Mercer County Historical Household and Family Data
ACS 2010-2014 data
Total population: 369,526
| Mercer County | New Jersey | U.S. | |
| Total Households | 131,475, 100% | 3,188,498 | 116,211,092 |
| Average Household Size | 2.66, see rank | 2.72 | 2.63 |
| 1 Person Households | 35,277, 26.83%, see rank | 25.81% | 27.57% |
| 2 or More Person Households | 96,198, 73.17%, see rank | 74.19% | 72.43% |
| Family Households (Families) | 88,753, 67.51%, see rank | 69.25% | 66.22% |
| Average Family Size | 3.33, see rank | 3.39 | 3.32 |
| Married-Couple Family | 65,395, 49.74%, see rank | 50.93% | 48.42% |
| Nonfamily Households | 42,722, 32.49%, see rank | 30.75% | 33.78% |
US Census 2010 data
Total population: 366,513
| Mercer County | New Jersey | U.S. | |
| Total Households | 133,155, 100% | 3,214,360 | 116,716,292 |
| Average Household Size | 2.61, see rank | 2.68 | 2.58 |
| 1 Person Households | 35,878, 26.94%, see rank | 25.24% | 26.74% |
| 2 or More Person Households | 97,277, 73.06%, see rank | 74.76% | 73.26% |
| Family Households (Families) | 89,448, 67.18%, see rank | 69.27% | 66.43% |
| Average Family Size | 3.16, see rank | 3.22 | 3.14 |
| Married-Couple Family | 64,160, 48.18%, see rank | 51.13% | 48.42% |
| Nonfamily Households | 43,707, 32.82%, see rank | 30.73% | 33.57% |
ACS 2008-2012 data
Total population: 366,442
| Mercer County | New Jersey | U.S. | |
| Total Households | 130,292, 100% | 3,186,878 | 115,226,802 |
| Average Household Size | 2.66, see rank | 2.70 | 2.61 |
| 1 Person Households | 35,197, 27.01%, see rank | 25.97% | 27.45% |
| 2 or More Person Households | 95,095, 72.99%, see rank | 74.03% | 72.55% |
| Family Households (Families) | 87,973, 67.52%, see rank | 69.21% | 66.47% |
| Average Family Size | 3.32, see rank | 3.36 | 3.29 |
| Married-Couple Family | 64,573, 49.56%, see rank | 51.29% | 48.97% |
| Nonfamily Households | 42,319, 32.48%, see rank | 30.79% | 33.53% |
ACS 2006-2010 data
Total population: 364,445
| Mercer County | New Jersey | U.S. | |
| Total Households | 129,213, 100% | 3,176,069 | 114,235,996 |
| Average Household Size | 2.70, see rank | 2.69 | 2.59 |
| 1 Person Households | 34,523, 26.72%, see rank | 25.95% | 27.24% |
| 2 or More Person Households | 94,690, 73.28%, see rank | 74.05% | 72.76% |
| Family Households (Families) | 87,385, 67.63%, see rank | 69.23% | 66.75% |
| Average Family Size | 3.37, see rank | 3.34 | 3.25 |
| Married-Couple Family | 63,778, 49.36%, see rank | 51.72% | 49.60% |
| Nonfamily Households | 41,828, 32.37%, see rank | 30.77% | 33.25% |
ACS 2005-2009 data
Total population: 363,778
| Mercer County | New Jersey | U.S. | |
| Total Households | 127,437, 100% | 3,152,877 | 112,611,029 |
| Average Household Size | 2.75, see rank | 2.68 | 2.60 |
| 1 Person Households | 34,259, 26.88%, see rank | 25.94% | 27.32% |
| 2 or More Person Households | 93,178, 73.12%, see rank | 74.06% | 72.68% |
| Family Households (Families) | 86,378, 67.78%, see rank | 69.23% | 66.67% |
| Average Family Size | 3.43, see rank | 3.33 | 3.27 |
| Married-Couple Family | 63,424, 49.77%, see rank | 51.92% | 49.71% |
| Nonfamily Households | 41,059, 32.22%, see rank | 30.77% | 33.33% |
US Census 2000 data
Total population: 350,761
| Mercer County | New Jersey | U.S. | |
| Total Households | 125,807, 100% | 3,064,645 | 105,480,101 |
| Average Household Size | 2.62, see rank | 2.68 | 2.59 |
| 1 Person Households | 32,246, 25.63%, see rank | 24.51% | 25.82% |
| 2 or More Person Households | 93,561, 74.37%, see rank | 75.49% | 74.18% |
| Family Households (Families) | 86,288, 68.59%, see rank | 70.30% | 68.06% |
| Average Family Size | 3.16, see rank | 3.21 | 3.14 |
| Married-Couple Family | 63,604, 50.56%, see rank | 53.46% | 51.66% |
| Nonfamily Households | 39,519, 31.41%, see rank | 29.70% | 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.