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21701 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 36,530
| 21701 Zip Code | Maryland | U.S. | |
| Total Households | 14,998, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.35, see rank | 2.67 | 2.63 |
| 1 Person Households | 4,847, 32.32%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 10,151, 67.68%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 8,918, 59.46%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.10, see rank | 3.35 | 3.32 |
| Married-Couple Family | 6,838, 45.59%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 6,080, 40.54%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 35,293
| 21701 Zip Code | Maryland | U.S. | |
| Total Households | 14,608, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.33, see rank | 2.61 | 2.58 |
| 1 Person Households | 4,705, 32.21%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 9,903, 67.79%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 8,604, 58.90%, see rank | 67.10% | 66.43% |
| Average Family Size | 2.97, see rank | 3.15 | 3.14 |
| Married-Couple Family | 6,419, 43.94%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 6,004, 41.10%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 36,648
| 21701 Zip Code | Maryland | U.S. | |
| Total Households | 14,855, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.37, see rank | 2.64 | 2.61 |
| 1 Person Households | 4,597, 30.95%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 10,258, 69.05%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 8,802, 59.25%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.12, see rank | 3.32 | 3.29 |
| Married-Couple Family | 6,495, 43.72%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 6,053, 40.75%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 32,261
| 21701 Zip Code | Maryland | U.S. | |
| Total Households | 13,062, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.36, see rank | 2.61 | 2.59 |
| 1 Person Households | 3,982, 30.49%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 9,080, 69.51%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 7,993, 61.19%, see rank | 68.62% | 68.06% |
| Average Family Size | 2.97, see rank | 3.13 | 3.14 |
| Married-Couple Family | 6,023, 46.11%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 5,069, 38.81%, 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.