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21409 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 20,153
| 21409 Zip Code | Maryland | U.S. | |
| Total Households | 7,264, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.77, see rank | 2.67 | 2.63 |
| 1 Person Households | 1,681, 23.14%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 5,583, 76.86%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 5,246, 72.22%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.37, see rank | 3.35 | 3.32 |
| Married-Couple Family | 4,207, 57.92%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 2,018, 27.78%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 20,064
| 21409 Zip Code | Maryland | U.S. | |
| Total Households | 7,319, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.74, see rank | 2.61 | 2.58 |
| 1 Person Households | 1,448, 19.78%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 5,871, 80.22%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 5,484, 74.93%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.15, see rank | 3.15 | 3.14 |
| Married-Couple Family | 4,484, 61.27%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 1,835, 25.07%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 19,563
| 21409 Zip Code | Maryland | U.S. | |
| Total Households | 7,145, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.72, see rank | 2.64 | 2.61 |
| 1 Person Households | 1,690, 23.65%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 5,455, 76.35%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 5,253, 73.52%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.30, see rank | 3.32 | 3.29 |
| Married-Couple Family | 4,277, 59.86%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 1,892, 26.48%, see rank | 33.03% | 33.53% |
* 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.