Jefferson County Historical Household and Family Data
ACS 2010-2014 data
Total population: 220,558
| Jefferson County | Missouri | U.S. | |
| Total Households | 81,504, 100% | 2,361,232 | 116,211,092 |
| Average Household Size | 2.68, see rank | 2.48 | 2.63 |
| 1 Person Households | 17,300, 21.23%, see rank | 29.09% | 27.57% |
| 2 or More Person Households | 64,204, 78.77%, see rank | 70.91% | 72.43% |
| Family Households (Families) | 59,714, 73.27%, see rank | 64.92% | 66.22% |
| Average Family Size | 3.20, see rank | 3.15 | 3.32 |
| Married-Couple Family | 45,936, 56.36%, see rank | 48.54% | 48.42% |
| Nonfamily Households | 21,790, 26.73%, see rank | 35.08% | 33.78% |
US Census 2010 data
Total population: 218,733
| Jefferson County | Missouri | U.S. | |
| Total Households | 81,700, 100% | 2,375,611 | 116,716,292 |
| Average Household Size | 2.65, see rank | 2.45 | 2.58 |
| 1 Person Households | 17,093, 20.92%, see rank | 28.30% | 26.74% |
| 2 or More Person Households | 64,607, 79.08%, see rank | 71.70% | 73.26% |
| Family Households (Families) | 60,031, 73.48%, see rank | 65.34% | 66.43% |
| Average Family Size | 3.06, see rank | 3.00 | 3.14 |
| Married-Couple Family | 46,193, 56.54%, see rank | 48.45% | 48.42% |
| Nonfamily Households | 21,669, 26.52%, see rank | 34.66% | 33.57% |
ACS 2008-2012 data
Total population: 218,628
| Jefferson County | Missouri | U.S. | |
| Total Households | 81,159, 100% | 2,358,270 | 115,226,802 |
| Average Household Size | 2.67, see rank | 2.46 | 2.61 |
| 1 Person Households | 17,522, 21.59%, see rank | 28.74% | 27.45% |
| 2 or More Person Households | 63,637, 78.41%, see rank | 71.26% | 72.55% |
| Family Households (Families) | 59,344, 73.12%, see rank | 65.45% | 66.47% |
| Average Family Size | 3.19, see rank | 3.11 | 3.29 |
| Married-Couple Family | 46,434, 57.21%, see rank | 49.16% | 48.97% |
| Nonfamily Households | 21,815, 26.88%, see rank | 34.55% | 33.53% |
ACS 2006-2010 data
Total population: 216,262
| Jefferson County | Missouri | U.S. | |
| Total Households | 80,083, 100% | 2,349,955 | 114,235,996 |
| Average Household Size | 2.68, see rank | 2.45 | 2.59 |
| 1 Person Households | 17,133, 21.39%, see rank | 28.52% | 27.24% |
| 2 or More Person Households | 62,950, 78.61%, see rank | 71.48% | 72.76% |
| Family Households (Families) | 58,851, 73.49%, see rank | 65.81% | 66.75% |
| Average Family Size | 3.19, see rank | 3.08 | 3.25 |
| Married-Couple Family | 46,373, 57.91%, see rank | 49.87% | 49.60% |
| Nonfamily Households | 21,232, 26.51%, see rank | 34.19% | 33.25% |
ACS 2005-2009 data
Total population: 215,386
| Jefferson County | Missouri | U.S. | |
| Total Households | 80,143, 100% | 2,322,238 | 112,611,029 |
| Average Household Size | 2.67, see rank | 2.47 | 2.60 |
| 1 Person Households | 17,008, 21.22%, see rank | 28.35% | 27.32% |
| 2 or More Person Households | 63,135, 78.78%, see rank | 71.65% | 72.68% |
| Family Households (Families) | 59,045, 73.67%, see rank | 65.96% | 66.67% |
| Average Family Size | 3.17, see rank | 3.11 | 3.27 |
| Married-Couple Family | 46,775, 58.36%, see rank | 49.97% | 49.71% |
| Nonfamily Households | 21,098, 26.33%, see rank | 34.04% | 33.33% |
US Census 2000 data
Total population: 198,099
| Jefferson County | Missouri | U.S. | |
| Total Households | 71,499, 100% | 2,194,594 | 105,480,101 |
| Average Household Size | 2.74, see rank | 2.48 | 2.59 |
| 1 Person Households | 13,541, 18.94%, see rank | 27.33% | 25.82% |
| 2 or More Person Households | 57,958, 81.06%, see rank | 72.67% | 74.18% |
| Family Households (Families) | 54,528, 76.26%, see rank | 67.28% | 68.06% |
| Average Family Size | 3.12, see rank | 3.02 | 3.14 |
| Married-Couple Family | 43,605, 60.99%, see rank | 51.99% | 51.66% |
| Nonfamily Households | 16,971, 23.74%, 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.