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Buffalo, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 483
| Buffalo, IL | Illinois | U.S. | |
| Total Households | 202, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.39, see rank | 2.63 | 2.63 |
| 1 Person Households | 54, 26.73%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 148, 73.27%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 142, 70.30%, see rank | 65.52% | 66.22% |
| Average Family Size | 2.93, see rank | 3.36 | 3.32 |
| Married-Couple Family | 94, 46.53%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 60, 29.70%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 503
| Buffalo, IL | Illinois | U.S. | |
| Total Households | 209, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.41, see rank | 2.59 | 2.58 |
| 1 Person Households | 57, 27.27%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 152, 72.73%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 140, 66.99%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.94, see rank | 3.20 | 3.14 |
| Married-Couple Family | 114, 54.55%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 69, 33.01%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 392
| Buffalo, IL | Illinois | U.S. | |
| Total Households | 180, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.18, see rank | 2.62 | 2.61 |
| 1 Person Households | 57, 31.67%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 123, 68.33%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 105, 58.33%, see rank | 65.82% | 66.47% |
| Average Family Size | 2.82, see rank | 3.34 | 3.29 |
| Married-Couple Family | 91, 50.56%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 75, 41.67%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 365
| Buffalo, IL | Illinois | U.S. | |
| Total Households | 166, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.20, see rank | 2.61 | 2.59 |
| 1 Person Households | 53, 31.93%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 113, 68.07%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 99, 59.64%, see rank | 66.28% | 66.75% |
| Average Family Size | 2.84, see rank | 3.31 | 3.25 |
| Married-Couple Family | 92, 55.42%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 67, 40.36%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 394
| Buffalo, IL | Illinois | U.S. | |
| Total Households | 169, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.33, see rank | 2.62 | 2.60 |
| 1 Person Households | 50, 29.59%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 119, 70.41%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 107, 63.31%, see rank | 66.09% | 66.67% |
| Average Family Size | 2.98, see rank | 3.34 | 3.27 |
| Married-Couple Family | 87, 51.48%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 62, 36.69%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 491
| Buffalo, IL | Illinois | U.S. | |
| Total Households | 199, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.47, see rank | 2.63 | 2.59 |
| 1 Person Households | 58, 29.15%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 141, 70.85%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 136, 68.34%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.04, see rank | 3.23 | 3.14 |
| Married-Couple Family | 101, 50.75%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 63, 31.66%, see rank | 32.37% | 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.