Jefferson County Historical Household and Family Data
ACS 2010-2014 data
Total population: 17,102
| Jefferson County | Iowa | U.S. | |
| Total Households | 6,886, 100% | 1,232,228 | 116,211,092 |
| Average Household Size | 2.23, see rank | 2.42 | 2.63 |
| 1 Person Households | 2,334, 33.89%, see rank | 28.77% | 27.57% |
| 2 or More Person Households | 4,552, 66.11%, see rank | 71.23% | 72.43% |
| Family Households (Families) | 4,083, 59.29%, see rank | 64.68% | 66.22% |
| Average Family Size | 2.92, see rank | 3.05 | 3.32 |
| Married-Couple Family | 3,302, 47.95%, see rank | 51.37% | 48.42% |
| Nonfamily Households | 2,803, 40.71%, see rank | 35.32% | 33.78% |
US Census 2010 data
Total population: 16,843
| Jefferson County | Iowa | U.S. | |
| Total Households | 6,846, 100% | 1,221,576 | 116,716,292 |
| Average Household Size | 2.21, see rank | 2.41 | 2.58 |
| 1 Person Households | 2,321, 33.90%, see rank | 28.45% | 26.74% |
| 2 or More Person Households | 4,525, 66.10%, see rank | 71.55% | 73.26% |
| Family Households (Families) | 4,080, 59.60%, see rank | 64.67% | 66.43% |
| Average Family Size | 2.79, see rank | 2.97 | 3.14 |
| Married-Couple Family | 3,271, 47.78%, see rank | 51.18% | 48.42% |
| Nonfamily Households | 2,766, 40.40%, see rank | 35.33% | 33.57% |
ACS 2008-2012 data
Total population: 16,791
| Jefferson County | Iowa | U.S. | |
| Total Households | 6,844, 100% | 1,223,509 | 115,226,802 |
| Average Household Size | 2.26, see rank | 2.41 | 2.61 |
| 1 Person Households | 2,454, 35.86%, see rank | 28.63% | 27.45% |
| 2 or More Person Households | 4,390, 64.14%, see rank | 71.37% | 72.55% |
| Family Households (Families) | 4,037, 58.99%, see rank | 65.05% | 66.47% |
| Average Family Size | 3.03, see rank | 3.03 | 3.29 |
| Married-Couple Family | 3,367, 49.20%, see rank | 51.96% | 48.97% |
| Nonfamily Households | 2,807, 41.01%, see rank | 34.95% | 33.53% |
ACS 2006-2010 data
Total population: 16,643
| Jefferson County | Iowa | U.S. | |
| Total Households | 6,826, 100% | 1,215,954 | 114,235,996 |
| Average Household Size | 2.30, see rank | 2.40 | 2.59 |
| 1 Person Households | 2,268, 33.23%, see rank | 28.44% | 27.24% |
| 2 or More Person Households | 4,558, 66.77%, see rank | 71.56% | 72.76% |
| Family Households (Families) | 4,234, 62.03%, see rank | 65.29% | 66.75% |
| Average Family Size | 2.97, see rank | 3.01 | 3.25 |
| Married-Couple Family | 3,504, 51.33%, see rank | 52.60% | 49.60% |
| Nonfamily Households | 2,592, 37.97%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 15,496
| Jefferson County | Iowa | U.S. | |
| Total Households | 6,846, 100% | 1,215,970 | 112,611,029 |
| Average Household Size | 2.17, see rank | 2.36 | 2.60 |
| 1 Person Households | 2,336, 34.12%, see rank | 28.28% | 27.32% |
| 2 or More Person Households | 4,510, 65.88%, see rank | 71.72% | 72.68% |
| Family Households (Families) | 4,213, 61.54%, see rank | 65.23% | 66.67% |
| Average Family Size | 2.80, see rank | 2.96 | 3.27 |
| Married-Couple Family | 3,360, 49.08%, see rank | 52.57% | 49.71% |
| Nonfamily Households | 2,633, 38.46%, see rank | 34.77% | 33.33% |
US Census 2000 data
Total population: 16,181
| Jefferson County | Iowa | U.S. | |
| Total Households | 6,649, 100% | 1,149,276 | 105,480,101 |
| Average Household Size | 2.34, see rank | 2.46 | 2.59 |
| 1 Person Households | 2,021, 30.40%, see rank | 27.24% | 25.82% |
| 2 or More Person Households | 4,628, 69.60%, see rank | 72.76% | 74.18% |
| Family Households (Families) | 4,279, 64.36%, see rank | 66.97% | 68.06% |
| Average Family Size | 2.93, see rank | 3.00 | 3.14 |
| Married-Couple Family | 3,533, 53.14%, see rank | 55.10% | 51.66% |
| Nonfamily Households | 2,370, 35.64%, see rank | 33.03% | 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.