Decatur County Historical Household and Family Data
ACS 2010-2014 data
Total population: 8,286
| Decatur County | Iowa | U.S. | |
| Total Households | 3,085, 100% | 1,232,228 | 116,211,092 |
| Average Household Size | 2.44, see rank | 2.42 | 2.63 |
| 1 Person Households | 878, 28.46%, see rank | 28.77% | 27.57% |
| 2 or More Person Households | 2,207, 71.54%, see rank | 71.23% | 72.43% |
| Family Households (Families) | 2,086, 67.62%, see rank | 64.68% | 66.22% |
| Average Family Size | 3.06, see rank | 3.05 | 3.32 |
| Married-Couple Family | 1,682, 54.52%, see rank | 51.37% | 48.42% |
| Nonfamily Households | 999, 32.38%, see rank | 35.32% | 33.78% |
US Census 2010 data
Total population: 8,457
| Decatur County | Iowa | U.S. | |
| Total Households | 3,223, 100% | 1,221,576 | 116,716,292 |
| Average Household Size | 2.42, see rank | 2.41 | 2.58 |
| 1 Person Households | 939, 29.13%, see rank | 28.45% | 26.74% |
| 2 or More Person Households | 2,284, 70.87%, see rank | 71.55% | 73.26% |
| Family Households (Families) | 2,076, 64.41%, see rank | 64.67% | 66.43% |
| Average Family Size | 2.98, see rank | 2.97 | 3.14 |
| Married-Couple Family | 1,664, 51.63%, see rank | 51.18% | 48.42% |
| Nonfamily Households | 1,147, 35.59%, see rank | 35.33% | 33.57% |
ACS 2008-2012 data
Total population: 8,382
| Decatur County | Iowa | U.S. | |
| Total Households | 3,196, 100% | 1,223,509 | 115,226,802 |
| Average Household Size | 2.38, see rank | 2.41 | 2.61 |
| 1 Person Households | 854, 26.72%, see rank | 28.63% | 27.45% |
| 2 or More Person Households | 2,342, 73.28%, see rank | 71.37% | 72.55% |
| Family Households (Families) | 2,110, 66.02%, see rank | 65.05% | 66.47% |
| Average Family Size | 2.97, see rank | 3.03 | 3.29 |
| Married-Couple Family | 1,758, 55.01%, see rank | 51.96% | 48.97% |
| Nonfamily Households | 1,086, 33.98%, see rank | 34.95% | 33.53% |
ACS 2006-2010 data
Total population: 8,508
| Decatur County | Iowa | U.S. | |
| Total Households | 3,248, 100% | 1,215,954 | 114,235,996 |
| Average Household Size | 2.38, see rank | 2.40 | 2.59 |
| 1 Person Households | 827, 25.46%, see rank | 28.44% | 27.24% |
| 2 or More Person Households | 2,421, 74.54%, see rank | 71.56% | 72.76% |
| Family Households (Families) | 2,152, 66.26%, see rank | 65.29% | 66.75% |
| Average Family Size | 2.95, see rank | 3.01 | 3.25 |
| Married-Couple Family | 1,783, 54.90%, see rank | 52.60% | 49.60% |
| Nonfamily Households | 1,096, 33.74%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 8,321
| Decatur County | Iowa | U.S. | |
| Total Households | 3,376, 100% | 1,215,970 | 112,611,029 |
| Average Household Size | 2.22, see rank | 2.36 | 2.60 |
| 1 Person Households | 893, 26.45%, see rank | 28.28% | 27.32% |
| 2 or More Person Households | 2,483, 73.55%, see rank | 71.72% | 72.68% |
| Family Households (Families) | 2,156, 63.86%, see rank | 65.23% | 66.67% |
| Average Family Size | 2.82, see rank | 2.96 | 3.27 |
| Married-Couple Family | 1,767, 52.34%, see rank | 52.57% | 49.71% |
| Nonfamily Households | 1,220, 36.14%, see rank | 34.77% | 33.33% |
US Census 2000 data
Total population: 8,689
| Decatur County | Iowa | U.S. | |
| Total Households | 3,337, 100% | 1,149,276 | 105,480,101 |
| Average Household Size | 2.37, see rank | 2.46 | 2.59 |
| 1 Person Households | 1,010, 30.27%, see rank | 27.24% | 25.82% |
| 2 or More Person Households | 2,327, 69.73%, see rank | 72.76% | 74.18% |
| Family Households (Families) | 2,150, 64.43%, see rank | 66.97% | 68.06% |
| Average Family Size | 2.96, see rank | 3.00 | 3.14 |
| Married-Couple Family | 1,812, 54.30%, see rank | 55.10% | 51.66% |
| Nonfamily Households | 1,187, 35.57%, 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.