St. Louis Metro Area Historical Household and Family Data
ACS 2010-2014 data
Total population: 2,797,737
| St. Louis Area | % | U.S. | |
| Total Households | 1,104,257 | 100% | 116,211,092 |
| Average Household Size | 2.48, see rank | - | 2.63 |
| 1 Person Households | 323,390 | 29.29%, see rank | 27.57% |
| 2 or More Person Households | 780,867 | 70.71%, see rank | 72.43% |
| Family Households (Families) | 721,028 | 65.30%, see rank | 66.22% |
| Average Family Size | 3.16, see rank | - | 3.32 |
| Married-Couple Family | 524,853 | 47.53%, see rank | 48.42% |
| Nonfamily Households | 383,229 | 34.70%, see rank | 33.78% |
US Census 2010 data
Total population: 2,812,896
| St. Louis Area | % | U.S. | |
| Total Households | 1,119,020 | 100% | 116,716,292 |
| Average Household Size | 2.46, see rank | - | 2.58 |
| 1 Person Households | 318,499 | 28.46%, see rank | 26.74% |
| 2 or More Person Households | 800,521 | 71.54%, see rank | 73.26% |
| Family Households (Families) | 732,948 | 65.50%, see rank | 66.43% |
| Average Family Size | 3.04, see rank | - | 3.14 |
| Married-Couple Family | 528,318 | 47.21%, see rank | 48.42% |
| Nonfamily Households | 386,072 | 34.50%, see rank | 33.57% |
ACS 2008-2012 data
Total population: 2,810,367
| St. Louis Area | % | U.S. | |
| Total Households | 1,112,296 | 100% | 115,226,802 |
| Average Household Size | 2.48, see rank | - | 2.61 |
| 1 Person Households | 322,447 | 28.99%, see rank | 27.45% |
| 2 or More Person Households | 789,849 | 71.01%, see rank | 72.55% |
| Family Households (Families) | 728,796 | 65.52%, see rank | 66.47% |
| Average Family Size | 3.14, see rank | - | 3.29 |
| Married-Couple Family | 533,534 | 47.97%, see rank | 48.97% |
| Nonfamily Households | 383,500 | 34.48%, see rank | 33.53% |
ACS 2006-2010 data
Total population: 2,792,309
| St. Louis Area | % | U.S. | |
| Total Households | 1,106,719 | 100% | 114,235,996 |
| Average Household Size | 2.47, see rank | - | 2.59 |
| 1 Person Households | 318,704 | 28.80%, see rank | 27.24% |
| 2 or More Person Households | 788,015 | 71.20%, see rank | 72.76% |
| Family Households (Families) | 728,433 | 65.82%, see rank | 66.75% |
| Average Family Size | 3.13, see rank | - | 3.25 |
| Married-Couple Family | 535,709 | 48.41%, see rank | 49.60% |
| Nonfamily Households | 378,286 | 34.18%, see rank | 33.25% |
ACS 2005-2009 data
Total population: 2,803,776
| St. Louis Area | % | U.S. | |
| Total Households | 1,100,246 | 100% | 112,611,029 |
| Average Household Size | 2.49, see rank | - | 2.60 |
| 1 Person Households | 315,180 | 28.65%, see rank | 27.32% |
| 2 or More Person Households | 785,066 | 71.35%, see rank | 72.68% |
| Family Households (Families) | 726,506 | 66.03%, see rank | 66.67% |
| Average Family Size | 3.15, see rank | - | 3.27 |
| Married-Couple Family | 533,831 | 48.52%, see rank | 49.71% |
| Nonfamily Households | 373,740 | 33.97%, see rank | 33.33% |
* 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.