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21042 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 40,585
| 21042 Zip Code | Maryland | U.S. | |
| Total Households | 13,492, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 3.00, see rank | 2.67 | 2.63 |
| 1 Person Households | 1,646, 12.20%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 11,846, 87.80%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 11,537, 85.51%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.28, see rank | 3.35 | 3.32 |
| Married-Couple Family | 10,388, 76.99%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 1,955, 14.49%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 38,076
| 21042 Zip Code | Maryland | U.S. | |
| Total Households | 13,158, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.89, see rank | 2.61 | 2.58 |
| 1 Person Households | 1,882, 14.30%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 11,276, 85.70%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 10,950, 83.22%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.20, see rank | 3.15 | 3.14 |
| Married-Couple Family | 9,730, 73.95%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 2,208, 16.78%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 39,556
| 21042 Zip Code | Maryland | U.S. | |
| Total Households | 13,368, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.95, see rank | 2.64 | 2.61 |
| 1 Person Households | 1,616, 12.09%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 11,752, 87.91%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 11,419, 85.42%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.22, see rank | 3.32 | 3.29 |
| Married-Couple Family | 10,280, 76.90%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 1,949, 14.58%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 35,522
| 21042 Zip Code | Maryland | U.S. | |
| Total Households | 11,946, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.96, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,519, 12.72%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 10,427, 87.28%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 10,110, 84.63%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.25, see rank | 3.13 | 3.14 |
| Married-Couple Family | 9,119, 76.34%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 1,836, 15.37%, 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.