USA.com / Maryland / Calvert County / Lusby, MD / 20657 / Population and Races / Historical Household and Family Data
20657 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 19,639
| 20657 Zip Code | Maryland | U.S. | |
| Total Households | 6,856, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.86, see rank | 2.67 | 2.63 |
| 1 Person Households | 1,390, 20.27%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 5,466, 79.73%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 5,144, 75.03%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.40, see rank | 3.35 | 3.32 |
| Married-Couple Family | 3,955, 57.69%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 1,712, 24.97%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 20,483
| 20657 Zip Code | Maryland | U.S. | |
| Total Households | 6,957, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.94, see rank | 2.61 | 2.58 |
| 1 Person Households | 1,213, 17.44%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 5,744, 82.56%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 5,348, 76.87%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.30, see rank | 3.15 | 3.14 |
| Married-Couple Family | 4,062, 58.39%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 1,609, 23.13%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 20,538
| 20657 Zip Code | Maryland | U.S. | |
| Total Households | 7,145, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.87, see rank | 2.64 | 2.61 |
| 1 Person Households | 1,398, 19.57%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 5,747, 80.43%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 5,482, 76.72%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.39, see rank | 3.32 | 3.29 |
| Married-Couple Family | 4,348, 60.85%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 1,663, 23.28%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 18,110
| 20657 Zip Code | Maryland | U.S. | |
| Total Households | 6,128, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.95, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,018, 16.61%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 5,110, 83.39%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 4,801, 78.35%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.32, see rank | 3.13 | 3.14 |
| Married-Couple Family | 3,847, 62.78%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 1,327, 21.65%, 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.