USA.com / Maryland / Cecil County / Elkton, MD / 21921 / Population and Races / Historical Household and Family Data
21921 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 42,316
| 21921 Zip Code | Maryland | U.S. | |
| Total Households | 15,423, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.68, see rank | 2.67 | 2.63 |
| 1 Person Households | 3,837, 24.88%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 11,586, 75.12%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 10,822, 70.17%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.28, see rank | 3.35 | 3.32 |
| Married-Couple Family | 7,928, 51.40%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 4,601, 29.83%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 44,471
| 21921 Zip Code | Maryland | U.S. | |
| Total Households | 16,081, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.72, see rank | 2.61 | 2.58 |
| 1 Person Households | 3,563, 22.16%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 12,518, 77.84%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 11,462, 71.28%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.17, see rank | 3.15 | 3.14 |
| Married-Couple Family | 8,325, 51.77%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 4,619, 28.72%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 44,090
| 21921 Zip Code | Maryland | U.S. | |
| Total Households | 15,595, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.75, see rank | 2.64 | 2.61 |
| 1 Person Households | 3,710, 23.79%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 11,885, 76.21%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 11,177, 71.67%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.35, see rank | 3.32 | 3.29 |
| Married-Couple Family | 8,490, 54.44%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 4,418, 28.33%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 38,231
| 21921 Zip Code | Maryland | U.S. | |
| Total Households | 13,788, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.73, see rank | 2.61 | 2.59 |
| 1 Person Households | 2,765, 20.05%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 11,023, 79.95%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 10,175, 73.80%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.15, see rank | 3.13 | 3.14 |
| Married-Couple Family | 7,845, 56.90%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 3,613, 26.20%, 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.