| | Cottage Lake, WA | Poulsbo, WA | United States |
| Population | 22,779 | 11,652 | 329,725,481 |
| Female Population | 49.7% | 52.8% | 50.5% |
| Male Population | 50.3% | 47.2% | 49.5% |
| Median Age | 44.9 | 43.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 22,232 | 9,283 | 309,327,143 |
| Population - 2000 | 24,330 | 6,813 | 285,036,114 |
| Population - 1990 | 20,918 | 4,848 | 251,960,433 |
| Pop. 2000 to Now | 5.2% | 64.6% | 15.6% |
| Pop. 1990 to Now | 22.4% | 131.3% | 30.8% |
| space4 | | | |
| Population Density | 1,001.4 | 2,457.7 | 93.4 |
| Land Area | 22.7 | 4.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.6 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Cottage Lake, WA | Poulsbo, WA | United States |
| Age 0 to 4 | 6.5% | 4.8% | 5.9% |
| Age 5 to 9 | 4.8% | 3.1% | 6.1% |
| Age 10 to 14 | 7.6% | 6.5% | 6.6% |
| Age 15 to 17 | 4.4% | 4.7% | 3.9% |
| Age 18 to 20 | 2.6% | 3.8% | 4.0% |
| Age 21 to 24 | 2.7% | 4.6% | 5.2% |
| Age 25 to 34 | 8.4% | 11.5% | 13.8% |
| Age 35 to 44 | 13.2% | 13.1% | 12.9% |
| Age 45 to 54 | 14.9% | 14.6% | 12.6% |
| Age 55 to 59 | 8.2% | 7.7% | 6.7% |
| Age 60 to 64 | 10.9% | 4.7% | 6.3% |
| Age 65 to 74 | 11.7% | 11.8% | 9.6% |
| Age 75 to 84 | 3.3% | 6.2% | 4.5% |
| Age 85 and over | 0.7% | 2.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cottage Lake, WA | Poulsbo, WA | United States |
| White | 79.1% | 75.2% | 59.4% |
| Black | 0.4% | 1.6% | 12.2% |
| Asian | 8.9% | 2.9% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.7% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 6.4% | 6.8% | 3.2% |
| Hispanic | 5.0% | 12.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cottage Lake, WA | Poulsbo, WA | United States |
| Married Population | 69.9% | 51.9% | 49.8% |
| Currently Married | 69.5% | 51.3% | 48.0% |
| Married but Separated | 0.4% | 0.6% | 1.8% |
| Single Population | 30.1% | 48.1% | 50.2% |
| Never Married | 20.4% | 27.7% | 33.8% |
| Divorced | 7.4% | 14.2% | 10.8% |
| Widowed | 2.3% | 6.2% | 5.6% |
| space5 | | | |
| Household Size | 2.92 | 2.34 | 2.60 |
| Households | 7,778 | 4,931 | 124,010,992 |
| Family Households | 6,736 | 2,919 | 80,755,759 |
| Married couple, w/children | 36.6% | 38.3% | 30.5% |
| Married couple, no children | 54.2% | 41.1% | 42.9% |
| Non Family Households | 1,042 | 2,012 | 43,255,233 |
| Single householder, w/children | 6.4% | 12.8% | 15.8% |
| Single householder, no children | 2.8% | 7.8% | 10.8% |