Knox County Historical Household and Family Data
ACS 2010-2014 data
Total population: 52,447
Knox County | Illinois | U.S. | |
Total Households | 21,438, 100% | 4,778,633 | 116,211,092 |
Average Household Size | 2.25, see rank | 2.63 | 2.63 |
1 Person Households | 7,434, 34.68%, see rank | 28.68% | 27.57% |
2 or More Person Households | 14,004, 65.32%, see rank | 71.32% | 72.43% |
Family Households (Families) | 12,621, 58.87%, see rank | 65.52% | 66.22% |
Average Family Size | 3.00, see rank | 3.36 | 3.32 |
Married-Couple Family | 9,283, 43.30%, see rank | 48.22% | 48.42% |
Nonfamily Households | 8,817, 41.13%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 52,919
Knox County | Illinois | U.S. | |
Total Households | 21,535, 100% | 4,836,972 | 116,716,292 |
Average Household Size | 2.27, see rank | 2.59 | 2.58 |
1 Person Households | 6,954, 32.29%, see rank | 27.83% | 26.74% |
2 or More Person Households | 14,581, 67.71%, see rank | 72.17% | 73.26% |
Family Households (Families) | 13,324, 61.87%, see rank | 65.81% | 66.43% |
Average Family Size | 2.84, see rank | 3.20 | 3.14 |
Married-Couple Family | 9,847, 45.73%, see rank | 48.23% | 48.42% |
Nonfamily Households | 8,211, 38.13%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 52,698
Knox County | Illinois | U.S. | |
Total Households | 21,736, 100% | 4,774,275 | 115,226,802 |
Average Household Size | 2.22, see rank | 2.62 | 2.61 |
1 Person Households | 7,560, 34.78%, see rank | 28.52% | 27.45% |
2 or More Person Households | 14,176, 65.22%, see rank | 71.48% | 72.55% |
Family Households (Families) | 13,004, 59.83%, see rank | 65.82% | 66.47% |
Average Family Size | 2.95, see rank | 3.34 | 3.29 |
Married-Couple Family | 9,705, 44.65%, see rank | 48.67% | 48.97% |
Nonfamily Households | 8,732, 40.17%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 52,932
Knox County | Illinois | U.S. | |
Total Households | 21,863, 100% | 4,769,951 | 114,235,996 |
Average Household Size | 2.21, see rank | 2.61 | 2.59 |
1 Person Households | 7,026, 32.14%, see rank | 28.23% | 27.24% |
2 or More Person Households | 14,837, 67.86%, see rank | 71.77% | 72.76% |
Family Households (Families) | 13,791, 63.08%, see rank | 66.28% | 66.75% |
Average Family Size | 2.83, see rank | 3.31 | 3.25 |
Married-Couple Family | 10,355, 47.36%, see rank | 49.36% | 49.60% |
Nonfamily Households | 8,072, 36.92%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 52,077
Knox County | Illinois | U.S. | |
Total Households | 21,876, 100% | 4,749,388 | 112,611,029 |
Average Household Size | 2.16, see rank | 2.62 | 2.60 |
1 Person Households | 7,072, 32.33%, see rank | 28.40% | 27.32% |
2 or More Person Households | 14,804, 67.67%, see rank | 71.60% | 72.68% |
Family Households (Families) | 13,849, 63.31%, see rank | 66.09% | 66.67% |
Average Family Size | 2.78, see rank | 3.34 | 3.27 |
Married-Couple Family | 10,603, 48.47%, see rank | 49.35% | 49.71% |
Nonfamily Households | 8,027, 36.69%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 55,836
Knox County | Illinois | U.S. | |
Total Households | 22,056, 100% | 4,591,779 | 105,480,101 |
Average Household Size | 2.33, see rank | 2.63 | 2.59 |
1 Person Households | 6,539, 29.65%, see rank | 26.78% | 25.82% |
2 or More Person Households | 15,517, 70.35%, see rank | 73.22% | 74.18% |
Family Households (Families) | 14,429, 65.42%, see rank | 67.63% | 68.06% |
Average Family Size | 2.87, see rank | 3.23 | 3.14 |
Married-Couple Family | 11,328, 51.36%, see rank | 51.26% | 51.66% |
Nonfamily Households | 7,627, 34.58%, 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.