Lewis County Historical Household and Family Data
ACS 2010-2014 data
Total population: 27,164
| Lewis County | New York | U.S. | |
| Total Households | 10,726, 100% | 7,255,528 | 116,211,092 |
| Average Household Size | 2.50, see rank | 2.62 | 2.63 |
| 1 Person Households | 2,519, 23.48%, see rank | 29.55% | 27.57% |
| 2 or More Person Households | 8,207, 76.52%, see rank | 70.45% | 72.43% |
| Family Households (Families) | 7,583, 70.70%, see rank | 63.90% | 66.22% |
| Average Family Size | 3.01, see rank | 3.38 | 3.32 |
| Married-Couple Family | 6,151, 57.35%, see rank | 44.12% | 48.42% |
| Nonfamily Households | 3,143, 29.30%, see rank | 36.10% | 33.78% |
US Census 2010 data
Total population: 27,087
| Lewis County | New York | U.S. | |
| Total Households | 10,514, 100% | 7,317,755 | 116,716,292 |
| Average Household Size | 2.55, see rank | 2.57 | 2.58 |
| 1 Person Households | 2,576, 24.50%, see rank | 29.12% | 26.74% |
| 2 or More Person Households | 7,938, 75.50%, see rank | 70.88% | 73.26% |
| Family Households (Families) | 7,346, 69.87%, see rank | 63.54% | 66.43% |
| Average Family Size | 3.01, see rank | 3.20 | 3.14 |
| Married-Couple Family | 5,879, 55.92%, see rank | 43.63% | 48.42% |
| Nonfamily Households | 3,168, 30.13%, see rank | 36.46% | 33.57% |
ACS 2008-2012 data
Total population: 27,062
| Lewis County | New York | U.S. | |
| Total Households | 10,657, 100% | 7,230,896 | 115,226,802 |
| Average Household Size | 2.51, see rank | 2.60 | 2.61 |
| 1 Person Households | 2,665, 25.01%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 7,992, 74.99%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 7,446, 69.87%, see rank | 64.26% | 66.47% |
| Average Family Size | 3.05, see rank | 3.35 | 3.29 |
| Married-Couple Family | 6,037, 56.65%, see rank | 44.60% | 48.97% |
| Nonfamily Households | 3,211, 30.13%, see rank | 35.74% | 33.53% |
ACS 2006-2010 data
Total population: 27,017
| Lewis County | New York | U.S. | |
| Total Households | 10,761, 100% | 7,205,740 | 114,235,996 |
| Average Household Size | 2.48, see rank | 2.59 | 2.59 |
| 1 Person Households | 2,637, 24.51%, see rank | 29.08% | 27.24% |
| 2 or More Person Households | 8,124, 75.49%, see rank | 70.92% | 72.76% |
| Family Households (Families) | 7,524, 69.92%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.02, see rank | 3.31 | 3.25 |
| Married-Couple Family | 6,057, 56.29%, see rank | 45.20% | 49.60% |
| Nonfamily Households | 3,237, 30.08%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 26,205
| Lewis County | New York | U.S. | |
| Total Households | 11,121, 100% | 7,137,013 | 112,611,029 |
| Average Household Size | 2.33, see rank | 2.64 | 2.60 |
| 1 Person Households | 2,745, 24.68%, see rank | 29.48% | 27.32% |
| 2 or More Person Households | 8,376, 75.32%, see rank | 70.52% | 72.68% |
| Family Households (Families) | 7,765, 69.82%, see rank | 64.46% | 66.67% |
| Average Family Size | 2.82, see rank | 3.40 | 3.27 |
| Married-Couple Family | 6,186, 55.62%, see rank | 45.27% | 49.71% |
| Nonfamily Households | 3,356, 30.18%, see rank | 35.54% | 33.33% |
US Census 2000 data
Total population: 26,944
| Lewis County | New York | U.S. | |
| Total Households | 10,040, 100% | 7,056,860 | 105,480,101 |
| Average Household Size | 2.66, see rank | 2.61 | 2.59 |
| 1 Person Households | 2,269, 22.60%, see rank | 28.10% | 25.82% |
| 2 or More Person Households | 7,771, 77.40%, see rank | 71.90% | 74.18% |
| Family Households (Families) | 7,307, 72.78%, see rank | 65.74% | 68.06% |
| Average Family Size | 3.12, see rank | 3.22 | 3.14 |
| Married-Couple Family | 5,964, 59.40%, see rank | 46.61% | 51.66% |
| Nonfamily Households | 2,733, 27.22%, see rank | 34.26% | 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.