Frederick County Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Frederick County | Maryland | U.S. |
| Total Housing Units | 91,814, 100% | 2,399,375 | 132,741,033 |
| 1 Room | 550, 0.60%, see rank | 1.15% | 1.95% |
| 2 Rooms | 917, 1.00%, see rank | 1.62% | 2.48% |
| 3 Rooms | 4,324, 4.71%, see rank | 7.62% | 9.13% |
| 4 Rooms | 8,604, 9.37%, see rank | 12.84% | 16.60% |
| 5 Rooms | 12,097, 13.18%, see rank | 14.80% | 20.41% |
| 6 Rooms | 15,602, 16.99%, see rank | 17.19% | 18.06% |
| 7 Rooms | 13,686, 14.91%, see rank | 14.01% | 12.27% |
| 8 Rooms | 12,749, 13.89%, see rank | 11.30% | 8.48% |
| 9 Rooms or More | 23,285, 25.36%, see rank | 19.47% | 10.60% |
| Median Rooms | 6.80, see rank | 6.20 | 5.50 |
ACS 2008-2012 data
| | Frederick County | Maryland | U.S. |
| Total Housing Units | 90,215, 100% | 2,378,932 | 131,642,457 |
| 1 Room | 622, 0.69%, see rank | 1.19% | 1.95% |
| 2 Rooms | 963, 1.07%, see rank | 1.55% | 2.36% |
| 3 Rooms | 3,961, 4.39%, see rank | 7.57% | 8.97% |
| 4 Rooms | 8,643, 9.58%, see rank | 12.93% | 16.57% |
| 5 Rooms | 11,923, 13.22%, see rank | 14.68% | 20.41% |
| 6 Rooms | 15,707, 17.41%, see rank | 17.04% | 18.25% |
| 7 Rooms | 12,711, 14.09%, see rank | 14.15% | 12.38% |
| 8 Rooms | 12,813, 14.20%, see rank | 11.43% | 8.59% |
| 9 Rooms or More | 22,872, 25.35%, see rank | 19.46% | 10.52% |
| Median Rooms | 6.80, see rank | 6.20 | 5.50 |
ACS 2006-2010 data
| | Frederick County | Maryland | U.S. |
| Total Housing Units | 88,435, 100% | 2,354,870 | 130,038,080 |
| 1 Room | 456, 0.52%, see rank | 0.94% | 1.59% |
| 2 Rooms | 1,268, 1.43%, see rank | 1.91% | 2.62% |
| 3 Rooms | 4,390, 4.96%, see rank | 7.80% | 9.02% |
| 4 Rooms | 7,905, 8.94%, see rank | 13.02% | 16.85% |
| 5 Rooms | 11,974, 13.54%, see rank | 15.24% | 20.93% |
| 6 Rooms | 15,357, 17.37%, see rank | 17.31% | 18.56% |
| 7 Rooms | 13,140, 14.86%, see rank | 14.12% | 12.38% |
| 8 Rooms | 12,659, 14.31%, see rank | 11.38% | 8.39% |
| 9 Rooms or More | 21,286, 24.07%, see rank | 18.27% | 9.65% |
| Median Rooms | 6.70, see rank | 6.10 | 5.50 |
ACS 2005-2009 data
| | Frederick County | Maryland | U.S. |
| Total Housing Units | 85,781, 100% | 2,313,193 | 127,699,712 |
| 1 Room | 313, 0.36%, see rank | 0.78% | 1.39% |
| 2 Rooms | 1,210, 1.41%, see rank | 2.00% | 2.78% |
| 3 Rooms | 4,606, 5.37%, see rank | 7.81% | 9.07% |
| 4 Rooms | 7,708, 8.99%, see rank | 13.04% | 17.03% |
| 5 Rooms | 11,604, 13.53%, see rank | 15.53% | 21.24% |
| 6 Rooms | 14,537, 16.95%, see rank | 17.62% | 18.70% |
| 7 Rooms | 13,542, 15.79%, see rank | 14.14% | 12.36% |
| 8 Rooms | 12,115, 14.12%, see rank | 11.50% | 8.26% |
| 9 Rooms or More | 20,146, 23.49%, see rank | 17.56% | 9.16% |
| Median Rooms | 6.70, see rank | 6.10 | 5.40 |
US Census 2000 data
| | Frederick County | Maryland | U.S. |
| Total Housing Units | 73,017, 100% | 2,145,283 | 115,904,641 |
| 1 Room | 396, 0.54%, see rank | 1.50% | 2.20% |
| 2 Rooms | 1,196, 1.64%, see rank | 3.52% | 4.81% |
| 3 Rooms | 3,395, 4.65%, see rank | 8.03% | 9.84% |
| 4 Rooms | 6,226, 8.53%, see rank | 11.67% | 15.97% |
| 5 Rooms | 10,744, 14.71%, see rank | 15.60% | 20.89% |
| 6 Rooms | 13,373, 18.31%, see rank | 18.50% | 18.45% |
| 7 Rooms | 12,173, 16.67%, see rank | 14.10% | 12.06% |
| 8 Rooms | 11,257, 15.42%, see rank | 12.17% | 8.06% |
| 9 Rooms or More | 14,257, 19.53%, see rank | 14.91% | 7.70% |
| Median Rooms | 6.60, see rank | 6.00 | 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.
