Dekalb County Historical Household and Family Data
ACS 2010-2014 data
Total population: 104,919
| Dekalb County | Illinois | U.S. | |
| Total Households | 37,374, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.64, see rank | 2.63 | 2.63 |
| 1 Person Households | 10,439, 27.93%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 26,935, 72.07%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 22,651, 60.61%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.36, see rank | 3.36 | 3.32 |
| Married-Couple Family | 17,127, 45.83%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 14,723, 39.39%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 105,160
| Dekalb County | Illinois | U.S. | |
| Total Households | 38,484, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.56, see rank | 2.59 | 2.58 |
| 1 Person Households | 9,934, 25.81%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 28,550, 74.19%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 23,781, 61.79%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.11, see rank | 3.20 | 3.14 |
| Married-Couple Family | 18,164, 47.20%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 14,703, 38.21%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 104,820
| Dekalb County | Illinois | U.S. | |
| Total Households | 37,959, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.56, see rank | 2.62 | 2.61 |
| 1 Person Households | 10,622, 27.98%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 27,337, 72.02%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 23,183, 61.07%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.26, see rank | 3.34 | 3.29 |
| Married-Couple Family | 18,238, 48.05%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 14,776, 38.93%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 104,026
| Dekalb County | Illinois | U.S. | |
| Total Households | 37,825, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.52, see rank | 2.61 | 2.59 |
| 1 Person Households | 9,587, 25.35%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 28,238, 74.65%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 23,580, 62.34%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.16, see rank | 3.31 | 3.25 |
| Married-Couple Family | 19,008, 50.25%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 14,245, 37.66%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 104,279
| Dekalb County | Illinois | U.S. | |
| Total Households | 36,181, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.61, see rank | 2.62 | 2.60 |
| 1 Person Households | 9,360, 25.87%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 26,821, 74.13%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 22,631, 62.55%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.24, see rank | 3.34 | 3.27 |
| Married-Couple Family | 18,048, 49.88%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 13,550, 37.45%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 88,969
| Dekalb County | Illinois | U.S. | |
| Total Households | 31,674, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.56, see rank | 2.63 | 2.59 |
| 1 Person Households | 8,090, 25.54%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 23,584, 74.46%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 19,964, 63.03%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.11, see rank | 3.23 | 3.14 |
| Married-Couple Family | 16,113, 50.87%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 11,710, 36.97%, 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.