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Saint Charles County Historical Household and Family Data
ACS 2010-2014 data
Total population: 369,781
| Saint Charles County | Missouri | U.S. | |
| Total Households | 137,483, 100% | 2,361,232 | 116,211,092 |
| Average Household Size | 2.65, see rank | 2.48 | 2.63 |
| 1 Person Households | 31,339, 22.79%, see rank | 29.09% | 27.57% |
| 2 or More Person Households | 106,144, 77.21%, see rank | 70.91% | 72.43% |
| Family Households (Families) | 100,010, 72.74%, see rank | 64.92% | 66.22% |
| Average Family Size | 3.19, see rank | 3.15 | 3.32 |
| Married-Couple Family | 81,551, 59.32%, see rank | 48.54% | 48.42% |
| Nonfamily Households | 37,473, 27.26%, see rank | 35.08% | 33.78% |
US Census 2010 data
Total population: 360,485
| Saint Charles County | Missouri | U.S. | |
| Total Households | 134,274, 100% | 2,375,611 | 116,716,292 |
| Average Household Size | 2.64, see rank | 2.45 | 2.58 |
| 1 Person Households | 29,568, 22.02%, see rank | 28.30% | 26.74% |
| 2 or More Person Households | 104,706, 77.98%, see rank | 71.70% | 73.26% |
| Family Households (Families) | 97,621, 72.70%, see rank | 65.34% | 66.43% |
| Average Family Size | 3.11, see rank | 3.00 | 3.14 |
| Married-Couple Family | 78,804, 58.69%, see rank | 48.45% | 48.42% |
| Nonfamily Households | 36,653, 27.30%, see rank | 34.66% | 33.57% |
ACS 2008-2012 data
Total population: 360,695
| Saint Charles County | Missouri | U.S. | |
| Total Households | 134,693, 100% | 2,358,270 | 115,226,802 |
| Average Household Size | 2.64, see rank | 2.46 | 2.61 |
| 1 Person Households | 30,314, 22.51%, see rank | 28.74% | 27.45% |
| 2 or More Person Households | 104,379, 77.49%, see rank | 71.26% | 72.55% |
| Family Households (Families) | 98,029, 72.78%, see rank | 65.45% | 66.47% |
| Average Family Size | 3.17, see rank | 3.11 | 3.29 |
| Married-Couple Family | 80,691, 59.91%, see rank | 49.16% | 48.97% |
| Nonfamily Households | 36,664, 27.22%, see rank | 34.55% | 33.53% |
ACS 2006-2010 data
Total population: 350,606
| Saint Charles County | Missouri | U.S. | |
| Total Households | 130,973, 100% | 2,349,955 | 114,235,996 |
| Average Household Size | 2.64, see rank | 2.45 | 2.59 |
| 1 Person Households | 28,872, 22.04%, see rank | 28.52% | 27.24% |
| 2 or More Person Households | 102,101, 77.96%, see rank | 71.48% | 72.76% |
| Family Households (Families) | 95,336, 72.79%, see rank | 65.81% | 66.75% |
| Average Family Size | 3.17, see rank | 3.08 | 3.25 |
| Married-Couple Family | 79,122, 60.41%, see rank | 49.87% | 49.60% |
| Nonfamily Households | 35,637, 27.21%, see rank | 34.19% | 33.25% |
ACS 2005-2009 data
Total population: 342,562
| Saint Charles County | Missouri | U.S. | |
| Total Households | 127,228, 100% | 2,322,238 | 112,611,029 |
| Average Household Size | 2.65, see rank | 2.47 | 2.60 |
| 1 Person Households | 27,116, 21.31%, see rank | 28.35% | 27.32% |
| 2 or More Person Households | 100,112, 78.69%, see rank | 71.65% | 72.68% |
| Family Households (Families) | 93,312, 73.34%, see rank | 65.96% | 66.67% |
| Average Family Size | 3.16, see rank | 3.11 | 3.27 |
| Married-Couple Family | 77,814, 61.16%, see rank | 49.97% | 49.71% |
| Nonfamily Households | 33,916, 26.66%, see rank | 34.04% | 33.33% |
US Census 2000 data
Total population: 283,883
| Saint Charles County | Missouri | U.S. | |
| Total Households | 101,663, 100% | 2,194,594 | 105,480,101 |
| Average Household Size | 2.76, see rank | 2.48 | 2.59 |
| 1 Person Households | 19,737, 19.41%, see rank | 27.33% | 25.82% |
| 2 or More Person Households | 81,926, 80.59%, see rank | 72.67% | 74.18% |
| Family Households (Families) | 77,104, 75.84%, see rank | 67.28% | 68.06% |
| Average Family Size | 3.18, see rank | 3.02 | 3.14 |
| Married-Couple Family | 64,244, 63.19%, see rank | 51.99% | 51.66% |
| Nonfamily Households | 24,559, 24.16%, see rank | 32.72% | 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.