USA.com / Maryland / Allegany County / Ellerslie, MD / 21529 / Population and Races / Historical Household and Family Data
21529 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 546
| 21529 Zip Code | Maryland | U.S. | |
| Total Households | 240, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.28, see rank | 2.67 | 2.63 |
| 1 Person Households | 55, 22.92%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 185, 77.08%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 172, 71.67%, see rank | 67.07% | 66.22% |
| Average Family Size | 2.70, see rank | 3.35 | 3.32 |
| Married-Couple Family | 156, 65.00%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 68, 28.33%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 631
| 21529 Zip Code | Maryland | U.S. | |
| Total Households | 262, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.41, see rank | 2.61 | 2.58 |
| 1 Person Households | 71, 27.10%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 191, 72.90%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 185, 70.61%, see rank | 67.10% | 66.43% |
| Average Family Size | 2.90, see rank | 3.15 | 3.14 |
| Married-Couple Family | 151, 57.63%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 77, 29.39%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 414
| 21529 Zip Code | Maryland | U.S. | |
| Total Households | 184, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.25, see rank | 2.64 | 2.61 |
| 1 Person Households | 47, 25.54%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 137, 74.46%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 127, 69.02%, see rank | 66.97% | 66.47% |
| Average Family Size | 2.70, see rank | 3.32 | 3.29 |
| Married-Couple Family | 116, 63.04%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 57, 30.98%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 592
| 21529 Zip Code | Maryland | U.S. | |
| Total Households | 235, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.52, see rank | 2.61 | 2.59 |
| 1 Person Households | 53, 22.55%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 182, 77.45%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 178, 75.74%, see rank | 68.62% | 68.06% |
| Average Family Size | 2.94, see rank | 3.13 | 3.14 |
| Married-Couple Family | 155, 65.96%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 57, 24.26%, 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.