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Darby, MT Historical Household and Family Data
ACS 2010-2014 data
Total population: 604
| Darby, MT | Montana | U.S. | |
| Total Households | 281, 100% | 407,797 | 116,211,092 |
| Average Household Size | 2.14, see rank | 2.40 | 2.63 |
| 1 Person Households | 122, 43.42%, see rank | 30.21% | 27.57% |
| 2 or More Person Households | 159, 56.58%, see rank | 69.79% | 72.43% |
| Family Households (Families) | 137, 48.75%, see rank | 62.78% | 66.22% |
| Average Family Size | 3.00, see rank | 3.06 | 3.32 |
| Married-Couple Family | 101, 35.94%, see rank | 49.61% | 48.42% |
| Nonfamily Households | 144, 51.25%, see rank | 37.22% | 33.78% |
US Census 2010 data
Total population: 720
| Darby, MT | Montana | U.S. | |
| Total Households | 303, 100% | 409,607 | 116,716,292 |
| Average Household Size | 2.36, see rank | 2.35 | 2.58 |
| 1 Person Households | 101, 33.33%, see rank | 29.73% | 26.74% |
| 2 or More Person Households | 202, 66.67%, see rank | 70.27% | 73.26% |
| Family Households (Families) | 179, 59.08%, see rank | 62.76% | 66.43% |
| Average Family Size | 2.94, see rank | 2.91 | 3.14 |
| Married-Couple Family | 120, 39.60%, see rank | 49.22% | 48.42% |
| Nonfamily Households | 124, 40.92%, see rank | 37.24% | 33.57% |
ACS 2008-2012 data
Total population: 616
| Darby, MT | Montana | U.S. | |
| Total Households | 270, 100% | 405,508 | 115,226,802 |
| Average Household Size | 2.27, see rank | 2.37 | 2.61 |
| 1 Person Households | 101, 37.41%, see rank | 29.85% | 27.45% |
| 2 or More Person Households | 169, 62.59%, see rank | 70.15% | 72.55% |
| Family Households (Families) | 154, 57.04%, see rank | 63.19% | 66.47% |
| Average Family Size | 3.00, see rank | 3.02 | 3.29 |
| Married-Couple Family | 103, 38.15%, see rank | 50.48% | 48.97% |
| Nonfamily Households | 116, 42.96%, see rank | 36.81% | 33.53% |
ACS 2006-2010 data
Total population: 550
| Darby, MT | Montana | U.S. | |
| Total Households | 238, 100% | 401,328 | 114,235,996 |
| Average Household Size | 2.31, see rank | 2.36 | 2.59 |
| 1 Person Households | 65, 27.31%, see rank | 29.10% | 27.24% |
| 2 or More Person Households | 173, 72.69%, see rank | 70.90% | 72.76% |
| Family Households (Families) | 160, 67.23%, see rank | 63.82% | 66.75% |
| Average Family Size | 2.79, see rank | 2.98 | 3.25 |
| Married-Couple Family | 125, 52.52%, see rank | 51.61% | 49.60% |
| Nonfamily Households | 78, 32.77%, see rank | 36.18% | 33.25% |
ACS 2005-2009 data
Total population: 441
| Darby, MT | Montana | U.S. | |
| Total Households | 154, 100% | 372,947 | 112,611,029 |
| Average Household Size | 2.86, see rank | 2.49 | 2.60 |
| 1 Person Households | 49, 31.82%, see rank | 29.45% | 27.32% |
| 2 or More Person Households | 105, 68.18%, see rank | 70.55% | 72.68% |
| Family Households (Families) | 103, 66.88%, see rank | 63.66% | 66.67% |
| Average Family Size | 3.78, see rank | 3.15 | 3.27 |
| Married-Couple Family | 77, 50.00%, see rank | 51.55% | 49.71% |
| Nonfamily Households | 51, 33.12%, see rank | 36.34% | 33.33% |
US Census 2000 data
Total population: 710
| Darby, MT | Montana | U.S. | |
| Total Households | 279, 100% | 358,667 | 105,480,101 |
| Average Household Size | 2.54, see rank | 2.45 | 2.59 |
| 1 Person Households | 85, 30.47%, see rank | 27.44% | 25.82% |
| 2 or More Person Households | 194, 69.53%, see rank | 72.56% | 74.18% |
| Family Households (Families) | 176, 63.08%, see rank | 66.19% | 68.06% |
| Average Family Size | 3.20, see rank | 2.99 | 3.14 |
| Married-Couple Family | 117, 41.94%, see rank | 53.55% | 51.66% |
| Nonfamily Households | 103, 36.92%, see rank | 33.81% | 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.