Alton, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 27,517
Alton, IL | Illinois | U.S. | |
Total Households | 11,737, 100% | 4,778,633 | 116,211,092 |
Average Household Size | 2.30, see rank | 2.63 | 2.63 |
1 Person Households | 4,156, 35.41%, see rank | 28.68% | 27.57% |
2 or More Person Households | 7,581, 64.59%, see rank | 71.32% | 72.43% |
Family Households (Families) | 6,703, 57.11%, see rank | 65.52% | 66.22% |
Average Family Size | 3.11, see rank | 3.36 | 3.32 |
Married-Couple Family | 3,933, 33.51%, see rank | 48.22% | 48.42% |
Nonfamily Households | 5,034, 42.89%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 27,865
Alton, IL | Illinois | U.S. | |
Total Households | 11,734, 100% | 4,836,972 | 116,716,292 |
Average Household Size | 2.33, see rank | 2.59 | 2.58 |
1 Person Households | 4,037, 34.40%, see rank | 27.83% | 26.74% |
2 or More Person Households | 7,697, 65.60%, see rank | 72.17% | 73.26% |
Family Households (Families) | 6,854, 58.41%, see rank | 65.81% | 66.43% |
Average Family Size | 3.00, see rank | 3.20 | 3.14 |
Married-Couple Family | 3,951, 33.67%, see rank | 48.23% | 48.42% |
Nonfamily Households | 4,880, 41.59%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 27,868
Alton, IL | Illinois | U.S. | |
Total Households | 11,410, 100% | 4,774,275 | 115,226,802 |
Average Household Size | 2.39, see rank | 2.62 | 2.61 |
1 Person Households | 3,748, 32.85%, see rank | 28.52% | 27.45% |
2 or More Person Households | 7,662, 67.15%, see rank | 71.48% | 72.55% |
Family Households (Families) | 6,741, 59.08%, see rank | 65.82% | 66.47% |
Average Family Size | 3.17, see rank | 3.34 | 3.29 |
Married-Couple Family | 4,060, 35.58%, see rank | 48.67% | 48.97% |
Nonfamily Households | 4,669, 40.92%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 28,380
Alton, IL | Illinois | U.S. | |
Total Households | 11,514, 100% | 4,769,951 | 114,235,996 |
Average Household Size | 2.43, see rank | 2.61 | 2.59 |
1 Person Households | 3,534, 30.69%, see rank | 28.23% | 27.24% |
2 or More Person Households | 7,980, 69.31%, see rank | 71.77% | 72.76% |
Family Households (Families) | 7,123, 61.86%, see rank | 66.28% | 66.75% |
Average Family Size | 3.16, see rank | 3.31 | 3.25 |
Married-Couple Family | 4,351, 37.79%, see rank | 49.36% | 49.60% |
Nonfamily Households | 4,391, 38.14%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 29,405
Alton, IL | Illinois | U.S. | |
Total Households | 12,223, 100% | 4,749,388 | 112,611,029 |
Average Household Size | 2.37, see rank | 2.62 | 2.60 |
1 Person Households | 4,034, 33.00%, see rank | 28.40% | 27.32% |
2 or More Person Households | 8,189, 67.00%, see rank | 71.60% | 72.68% |
Family Households (Families) | 7,370, 60.30%, see rank | 66.09% | 66.67% |
Average Family Size | 3.12, see rank | 3.34 | 3.27 |
Married-Couple Family | 4,534, 37.09%, see rank | 49.35% | 49.71% |
Nonfamily Households | 4,853, 39.70%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 30,496
Alton, IL | Illinois | U.S. | |
Total Households | 12,518, 100% | 4,591,779 | 105,480,101 |
Average Household Size | 2.36, see rank | 2.63 | 2.59 |
1 Person Households | 4,166, 33.28%, see rank | 26.78% | 25.82% |
2 or More Person Households | 8,352, 66.72%, see rank | 73.22% | 74.18% |
Family Households (Families) | 7,650, 61.11%, see rank | 67.63% | 68.06% |
Average Family Size | 3.02, see rank | 3.23 | 3.14 |
Married-Couple Family | 4,924, 39.34%, see rank | 51.26% | 51.66% |
Nonfamily Households | 4,868, 38.89%, 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.