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21217 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 40,614
| 21217 Zip Code | Maryland | U.S. | |
| Total Households | 15,224, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.59, see rank | 2.67 | 2.63 |
| 1 Person Households | 6,437, 42.28%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 8,787, 57.72%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 7,349, 48.27%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.99, see rank | 3.35 | 3.32 |
| Married-Couple Family | 2,131, 14.00%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 7,875, 51.73%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 37,111
| 21217 Zip Code | Maryland | U.S. | |
| Total Households | 15,222, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.36, see rank | 2.61 | 2.58 |
| 1 Person Households | 6,262, 41.14%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 8,960, 58.86%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 7,458, 48.99%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.30, see rank | 3.15 | 3.14 |
| Married-Couple Family | 2,086, 13.70%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 7,764, 51.01%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 39,788
| 21217 Zip Code | Maryland | U.S. | |
| Total Households | 15,048, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.57, see rank | 2.64 | 2.61 |
| 1 Person Households | 6,460, 42.93%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 8,588, 57.07%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 7,341, 48.78%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.96, see rank | 3.32 | 3.29 |
| Married-Couple Family | 2,052, 13.64%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 7,707, 51.22%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 41,636
| 21217 Zip Code | Maryland | U.S. | |
| Total Households | 16,841, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.42, see rank | 2.61 | 2.59 |
| 1 Person Households | 6,608, 39.24%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 10,233, 60.76%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 8,811, 52.32%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.29, see rank | 3.13 | 3.14 |
| Married-Couple Family | 2,503, 14.86%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 8,030, 47.68%, 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.