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21780 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 1,623
| 21780 Zip Code | Maryland | U.S. | |
| Total Households | 571, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.59, see rank | 2.67 | 2.63 |
| 1 Person Households | 124, 21.72%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 447, 78.28%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 396, 69.35%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.15, see rank | 3.35 | 3.32 |
| Married-Couple Family | 349, 61.12%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 175, 30.65%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 1,625
| 21780 Zip Code | Maryland | U.S. | |
| Total Households | 580, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.54, see rank | 2.61 | 2.58 |
| 1 Person Households | 113, 19.48%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 467, 80.52%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 437, 75.34%, see rank | 67.10% | 66.43% |
| Average Family Size | 2.88, see rank | 3.15 | 3.14 |
| Married-Couple Family | 367, 63.28%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 143, 24.66%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 2,027
| 21780 Zip Code | Maryland | U.S. | |
| Total Households | 663, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.81, see rank | 2.64 | 2.61 |
| 1 Person Households | 121, 18.25%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 542, 81.75%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 522, 78.73%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.26, see rank | 3.32 | 3.29 |
| Married-Couple Family | 459, 69.23%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 141, 21.27%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 1,671
| 21780 Zip Code | Maryland | U.S. | |
| Total Households | 537, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.70, see rank | 2.61 | 2.59 |
| 1 Person Households | 82, 15.27%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 455, 84.73%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 435, 81.01%, see rank | 68.62% | 68.06% |
| Average Family Size | 2.98, see rank | 3.13 | 3.14 |
| Married-Couple Family | 376, 70.02%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 102, 18.99%, 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.