Maryland Historical Household and Family Data
ACS 2010-2014 data
Total population: 5,887,776
| Maryland | % | U.S. | |
| Total Households | 2,155,983 | 100% | 116,211,092 |
| Average Household Size | 2.67, see rank | - | 2.63 |
| 1 Person Households | 581,005 | 26.95%, see rank | 27.57% |
| 2 or More Person Households | 1,574,978 | 73.05%, see rank | 72.43% |
| Family Households (Families) | 1,445,917 | 67.07%, see rank | 66.22% |
| Average Family Size | 3.35, see rank | - | 3.32 |
| Married-Couple Family | 1,027,926 | 47.68%, see rank | 48.42% |
| Nonfamily Households | 710,066 | 32.93%, see rank | 33.78% |
US Census 2010 data
Total population: 5,773,552
| Maryland | % | U.S. | |
| Total Households | 2,156,411 | 100% | 116,716,292 |
| Average Household Size | 2.61, see rank | - | 2.58 |
| 1 Person Households | 563,003 | 26.11%, see rank | 26.74% |
| 2 or More Person Households | 1,593,408 | 73.89%, see rank | 73.26% |
| Family Households (Families) | 1,447,002 | 67.10%, see rank | 66.43% |
| Average Family Size | 3.15, see rank | - | 3.14 |
| Married-Couple Family | 1,026,739 | 47.61%, see rank | 48.42% |
| Nonfamily Households | 709,409 | 32.90%, see rank | 33.57% |
ACS 2008-2012 data
Total population: 5,785,496
| Maryland | % | U.S. | |
| Total Households | 2,138,806 | 100% | 115,226,802 |
| Average Household Size | 2.64, see rank | - | 2.61 |
| 1 Person Households | 580,083 | 27.12%, see rank | 27.45% |
| 2 or More Person Households | 1,558,723 | 72.88%, see rank | 72.55% |
| Family Households (Families) | 1,432,382 | 66.97%, see rank | 66.47% |
| Average Family Size | 3.32, see rank | - | 3.29 |
| Married-Couple Family | 1,027,317 | 48.03%, see rank | 48.97% |
| Nonfamily Households | 706,424 | 33.03%, see rank | 33.53% |
ACS 2006-2010 data
Total population: 5,696,423
| Maryland | % | U.S. | |
| Total Households | 2,121,047 | 100% | 114,235,996 |
| Average Household Size | 2.62, see rank | - | 2.59 |
| 1 Person Households | 570,898 | 26.92%, see rank | 27.24% |
| 2 or More Person Households | 1,550,149 | 73.08%, see rank | 72.76% |
| Family Households (Families) | 1,423,399 | 67.11%, see rank | 66.75% |
| Average Family Size | 3.28, see rank | - | 3.25 |
| Married-Couple Family | 1,030,665 | 48.59%, see rank | 49.60% |
| Nonfamily Households | 697,648 | 32.89%, see rank | 33.25% |
ACS 2005-2009 data
Total population: 5,637,418
| Maryland | % | U.S. | |
| Total Households | 2,092,538 | 100% | 112,611,029 |
| Average Household Size | 2.63, see rank | - | 2.60 |
| 1 Person Households | 566,739 | 27.08%, see rank | 27.32% |
| 2 or More Person Households | 1,525,799 | 72.92%, see rank | 72.68% |
| Family Households (Families) | 1,400,415 | 66.92%, see rank | 66.67% |
| Average Family Size | 3.30, see rank | - | 3.27 |
| Married-Couple Family | 1,019,915 | 48.74%, see rank | 49.71% |
| Nonfamily Households | 692,123 | 33.08%, see rank | 33.33% |
US Census 2000 data
Total population: 5,296,486
| Maryland | % | U.S. | |
| Total Households | 1,980,859 | 100% | 105,480,101 |
| Average Household Size | 2.61, see rank | - | 2.59 |
| 1 Person Households | 495,459 | 25.01%, see rank | 25.82% |
| 2 or More Person Households | 1,485,400 | 74.99%, see rank | 74.18% |
| Family Households (Families) | 1,359,318 | 68.62%, see rank | 68.06% |
| Average Family Size | 3.13, see rank | - | 3.14 |
| Married-Couple Family | 994,549 | 50.21%, see rank | 51.66% |
| Nonfamily Households | 621,541 | 31.38%, see rank | 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.