USA.com / Maryland / Baltimore County / Hunt Valley, MD / 21031 / Population and Races / Historical Household and Family Data
21031 Zip Code Historical Household and Family Data
US Census 2010 data
Total population: 4
| 21031 Zip Code | Maryland | U.S. | |
| Total Households | 2, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.00, see rank | 2.61 | 2.58 |
| 1 Person Households | 1, 50.00%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 1, 50.00%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 1, 50.00%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.00, see rank | 3.15 | 3.14 |
| Married-Couple Family | 1, 50.00%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 1, 50.00%, see rank | 32.90% | 33.57% |
US Census 2000 data
Total population: 59
| 21031 Zip Code | Maryland | U.S. | |
| Total Households | 1, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 1.00, see rank | 2.61 | 2.59 |
| 1 Person Households | 1, 100.00%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 0, 0.00%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 0, 0.00%, see rank | 68.62% | 68.06% |
| Average Family Size | 0.00, see rank | 3.13 | 3.14 |
| Married-Couple Family | 0, 0.00%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 1, 100.00%, 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.