Housing Units | 140,279, 100% | 3,492,160 | 127,699,712 |
| 1 Room | 1,982, 1.41%, see rank | 2.17% | 1.39% |
| 2 Rooms | 3,627, 2.59%, see rank | 2.72% | 2.78% |
| 3 Rooms | 13,256, 9.45%, see rank | 10.39% | 9.07% |
| 4 Rooms | 20,043, 14.29%, see rank | 15.07% | 17.03% |
| 5 Rooms | 22,778, 16.24%, see rank | 16.79% | 21.24% |
| 6 Rooms | 25,622, 18.27%, see rank | 16.50% | 18.70% |
| 7 Rooms | 19,333, 13.78%, see rank | 12.92% | 12.36% |
| 8 Rooms | 15,340, 10.94%, see rank | 10.68% | 8.26% |
| 9 Rooms or More | 18,298, 13.04%, see rank | 12.75% | 9.16% |
| Median Rooms | 5.80, see rank | 5.70 | 5.40 |
US Census 2000 data
| | Mercer County | New Jersey | U.S. |
| Total Housing Units | 133,280, 100% | 3,310,275 | 115,904,641 |
| 1 Room | 2,302, 1.73%, see rank | 1.88% | 2.20% |
| 2 Rooms | 4,357, 3.27%, see rank | 3.85% | 4.81% |
| 3 Rooms | 13,220, 9.92%, see rank | 10.72% | 9.84% |
| 4 Rooms | 17,790, 13.35%, see rank | 14.45% | 15.97% |
| 5 Rooms | 20,175, 15.14%, see rank | 17.03% | 20.89% |
| 6 Rooms | 24,241, 18.19%, see rank | 17.02% | 18.45% |
| 7 Rooms | 19,113, 14.34%, see rank | 13.08% | 12.06% |
| 8 Rooms | 16,355, 12.27%, see rank | 11.06% | 8.06% |
| 9 Rooms or More | 15,727, 11.80%, see rank | 10.91% | 7.70% |
| Median Rooms | 5.90, see rank | 5.60 | 5.30 |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
