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21838 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 1,659
| 21838 Zip Code | Maryland | U.S. | |
| Total Households | 642, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.55, see rank | 2.67 | 2.63 |
| 1 Person Households | 151, 23.52%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 491, 76.48%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 442, 68.85%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.14, see rank | 3.35 | 3.32 |
| Married-Couple Family | 323, 50.31%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 200, 31.15%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 1,736
| 21838 Zip Code | Maryland | U.S. | |
| Total Households | 671, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.58, see rank | 2.61 | 2.58 |
| 1 Person Households | 149, 22.21%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 522, 77.79%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 492, 73.32%, see rank | 67.10% | 66.43% |
| Average Family Size | 2.95, see rank | 3.15 | 3.14 |
| Married-Couple Family | 384, 57.23%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 179, 26.68%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 1,710
| 21838 Zip Code | Maryland | U.S. | |
| Total Households | 684, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.44, see rank | 2.64 | 2.61 |
| 1 Person Households | 178, 26.02%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 506, 73.98%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 483, 70.61%, see rank | 66.97% | 66.47% |
| Average Family Size | 2.99, see rank | 3.32 | 3.29 |
| Married-Couple Family | 396, 57.89%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 201, 29.39%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 1,900
| 21838 Zip Code | Maryland | U.S. | |
| Total Households | 753, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.51, see rank | 2.61 | 2.59 |
| 1 Person Households | 188, 24.97%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 565, 75.03%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 538, 71.45%, see rank | 68.62% | 68.06% |
| Average Family Size | 2.96, see rank | 3.13 | 3.14 |
| Married-Couple Family | 416, 55.25%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 215, 28.55%, 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.