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Markham, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 12,625
| Markham, IL | Illinois | U.S. | |
| Total Households | 4,478, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.82, see rank | 2.63 | 2.63 |
| 1 Person Households | 1,337, 29.86%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 3,141, 70.14%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 2,922, 65.25%, see rank | 65.52% | 66.22% |
| Average Family Size | 3.68, see rank | 3.36 | 3.32 |
| Married-Couple Family | 1,349, 30.13%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 1,556, 34.75%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 12,508
| Markham, IL | Illinois | U.S. | |
| Total Households | 3,978, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 3.14, see rank | 2.59 | 2.58 |
| 1 Person Households | 735, 18.48%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 3,243, 81.52%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 3,093, 77.75%, see rank | 65.81% | 66.43% |
| Average Family Size | 3.56, see rank | 3.20 | 3.14 |
| Married-Couple Family | 1,459, 36.68%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 885, 22.25%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 12,514
| Markham, IL | Illinois | U.S. | |
| Total Households | 4,050, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 3.09, see rank | 2.62 | 2.61 |
| 1 Person Households | 774, 19.11%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 3,276, 80.89%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 3,131, 77.31%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.64, see rank | 3.34 | 3.29 |
| Married-Couple Family | 1,563, 38.59%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 919, 22.69%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 12,408
| Markham, IL | Illinois | U.S. | |
| Total Households | 3,924, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 3.16, see rank | 2.61 | 2.59 |
| 1 Person Households | 627, 15.98%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 3,297, 84.02%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 3,174, 80.89%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.59, see rank | 3.31 | 3.25 |
| Married-Couple Family | 1,559, 39.73%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 750, 19.11%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 12,201
| Markham, IL | Illinois | U.S. | |
| Total Households | 3,774, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 3.23, see rank | 2.62 | 2.60 |
| 1 Person Households | 641, 16.98%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 3,133, 83.02%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 3,058, 81.03%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.70, see rank | 3.34 | 3.27 |
| Married-Couple Family | 1,510, 40.01%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 716, 18.97%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 12,620
| Markham, IL | Illinois | U.S. | |
| Total Households | 3,842, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 3.28, see rank | 2.63 | 2.59 |
| 1 Person Households | 589, 15.33%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 3,253, 84.67%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 3,118, 81.16%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.61, see rank | 3.23 | 3.14 |
| Married-Couple Family | 1,677, 43.65%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 724, 18.84%, 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.