Whatcom County Historical Household and Family Data
ACS 2010-2014 data
Total population: 204,855
| Whatcom County | Washington | U.S. | |
| Total Households | 79,837, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.50, see rank | 2.55 | 2.63 |
| 1 Person Households | 21,600, 27.06%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 58,237, 72.94%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 49,816, 62.40%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.12, see rank | 3.23 | 3.32 |
| Married-Couple Family | 39,342, 49.28%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 30,021, 37.60%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 201,140
| Whatcom County | Washington | U.S. | |
| Total Households | 80,370, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.43, see rank | 2.51 | 2.58 |
| 1 Person Households | 22,357, 27.82%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 58,013, 72.18%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 48,862, 60.80%, see rank | 64.40% | 66.43% |
| Average Family Size | 2.97, see rank | 3.06 | 3.14 |
| Married-Couple Family | 38,577, 48.00%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 31,508, 39.20%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 201,404
| Whatcom County | Washington | U.S. | |
| Total Households | 79,244, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.48, see rank | 2.52 | 2.61 |
| 1 Person Households | 22,425, 28.30%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 56,819, 71.70%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 48,611, 61.34%, see rank | 64.49% | 66.47% |
| Average Family Size | 3.12, see rank | 3.18 | 3.29 |
| Married-Couple Family | 38,775, 48.93%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 30,633, 38.66%, see rank | 35.51% | 33.53% |
ACS 2006-2010 data
Total population: 195,993
| Whatcom County | Washington | U.S. | |
| Total Households | 78,186, 100% | 2,577,375 | 114,235,996 |
| Average Household Size | 2.44, see rank | 2.49 | 2.59 |
| 1 Person Households | 22,606, 28.91%, see rank | 27.74% | 27.24% |
| 2 or More Person Households | 55,580, 71.09%, see rank | 72.26% | 72.76% |
| Family Households (Families) | 47,698, 61.01%, see rank | 64.62% | 66.75% |
| Average Family Size | 3.09, see rank | 3.14 | 3.25 |
| Married-Couple Family | 38,702, 49.50%, see rank | 50.17% | 49.60% |
| Nonfamily Households | 30,488, 38.99%, see rank | 35.38% | 33.25% |
ACS 2005-2009 data
Total population: 192,886
| Whatcom County | Washington | U.S. | |
| Total Households | 75,775, 100% | 2,512,327 | 112,611,029 |
| Average Household Size | 2.48, see rank | 2.52 | 2.60 |
| 1 Person Households | 21,662, 28.59%, see rank | 27.81% | 27.32% |
| 2 or More Person Households | 54,113, 71.41%, see rank | 72.19% | 72.68% |
| Family Households (Families) | 45,682, 60.29%, see rank | 64.50% | 66.67% |
| Average Family Size | 3.14, see rank | 3.18 | 3.27 |
| Married-Couple Family | 37,249, 49.16%, see rank | 50.27% | 49.71% |
| Nonfamily Households | 30,093, 39.71%, see rank | 35.50% | 33.33% |
US Census 2000 data
Total population: 166,814
| Whatcom County | Washington | U.S. | |
| Total Households | 64,446, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.51, see rank | 2.53 | 2.59 |
| 1 Person Households | 16,491, 25.59%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 47,955, 74.41%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 41,094, 63.77%, see rank | 66.00% | 68.06% |
| Average Family Size | 3.03, see rank | 3.07 | 3.14 |
| Married-Couple Family | 33,025, 51.24%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 23,352, 36.23%, see rank | 34.00% | 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.