Illinois Valley Central Unit School District 321 Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | Illinois Valley Central Unit School District 321 | Illinois | U.S. |
| Total Housing Units | 5,770, 100% | 5,299,433 | 132,741,033 |
| 1-unit, Detached | 4,768, 82.63%, see rank | 58.58% | 61.65% |
| 1-unit, Attached | 71, 1.23%, see rank | 5.85% | 5.82% |
| 2 Units | 97, 1.68%, see rank | 5.71% | 3.75% |
| 3 or 4 Units | 268, 4.64%, see rank | 6.80% | 4.43% |
| 5 to 9 Units | 228, 3.95%, see rank | 6.22% | 4.78% |
| 10 or More Units | 78, 1.35%, see rank | 14.23% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 260, 4.51%, see rank | 2.61% | 6.49% |
ACS 2008-2012 data
| | Illinois Valley Central Unit School District 321 | Illinois | U.S. |
| Total Housing Units | 5,700, 100% | 5,293,619 | 131,642,457 |
| 1-unit, Detached | 4,795, 84.12%, see rank | 58.53% | 61.70% |
| 1-unit, Attached | 18, 0.32%, see rank | 5.88% | 5.79% |
| 2 Units | 120, 2.11%, see rank | 5.82% | 3.80% |
| 3 or 4 Units | 176, 3.09%, see rank | 6.84% | 4.44% |
| 5 to 9 Units | 163, 2.86%, see rank | 6.16% | 4.78% |
| 10 or More Units | 87, 1.53%, see rank | 14.09% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 341, 5.98%, see rank | 2.68% | 6.60% |
ACS 2006-2010 data
| | Illinois Valley Central Unit School District 321 | Illinois | U.S. |
| Total Housing Units | 5,698, 100% | 5,267,614 | 130,038,080 |
| 1-unit, Detached | 4,834, 84.84%, see rank | 58.49% | 61.62% |
| 1-unit, Attached | 25, 0.44%, see rank | 5.79% | 5.74% |
| 2 Units | 141, 2.47%, see rank | 6.01% | 3.88% |
| 3 or 4 Units | 201, 3.53%, see rank | 6.78% | 4.47% |
| 5 to 9 Units | 174, 3.05%, see rank | 6.21% | 4.84% |
| 10 or More Units | 89, 1.56%, see rank | 13.96% | 12.68% |
| Mobile Home, Boat, RV, Van, etc. | 234, 4.11%, see rank | 2.76% | 6.76% |
ACS 2005-2009 data
| | Illinois Valley Central Unit School District 321 | Illinois | U.S. |
| Total Housing Units | 4,983, 100% | 5,234,756 | 127,699,712 |
| 1-unit, Detached | 4,240, 85.09%, see rank | 58.32% | 61.57% |
| 1-unit, Attached | 69, 1.38%, see rank | 5.63% | 5.70% |
| 2 Units | 125, 2.51%, see rank | 6.18% | 3.94% |
| 3 or 4 Units | 128, 2.57%, see rank | 6.84% | 4.51% |
| 5 to 9 Units | 143, 2.87%, see rank | 6.28% | 4.87% |
| 10 or More Units | 74, 1.49%, see rank | 13.91% | 12.58% |
| Mobile Home, Boat, RV, Van, etc. | 204, 4.09%, see rank | 2.84% | 6.85% |
* 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.
