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21223 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 24,879
| 21223 Zip Code | Maryland | U.S. | |
| Total Households | 8,765, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.80, see rank | 2.67 | 2.63 |
| 1 Person Households | 2,924, 33.36%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 5,841, 66.64%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 5,072, 57.87%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.84, see rank | 3.35 | 3.32 |
| Married-Couple Family | 1,634, 18.64%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 3,693, 42.13%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 26,366
| 21223 Zip Code | Maryland | U.S. | |
| Total Households | 9,579, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.70, see rank | 2.61 | 2.58 |
| 1 Person Households | 3,091, 32.27%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 6,488, 67.73%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 5,646, 58.94%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.42, see rank | 3.15 | 3.14 |
| Married-Couple Family | 1,758, 18.35%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 3,933, 41.06%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 25,270
| 21223 Zip Code | Maryland | U.S. | |
| Total Households | 9,294, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.68, see rank | 2.64 | 2.61 |
| 1 Person Households | 3,571, 38.42%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 5,723, 61.58%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 5,009, 53.89%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.90, see rank | 3.32 | 3.29 |
| Married-Couple Family | 1,665, 17.91%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 4,285, 46.11%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 31,016
| 21223 Zip Code | Maryland | U.S. | |
| Total Households | 11,138, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.74, see rank | 2.61 | 2.59 |
| 1 Person Households | 3,290, 29.54%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 7,848, 70.46%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 6,974, 62.61%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.39, see rank | 3.13 | 3.14 |
| Married-Couple Family | 2,487, 22.33%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 4,164, 37.39%, 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.