Buchanan County Historical Household and Family Data
ACS 2010-2014 data
Total population: 20,947
| Buchanan County | Iowa | U.S. | |
| Total Households | 8,298, 100% | 1,232,228 | 116,211,092 |
| Average Household Size | 2.48, see rank | 2.42 | 2.63 |
| 1 Person Households | 2,110, 25.43%, see rank | 28.77% | 27.57% |
| 2 or More Person Households | 6,188, 74.57%, see rank | 71.23% | 72.43% |
| Family Households (Families) | 5,777, 69.62%, see rank | 64.68% | 66.22% |
| Average Family Size | 3.06, see rank | 3.05 | 3.32 |
| Married-Couple Family | 4,876, 58.76%, see rank | 51.37% | 48.42% |
| Nonfamily Households | 2,521, 30.38%, see rank | 35.32% | 33.78% |
US Census 2010 data
Total population: 20,958
| Buchanan County | Iowa | U.S. | |
| Total Households | 8,161, 100% | 1,221,576 | 116,716,292 |
| Average Household Size | 2.53, see rank | 2.41 | 2.58 |
| 1 Person Households | 2,091, 25.62%, see rank | 28.45% | 26.74% |
| 2 or More Person Households | 6,070, 74.38%, see rank | 71.55% | 73.26% |
| Family Households (Families) | 5,661, 69.37%, see rank | 64.67% | 66.43% |
| Average Family Size | 3.05, see rank | 2.97 | 3.14 |
| Married-Couple Family | 4,685, 57.41%, see rank | 51.18% | 48.42% |
| Nonfamily Households | 2,500, 30.63%, see rank | 35.33% | 33.57% |
ACS 2008-2012 data
Total population: 20,988
| Buchanan County | Iowa | U.S. | |
| Total Households | 8,104, 100% | 1,223,509 | 115,226,802 |
| Average Household Size | 2.55, see rank | 2.41 | 2.61 |
| 1 Person Households | 1,845, 22.77%, see rank | 28.63% | 27.45% |
| 2 or More Person Households | 6,259, 77.23%, see rank | 71.37% | 72.55% |
| Family Households (Families) | 5,883, 72.59%, see rank | 65.05% | 66.47% |
| Average Family Size | 3.07, see rank | 3.03 | 3.29 |
| Married-Couple Family | 4,888, 60.32%, see rank | 51.96% | 48.97% |
| Nonfamily Households | 2,221, 27.41%, see rank | 34.95% | 33.53% |
ACS 2006-2010 data
Total population: 21,026
| Buchanan County | Iowa | U.S. | |
| Total Households | 8,212, 100% | 1,215,954 | 114,235,996 |
| Average Household Size | 2.48, see rank | 2.40 | 2.59 |
| 1 Person Households | 1,819, 22.15%, see rank | 28.44% | 27.24% |
| 2 or More Person Households | 6,393, 77.85%, see rank | 71.56% | 72.76% |
| Family Households (Families) | 5,965, 72.64%, see rank | 65.29% | 66.75% |
| Average Family Size | 2.97, see rank | 3.01 | 3.25 |
| Married-Couple Family | 4,937, 60.12%, see rank | 52.60% | 49.60% |
| Nonfamily Households | 2,247, 27.36%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 20,911
| Buchanan County | Iowa | U.S. | |
| Total Households | 8,391, 100% | 1,215,970 | 112,611,029 |
| Average Household Size | 2.44, see rank | 2.36 | 2.60 |
| 1 Person Households | 1,979, 23.58%, see rank | 28.28% | 27.32% |
| 2 or More Person Households | 6,412, 76.42%, see rank | 71.72% | 72.68% |
| Family Households (Families) | 5,934, 70.72%, see rank | 65.23% | 66.67% |
| Average Family Size | 2.95, see rank | 2.96 | 3.27 |
| Married-Couple Family | 4,875, 58.10%, see rank | 52.57% | 49.71% |
| Nonfamily Households | 2,457, 29.28%, see rank | 34.77% | 33.33% |
US Census 2000 data
Total population: 21,093
| Buchanan County | Iowa | U.S. | |
| Total Households | 7,933, 100% | 1,149,276 | 105,480,101 |
| Average Household Size | 2.61, see rank | 2.46 | 2.59 |
| 1 Person Households | 1,963, 24.74%, see rank | 27.24% | 25.82% |
| 2 or More Person Households | 5,970, 75.26%, see rank | 72.76% | 74.18% |
| Family Households (Families) | 5,675, 71.54%, see rank | 66.97% | 68.06% |
| Average Family Size | 3.13, see rank | 3.00 | 3.14 |
| Married-Couple Family | 4,815, 60.70%, see rank | 55.10% | 51.66% |
| Nonfamily Households | 2,258, 28.46%, 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.