USA.com / Maryland / Caroline County / Preston, MD / 21655 / Population and Races / Historical Household and Family Data
21655 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 5,148
| 21655 Zip Code | Maryland | U.S. | |
| Total Households | 1,853, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.74, see rank | 2.67 | 2.63 |
| 1 Person Households | 297, 16.03%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 1,556, 83.97%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 1,393, 75.18%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.20, see rank | 3.35 | 3.32 |
| Married-Couple Family | 1,166, 62.92%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 460, 24.82%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 5,009
| 21655 Zip Code | Maryland | U.S. | |
| Total Households | 1,920, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.61, see rank | 2.61 | 2.58 |
| 1 Person Households | 396, 20.63%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 1,524, 79.38%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 1,422, 74.06%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.00, see rank | 3.15 | 3.14 |
| Married-Couple Family | 1,105, 57.55%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 498, 25.94%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 4,945
| 21655 Zip Code | Maryland | U.S. | |
| Total Households | 1,764, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.75, see rank | 2.64 | 2.61 |
| 1 Person Households | 303, 17.18%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 1,461, 82.82%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 1,336, 75.74%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.16, see rank | 3.32 | 3.29 |
| Married-Couple Family | 1,069, 60.60%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 428, 24.26%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 4,783
| 21655 Zip Code | Maryland | U.S. | |
| Total Households | 1,795, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.66, see rank | 2.61 | 2.59 |
| 1 Person Households | 307, 17.10%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 1,488, 82.90%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 1,393, 77.60%, see rank | 68.62% | 68.06% |
| Average Family Size | 2.96, see rank | 3.13 | 3.14 |
| Married-Couple Family | 1,093, 60.89%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 402, 22.40%, 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.