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20851 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 14,352
| 20851 Zip Code | Maryland | U.S. | |
| Total Households | 4,900, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.92, see rank | 2.67 | 2.63 |
| 1 Person Households | 1,147, 23.41%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 3,753, 76.59%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 3,282, 66.98%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.62, see rank | 3.35 | 3.32 |
| Married-Couple Family | 2,302, 46.98%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 1,618, 33.02%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 14,191
| 20851 Zip Code | Maryland | U.S. | |
| Total Households | 4,838, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.92, see rank | 2.61 | 2.58 |
| 1 Person Households | 1,075, 22.22%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 3,763, 77.78%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 3,312, 68.46%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.34, see rank | 3.15 | 3.14 |
| Married-Couple Family | 2,414, 49.90%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 1,526, 31.54%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 13,665
| 20851 Zip Code | Maryland | U.S. | |
| Total Households | 4,932, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.77, see rank | 2.64 | 2.61 |
| 1 Person Households | 1,204, 24.41%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 3,728, 75.59%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 3,231, 65.51%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.44, see rank | 3.32 | 3.29 |
| Married-Couple Family | 2,413, 48.93%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 1,701, 34.49%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 13,038
| 20851 Zip Code | Maryland | U.S. | |
| Total Households | 4,641, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.81, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,010, 21.76%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 3,631, 78.24%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 3,238, 69.77%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.24, see rank | 3.13 | 3.14 |
| Married-Couple Family | 2,528, 54.47%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 1,403, 30.23%, 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.