Mchenry County Historical Household and Family Data
ACS 2010-2014 data
Total population: 307,888
| Mchenry County | Illinois | U.S. | |
| Total Households | 109,221, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.80, see rank | 2.63 | 2.63 |
| 1 Person Households | 21,657, 19.83%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 87,564, 80.17%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 82,682, 75.70%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.31, see rank | 3.36 | 3.32 |
| Married-Couple Family | 67,873, 62.14%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 26,539, 24.30%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 308,760
| Mchenry County | Illinois | U.S. | |
| Total Households | 109,199, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.81, see rank | 2.59 | 2.58 |
| 1 Person Households | 21,620, 19.80%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 87,579, 80.20%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 82,288, 75.36%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.25, see rank | 3.20 | 3.14 |
| Married-Couple Family | 67,988, 62.26%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 26,911, 24.64%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 308,163
| Mchenry County | Illinois | U.S. | |
| Total Households | 108,950, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.81, see rank | 2.62 | 2.61 |
| 1 Person Households | 21,767, 19.98%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 87,183, 80.02%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 82,182, 75.43%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.33, see rank | 3.34 | 3.29 |
| Married-Couple Family | 68,190, 62.59%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 26,768, 24.57%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 306,050
| Mchenry County | Illinois | U.S. | |
| Total Households | 108,106, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.82, see rank | 2.61 | 2.59 |
| 1 Person Households | 21,289, 19.69%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 86,817, 80.31%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 81,687, 75.56%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.33, see rank | 3.31 | 3.25 |
| Married-Couple Family | 68,318, 63.20%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 26,419, 24.44%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 312,946
| Mchenry County | Illinois | U.S. | |
| Total Households | 106,951, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.91, see rank | 2.62 | 2.60 |
| 1 Person Households | 21,167, 19.79%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 85,784, 80.21%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 80,905, 75.65%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.44, see rank | 3.34 | 3.27 |
| Married-Couple Family | 68,200, 63.77%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 26,046, 24.35%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 260,077
| Mchenry County | Illinois | U.S. | |
| Total Households | 89,403, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.89, see rank | 2.63 | 2.59 |
| 1 Person Households | 16,100, 18.01%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 73,303, 81.99%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 69,303, 77.52%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.31, see rank | 3.23 | 3.14 |
| Married-Couple Family | 59,453, 66.50%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 20,100, 22.48%, 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.