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Underwood, IA Historical Household and Family Data
ACS 2010-2014 data
Total population: 925
| Underwood, IA | Iowa | U.S. | |
| Total Households | 314, 100% | 1,232,228 | 116,211,092 |
| Average Household Size | 2.95, see rank | 2.42 | 2.63 |
| 1 Person Households | 44, 14.01%, see rank | 28.77% | 27.57% |
| 2 or More Person Households | 270, 85.99%, see rank | 71.23% | 72.43% |
| Family Households (Families) | 255, 81.21%, see rank | 64.68% | 66.22% |
| Average Family Size | 3.33, see rank | 3.05 | 3.32 |
| Married-Couple Family | 211, 67.20%, see rank | 51.37% | 48.42% |
| Nonfamily Households | 59, 18.79%, see rank | 35.32% | 33.78% |
US Census 2010 data
Total population: 917
| Underwood, IA | Iowa | U.S. | |
| Total Households | 330, 100% | 1,221,576 | 116,716,292 |
| Average Household Size | 2.78, see rank | 2.41 | 2.58 |
| 1 Person Households | 58, 17.58%, see rank | 28.45% | 26.74% |
| 2 or More Person Households | 272, 82.42%, see rank | 71.55% | 73.26% |
| Family Households (Families) | 260, 78.79%, see rank | 64.67% | 66.43% |
| Average Family Size | 3.16, see rank | 2.97 | 3.14 |
| Married-Couple Family | 195, 59.09%, see rank | 51.18% | 48.42% |
| Nonfamily Households | 70, 21.21%, see rank | 35.33% | 33.57% |
ACS 2008-2012 data
Total population: 864
| Underwood, IA | Iowa | U.S. | |
| Total Households | 310, 100% | 1,223,509 | 115,226,802 |
| Average Household Size | 2.79, see rank | 2.41 | 2.61 |
| 1 Person Households | 55, 17.74%, see rank | 28.63% | 27.45% |
| 2 or More Person Households | 255, 82.26%, see rank | 71.37% | 72.55% |
| Family Households (Families) | 231, 74.52%, see rank | 65.05% | 66.47% |
| Average Family Size | 3.29, see rank | 3.03 | 3.29 |
| Married-Couple Family | 184, 59.35%, see rank | 51.96% | 48.97% |
| Nonfamily Households | 79, 25.48%, see rank | 34.95% | 33.53% |
ACS 2006-2010 data
Total population: 893
| Underwood, IA | Iowa | U.S. | |
| Total Households | 301, 100% | 1,215,954 | 114,235,996 |
| Average Household Size | 2.97, see rank | 2.40 | 2.59 |
| 1 Person Households | 29, 9.63%, see rank | 28.44% | 27.24% |
| 2 or More Person Households | 272, 90.37%, see rank | 71.56% | 72.76% |
| Family Households (Families) | 252, 83.72%, see rank | 65.29% | 66.75% |
| Average Family Size | 3.26, see rank | 3.01 | 3.25 |
| Married-Couple Family | 196, 65.12%, see rank | 52.60% | 49.60% |
| Nonfamily Households | 49, 16.28%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 741
| Underwood, IA | Iowa | U.S. | |
| Total Households | 280, 100% | 1,215,970 | 112,611,029 |
| Average Household Size | 2.65, see rank | 2.36 | 2.60 |
| 1 Person Households | 37, 13.21%, see rank | 28.28% | 27.32% |
| 2 or More Person Households | 243, 86.79%, see rank | 71.72% | 72.68% |
| Family Households (Families) | 219, 78.21%, see rank | 65.23% | 66.67% |
| Average Family Size | 2.98, see rank | 2.96 | 3.27 |
| Married-Couple Family | 173, 61.79%, see rank | 52.57% | 49.71% |
| Nonfamily Households | 61, 21.79%, see rank | 34.77% | 33.33% |
US Census 2000 data
Total population: 688
| Underwood, IA | Iowa | U.S. | |
| Total Households | 258, 100% | 1,149,276 | 105,480,101 |
| Average Household Size | 2.67, see rank | 2.46 | 2.59 |
| 1 Person Households | 65, 25.19%, see rank | 27.24% | 25.82% |
| 2 or More Person Households | 193, 74.81%, see rank | 72.76% | 74.18% |
| Family Households (Families) | 178, 68.99%, see rank | 66.97% | 68.06% |
| Average Family Size | 3.27, see rank | 3.00 | 3.14 |
| Married-Couple Family | 144, 55.81%, see rank | 55.10% | 51.66% |
| Nonfamily Households | 80, 31.01%, 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.