USA.com / Iowa / Grundy County / Grundy Center, IA / 50638 / Population and Races / Historical Household and Family Data
50638 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 3,282
| 50638 Zip Code | Iowa | U.S. | |
| Total Households | 1,364, 100% | 1,232,228 | 116,211,092 |
| Average Household Size | 2.36, see rank | 2.42 | 2.63 |
| 1 Person Households | 405, 29.69%, see rank | 28.77% | 27.57% |
| 2 or More Person Households | 959, 70.31%, see rank | 71.23% | 72.43% |
| Family Households (Families) | 919, 67.38%, see rank | 64.68% | 66.22% |
| Average Family Size | 2.96, see rank | 3.05 | 3.32 |
| Married-Couple Family | 761, 55.79%, see rank | 51.37% | 48.42% |
| Nonfamily Households | 445, 32.62%, see rank | 35.32% | 33.78% |
US Census 2010 data
Total population: 3,313
| 50638 Zip Code | Iowa | U.S. | |
| Total Households | 1,410, 100% | 1,221,576 | 116,716,292 |
| Average Household Size | 2.29, see rank | 2.41 | 2.58 |
| 1 Person Households | 427, 30.28%, see rank | 28.45% | 26.74% |
| 2 or More Person Households | 983, 69.72%, see rank | 71.55% | 73.26% |
| Family Households (Families) | 926, 65.67%, see rank | 64.67% | 66.43% |
| Average Family Size | 2.86, see rank | 2.97 | 3.14 |
| Married-Couple Family | 774, 54.89%, see rank | 51.18% | 48.42% |
| Nonfamily Households | 484, 34.33%, see rank | 35.33% | 33.57% |
ACS 2008-2012 data
Total population: 3,179
| 50638 Zip Code | Iowa | U.S. | |
| Total Households | 1,392, 100% | 1,223,509 | 115,226,802 |
| Average Household Size | 2.23, see rank | 2.41 | 2.61 |
| 1 Person Households | 417, 29.96%, see rank | 28.63% | 27.45% |
| 2 or More Person Households | 975, 70.04%, see rank | 71.37% | 72.55% |
| Family Households (Families) | 941, 67.60%, see rank | 65.05% | 66.47% |
| Average Family Size | 2.79, see rank | 3.03 | 3.29 |
| Married-Couple Family | 814, 58.48%, see rank | 51.96% | 48.97% |
| Nonfamily Households | 451, 32.40%, see rank | 34.95% | 33.53% |
US Census 2000 data
Total population: 3,253
| 50638 Zip Code | Iowa | U.S. | |
| Total Households | 1,358, 100% | 1,149,276 | 105,480,101 |
| Average Household Size | 2.33, see rank | 2.46 | 2.59 |
| 1 Person Households | 386, 28.42%, see rank | 27.24% | 25.82% |
| 2 or More Person Households | 972, 71.58%, see rank | 72.76% | 74.18% |
| Family Households (Families) | 936, 68.92%, see rank | 66.97% | 68.06% |
| Average Family Size | 2.86, see rank | 3.00 | 3.14 |
| Married-Couple Family | 821, 60.46%, see rank | 55.10% | 51.66% |
| Nonfamily Households | 422, 31.08%, 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.