Rochester, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 3,725
| Rochester, IL | Illinois | U.S. | |
| Total Households | 1,367, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.72, see rank | 2.63 | 2.63 |
| 1 Person Households | 254, 18.58%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 1,113, 81.42%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 1,089, 79.66%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.14, see rank | 3.36 | 3.32 |
| Married-Couple Family | 858, 62.77%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 278, 20.34%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 3,689
| Rochester, IL | Illinois | U.S. | |
| Total Households | 1,358, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.72, see rank | 2.59 | 2.58 |
| 1 Person Households | 261, 19.22%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 1,097, 80.78%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 1,067, 78.57%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.11, see rank | 3.20 | 3.14 |
| Married-Couple Family | 906, 66.72%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 291, 21.43%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 3,712
| Rochester, IL | Illinois | U.S. | |
| Total Households | 1,390, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.67, see rank | 2.62 | 2.61 |
| 1 Person Households | 303, 21.80%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 1,087, 78.20%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 1,077, 77.48%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.15, see rank | 3.34 | 3.29 |
| Married-Couple Family | 886, 63.74%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 313, 22.52%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 3,644
| Rochester, IL | Illinois | U.S. | |
| Total Households | 1,337, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.73, see rank | 2.61 | 2.59 |
| 1 Person Households | 282, 21.09%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 1,055, 78.91%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 1,055, 78.91%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.19, see rank | 3.31 | 3.25 |
| Married-Couple Family | 913, 68.29%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 282, 21.09%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 3,464
| Rochester, IL | Illinois | U.S. | |
| Total Households | 1,271, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.73, see rank | 2.62 | 2.60 |
| 1 Person Households | 313, 24.63%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 958, 75.37%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 948, 74.59%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.30, see rank | 3.34 | 3.27 |
| Married-Couple Family | 844, 66.40%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 323, 25.41%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 2,893
| Rochester, IL | Illinois | U.S. | |
| Total Households | 1,075, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.69, see rank | 2.63 | 2.59 |
| 1 Person Households | 195, 18.14%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 880, 81.86%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 869, 80.84%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.05, see rank | 3.23 | 3.14 |
| Married-Couple Family | 760, 70.70%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 206, 19.16%, see rank | 32.37% | 31.94% |
* 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.