Adelphi, MD Historical Household and Family Data
ACS 2010-2014 data
Total population: 15,885
| Adelphi, MD | Maryland | U.S. | |
| Total Households | 5,280, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 2.97, see rank | 2.67 | 2.63 |
| 1 Person Households | 1,261, 23.88%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 4,019, 76.12%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 3,356, 63.56%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.73, see rank | 3.35 | 3.32 |
| Married-Couple Family | 1,922, 36.40%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 1,924, 36.44%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 15,086
| Adelphi, MD | Maryland | U.S. | |
| Total Households | 5,011, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 2.98, see rank | 2.61 | 2.58 |
| 1 Person Households | 1,257, 25.08%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 3,754, 74.92%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 3,145, 62.76%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.43, see rank | 3.15 | 3.14 |
| Married-Couple Family | 1,929, 38.50%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 1,866, 37.24%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 15,045
| Adelphi, MD | Maryland | U.S. | |
| Total Households | 5,017, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 2.96, see rank | 2.64 | 2.61 |
| 1 Person Households | 1,285, 25.61%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 3,732, 74.39%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 3,151, 62.81%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.78, see rank | 3.32 | 3.29 |
| Married-Couple Family | 1,608, 32.05%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 1,866, 37.19%, see rank | 33.03% | 33.53% |
ACS 2006-2010 data
Total population: 15,040
| Adelphi, MD | Maryland | U.S. | |
| Total Households | 4,884, 100% | 2,121,047 | 114,235,996 |
| Average Household Size | 3.04, see rank | 2.62 | 2.59 |
| 1 Person Households | 1,176, 24.08%, see rank | 26.92% | 27.24% |
| 2 or More Person Households | 3,708, 75.92%, see rank | 73.08% | 72.76% |
| Family Households (Families) | 3,022, 61.88%, see rank | 67.11% | 66.75% |
| Average Family Size | 3.85, see rank | 3.28 | 3.25 |
| Married-Couple Family | 1,546, 31.65%, see rank | 48.59% | 49.60% |
| Nonfamily Households | 1,862, 38.12%, see rank | 32.89% | 33.25% |
ACS 2005-2009 data
Total population: 12,945
| Adelphi, MD | Maryland | U.S. | |
| Total Households | 4,352, 100% | 2,092,538 | 112,611,029 |
| Average Household Size | 2.93, see rank | 2.63 | 2.60 |
| 1 Person Households | 1,182, 27.16%, see rank | 27.08% | 27.32% |
| 2 or More Person Households | 3,170, 72.84%, see rank | 72.92% | 72.68% |
| Family Households (Families) | 2,645, 60.78%, see rank | 66.92% | 66.67% |
| Average Family Size | 3.84, see rank | 3.30 | 3.27 |
| Married-Couple Family | 1,430, 32.86%, see rank | 48.74% | 49.71% |
| Nonfamily Households | 1,707, 39.22%, see rank | 33.08% | 33.33% |
US Census 2000 data
Total population: 14,998
| Adelphi, MD | Maryland | U.S. | |
| Total Households | 5,332, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 2.77, see rank | 2.61 | 2.59 |
| 1 Person Households | 1,466, 27.49%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 3,866, 72.51%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 3,322, 62.30%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.35, see rank | 3.13 | 3.14 |
| Married-Couple Family | 2,266, 42.50%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 2,010, 37.70%, 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.