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Chester County Historical Household and Family Data
ACS 2010-2014 data
Total population: 506,422
| Chester County | Pennsylvania | U.S. | |
| Total Households | 185,306, 100% | 4,957,736 | 116,211,092 |
| Average Household Size | 2.65, see rank | 2.49 | 2.63 |
| 1 Person Households | 44,264, 23.89%, see rank | 29.56% | 27.57% |
| 2 or More Person Households | 141,042, 76.11%, see rank | 70.44% | 72.43% |
| Family Households (Families) | 129,876, 70.09%, see rank | 64.63% | 66.22% |
| Average Family Size | 3.23, see rank | 3.17 | 3.32 |
| Married-Couple Family | 108,255, 58.42%, see rank | 48.29% | 48.42% |
| Nonfamily Households | 55,430, 29.91%, see rank | 35.37% | 33.78% |
US Census 2010 data
Total population: 498,886
| Chester County | Pennsylvania | U.S. | |
| Total Households | 182,900, 100% | 5,018,904 | 116,716,292 |
| Average Household Size | 2.65, see rank | 2.45 | 2.58 |
| 1 Person Households | 42,032, 22.98%, see rank | 28.56% | 26.74% |
| 2 or More Person Households | 140,868, 77.02%, see rank | 71.44% | 73.26% |
| Family Households (Families) | 129,138, 70.61%, see rank | 64.98% | 66.43% |
| Average Family Size | 3.16, see rank | 3.02 | 3.14 |
| Married-Couple Family | 107,144, 58.58%, see rank | 48.17% | 48.42% |
| Nonfamily Households | 53,762, 29.39%, see rank | 35.02% | 33.57% |
ACS 2008-2012 data
Total population: 499,548
| Chester County | Pennsylvania | U.S. | |
| Total Households | 183,793, 100% | 4,959,633 | 115,226,802 |
| Average Household Size | 2.64, see rank | 2.47 | 2.61 |
| 1 Person Households | 43,006, 23.40%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 140,787, 76.60%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 130,429, 70.97%, see rank | 65.07% | 66.47% |
| Average Family Size | 3.20, see rank | 3.14 | 3.29 |
| Married-Couple Family | 109,579, 59.62%, see rank | 48.85% | 48.97% |
| Nonfamily Households | 53,364, 29.03%, see rank | 34.93% | 33.53% |
ACS 2006-2010 data
Total population: 490,571
| Chester County | Pennsylvania | U.S. | |
| Total Households | 181,136, 100% | 4,940,581 | 114,235,996 |
| Average Household Size | 2.63, see rank | 2.47 | 2.59 |
| 1 Person Households | 41,433, 22.87%, see rank | 29.10% | 27.24% |
| 2 or More Person Households | 139,703, 77.13%, see rank | 70.90% | 72.76% |
| Family Households (Families) | 128,975, 71.20%, see rank | 65.40% | 66.75% |
| Average Family Size | 3.18, see rank | 3.12 | 3.25 |
| Married-Couple Family | 107,831, 59.53%, see rank | 49.49% | 49.60% |
| Nonfamily Households | 52,161, 28.80%, see rank | 34.60% | 33.25% |
ACS 2005-2009 data
Total population: 486,301
| Chester County | Pennsylvania | U.S. | |
| Total Households | 175,312, 100% | 4,893,127 | 112,611,029 |
| Average Household Size | 2.68, see rank | 2.46 | 2.60 |
| 1 Person Households | 40,252, 22.96%, see rank | 29.06% | 27.32% |
| 2 or More Person Households | 135,060, 77.04%, see rank | 70.94% | 72.68% |
| Family Households (Families) | 125,050, 71.33%, see rank | 65.52% | 66.67% |
| Average Family Size | 3.24, see rank | 3.12 | 3.27 |
| Married-Couple Family | 104,742, 59.75%, see rank | 49.75% | 49.71% |
| Nonfamily Households | 50,262, 28.67%, see rank | 34.48% | 33.33% |
US Census 2000 data
Total population: 433,501
| Chester County | Pennsylvania | U.S. | |
| Total Households | 157,905, 100% | 4,777,003 | 105,480,101 |
| Average Household Size | 2.65, see rank | 2.48 | 2.59 |
| 1 Person Households | 35,753, 22.64%, see rank | 27.65% | 25.82% |
| 2 or More Person Households | 122,152, 77.36%, see rank | 72.35% | 74.18% |
| Family Households (Families) | 113,303, 71.75%, see rank | 67.16% | 68.06% |
| Average Family Size | 3.15, see rank | 3.04 | 3.14 |
| Married-Couple Family | 95,491, 60.47%, see rank | 51.66% | 51.66% |
| Nonfamily Households | 44,602, 28.25%, see rank | 32.84% | 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.