USA.com / Maryland / Saint Marys County / Callaway, MD / 20620 / Population and Races / Historical Household and Family Data
20620 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 1,291
| 20620 Zip Code | Maryland | U.S. | |
| Total Households | 483, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.67, see rank | 2.67 | 2.63 |
| 1 Person Households | 83, 17.18%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 400, 82.82%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 372, 77.02%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.07, see rank | 3.35 | 3.32 |
| Married-Couple Family | 215, 44.51%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 111, 22.98%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 1,443
| 20620 Zip Code | Maryland | U.S. | |
| Total Households | 522, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.76, see rank | 2.61 | 2.58 |
| 1 Person Households | 105, 20.11%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 417, 79.89%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 377, 72.22%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.19, see rank | 3.15 | 3.14 |
| Married-Couple Family | 285, 54.60%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 145, 27.78%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 1,586
| 20620 Zip Code | Maryland | U.S. | |
| Total Households | 601, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.64, see rank | 2.64 | 2.61 |
| 1 Person Households | 78, 12.98%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 523, 87.02%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 489, 81.36%, see rank | 66.97% | 66.47% |
| Average Family Size | 2.90, see rank | 3.32 | 3.29 |
| Married-Couple Family | 293, 48.75%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 112, 18.64%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 1,738
| 20620 Zip Code | Maryland | U.S. | |
| Total Households | 629, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.76, see rank | 2.61 | 2.59 |
| 1 Person Households | 122, 19.40%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 507, 80.60%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 465, 73.93%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.18, see rank | 3.13 | 3.14 |
| Married-Couple Family | 360, 57.23%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 164, 26.07%, 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.