USA.com / Maryland / Harford County / Bel Air, MD / 21015 / Population and Races / Historical Household and Family Data
21015 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 28,053
| 21015 Zip Code | Maryland | U.S. | |
| Total Households | 9,706, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.88, see rank | 2.67 | 2.63 |
| 1 Person Households | 1,890, 19.47%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 7,816, 80.53%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 7,533, 77.61%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.37, see rank | 3.35 | 3.32 |
| Married-Couple Family | 6,204, 63.92%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 2,173, 22.39%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 27,763
| 21015 Zip Code | Maryland | U.S. | |
| Total Households | 9,822, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.82, see rank | 2.61 | 2.58 |
| 1 Person Households | 1,824, 18.57%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 7,998, 81.43%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 7,629, 77.67%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.22, see rank | 3.15 | 3.14 |
| Married-Couple Family | 6,395, 65.11%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 2,193, 22.33%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 28,286
| 21015 Zip Code | Maryland | U.S. | |
| Total Households | 9,713, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.90, see rank | 2.64 | 2.61 |
| 1 Person Households | 1,847, 19.02%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 7,866, 80.98%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 7,677, 79.04%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.37, see rank | 3.32 | 3.29 |
| Married-Couple Family | 6,452, 66.43%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 2,036, 20.96%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 23,744
| 21015 Zip Code | Maryland | U.S. | |
| Total Households | 8,287, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.86, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,239, 14.95%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 7,048, 85.05%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 6,742, 81.36%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.19, see rank | 3.13 | 3.14 |
| Married-Couple Family | 5,831, 70.36%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 1,545, 18.64%, see rank | 31.38% | 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.