37221 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 37221 Zip Code | Tennessee | U.S. |
| Total Housing Units | 17,244, 100% | 2,839,142 | 132,741,033 |
| 1-unit, Detached | 8,869, 51.43%, see rank | 68.74% | 61.65% |
| 1-unit, Attached | 3,391, 19.66%, see rank | 3.11% | 5.82% |
| 2 Units | 318, 1.84%, see rank | 3.00% | 3.75% |
| 3 or 4 Units | 775, 4.49%, see rank | 3.14% | 4.43% |
| 5 to 9 Units | 1,117, 6.48%, see rank | 4.62% | 4.78% |
| 10 or More Units | 2,627, 15.23%, see rank | 7.73% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 147, 0.85%, see rank | 9.67% | 6.49% |
ACS 2008-2012 data
| | 37221 Zip Code | Tennessee | U.S. |
| Total Housing Units | 17,329, 100% | 2,811,854 | 131,642,457 |
| 1-unit, Detached | 8,931, 51.54%, see rank | 68.69% | 61.70% |
| 1-unit, Attached | 3,164, 18.26%, see rank | 3.11% | 5.79% |
| 2 Units | 423, 2.44%, see rank | 2.95% | 3.80% |
| 3 or 4 Units | 826, 4.77%, see rank | 3.06% | 4.44% |
| 5 to 9 Units | 1,107, 6.39%, see rank | 4.52% | 4.78% |
| 10 or More Units | 2,795, 16.13%, see rank | 7.66% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 83, 0.48%, see rank | 10.01% | 6.60% |
US Census 2000 data
| | 37221 Zip Code | Tennessee | U.S. |
| Total Housing Units | 15,887, 100% | 2,439,443 | 115,904,641 |
| 1-unit, Detached | 7,844, 49.37%, see rank | 67.31% | 60.28% |
| 1-unit, Attached | 2,384, 15.01%, see rank | 2.83% | 5.56% |
| 2 Units | 601, 3.78%, see rank | 3.40% | 4.31% |
| 3 or 4 Units | 851, 5.36%, see rank | 3.40% | 4.74% |
| 5 to 9 Units | 1,323, 8.33%, see rank | 4.42% | 4.67% |
| 10 or More Units | 2,816, 17.73%, see rank | 7.46% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 68, 0.43%, see rank | 11.19% | 7.80% |
* 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.
