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21158 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 20,113
| 21158 Zip Code | Maryland | U.S. | |
| Total Households | 7,226, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.76, see rank | 2.67 | 2.63 |
| 1 Person Households | 1,489, 20.61%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 5,737, 79.39%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 5,449, 75.41%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.26, see rank | 3.35 | 3.32 |
| Married-Couple Family | 4,460, 61.72%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 1,777, 24.59%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 20,234
| 21158 Zip Code | Maryland | U.S. | |
| Total Households | 7,368, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.73, see rank | 2.61 | 2.58 |
| 1 Person Households | 1,437, 19.50%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 5,931, 80.50%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 5,587, 75.83%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.14, see rank | 3.15 | 3.14 |
| Married-Couple Family | 4,607, 62.53%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 1,781, 24.17%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 19,673
| 21158 Zip Code | Maryland | U.S. | |
| Total Households | 7,130, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.72, see rank | 2.64 | 2.61 |
| 1 Person Households | 1,498, 21.01%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 5,632, 78.99%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 5,348, 75.01%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.20, see rank | 3.32 | 3.29 |
| Married-Couple Family | 4,266, 59.83%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 1,782, 24.99%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 18,131
| 21158 Zip Code | Maryland | U.S. | |
| Total Households | 6,400, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.80, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,087, 16.98%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 5,313, 83.02%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 5,002, 78.16%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.16, see rank | 3.13 | 3.14 |
| Married-Couple Family | 4,250, 66.41%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 1,398, 21.84%, 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.