USA.com / Maryland / Harford County / Gunpowder, MD / 21010 / Population and Races / Historical Household and Family Data
21010 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 93
| 21010 Zip Code | Maryland | U.S. | |
| Total Households | 32, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.91, see rank | 2.67 | 2.63 |
| 1 Person Households | 5, 15.63%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 27, 84.38%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 23, 71.88%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.48, see rank | 3.35 | 3.32 |
| Married-Couple Family | 23, 71.88%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 9, 28.13%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 104
| 21010 Zip Code | Maryland | U.S. | |
| Total Households | 34, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 3.06, see rank | 2.61 | 2.58 |
| 1 Person Households | 6, 17.65%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 28, 82.35%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 28, 82.35%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.50, see rank | 3.15 | 3.14 |
| Married-Couple Family | 25, 73.53%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 6, 17.65%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 294
| 21010 Zip Code | Maryland | U.S. | |
| Total Households | 56, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 5.25, see rank | 2.64 | 2.61 |
| 1 Person Households | 0, 0.00%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 56, 100.00%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 50, 89.29%, see rank | 66.97% | 66.47% |
| Average Family Size | 5.60, see rank | 3.32 | 3.29 |
| Married-Couple Family | 50, 89.29%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 6, 10.71%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 864
| 21010 Zip Code | Maryland | U.S. | |
| Total Households | 230, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 3.75, see rank | 2.61 | 2.59 |
| 1 Person Households | 4, 1.74%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 226, 98.26%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 226, 98.26%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.77, see rank | 3.13 | 3.14 |
| Married-Couple Family | 192, 83.48%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 4, 1.74%, 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.