USA.com / Washington / Cowlitz County / Castle Rock, WA / 98611 / Population and Races / Historical Household and Family Data
98611 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 10,021
| 98611 Zip Code | Washington | U.S. | |
| Total Households | 3,868, 100% | 2,645,396 | 116,211,092 |
| Average Household Size | 2.57, see rank | 2.55 | 2.63 |
| 1 Person Households | 1,082, 27.97%, see rank | 27.79% | 27.57% |
| 2 or More Person Households | 2,786, 72.03%, see rank | 72.21% | 72.43% |
| Family Households (Families) | 2,693, 69.62%, see rank | 64.48% | 66.22% |
| Average Family Size | 3.19, see rank | 3.23 | 3.32 |
| Married-Couple Family | 2,322, 60.03%, see rank | 49.73% | 48.42% |
| Nonfamily Households | 1,175, 30.38%, see rank | 35.52% | 33.78% |
US Census 2010 data
Total population: 9,133
| 98611 Zip Code | Washington | U.S. | |
| Total Households | 3,528, 100% | 2,620,076 | 116,716,292 |
| Average Household Size | 2.58, see rank | 2.51 | 2.58 |
| 1 Person Households | 709, 20.10%, see rank | 27.16% | 26.74% |
| 2 or More Person Households | 2,819, 79.90%, see rank | 72.84% | 73.26% |
| Family Households (Families) | 2,610, 73.98%, see rank | 64.40% | 66.43% |
| Average Family Size | 2.93, see rank | 3.06 | 3.14 |
| Married-Couple Family | 2,107, 59.72%, see rank | 49.19% | 48.42% |
| Nonfamily Households | 918, 26.02%, see rank | 35.60% | 33.57% |
ACS 2008-2012 data
Total population: 9,529
| 98611 Zip Code | Washington | U.S. | |
| Total Households | 3,652, 100% | 2,619,995 | 115,226,802 |
| Average Household Size | 2.58, see rank | 2.52 | 2.61 |
| 1 Person Households | 893, 24.45%, see rank | 27.74% | 27.45% |
| 2 or More Person Households | 2,759, 75.55%, see rank | 72.26% | 72.55% |
| Family Households (Families) | 2,573, 70.45%, see rank | 64.49% | 66.47% |
| Average Family Size | 3.12, see rank | 3.18 | 3.29 |
| Married-Couple Family | 2,105, 57.64%, see rank | 49.98% | 48.97% |
| Nonfamily Households | 1,079, 29.55%, see rank | 35.51% | 33.53% |
US Census 2000 data
Total population: 8,317
| 98611 Zip Code | Washington | U.S. | |
| Total Households | 3,145, 100% | 2,271,398 | 105,480,101 |
| Average Household Size | 2.63, see rank | 2.53 | 2.59 |
| 1 Person Households | 629, 20.00%, see rank | 26.17% | 25.82% |
| 2 or More Person Households | 2,516, 80.00%, see rank | 73.83% | 74.18% |
| Family Households (Families) | 2,392, 76.06%, see rank | 66.00% | 68.06% |
| Average Family Size | 2.99, see rank | 3.07 | 3.14 |
| Married-Couple Family | 2,010, 63.91%, see rank | 52.04% | 51.66% |
| Nonfamily Households | 753, 23.94%, 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.