| | Long Beach, WA | Lakeside, OR | United States |
| Population | 1,925 | 1,748 | 329,725,481 |
| Female Population | 57.8% | 46.1% | 50.5% |
| Male Population | 42.2% | 54.0% | 49.5% |
| Median Age | 45.8 | 63 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,389 | 1,699 | 309,327,143 |
| Population - 2000 | 1,283 | 1,371 | 285,036,114 |
| Population - 1990 | 1,236 | 1,437 | 251,960,433 |
| Pop. 2000 to Now | 18.5% | 31.4% | 15.6% |
| Pop. 1990 to Now | 23.0% | 25.4% | 30.8% |
| space4 | | | |
| Population Density | 1,393.9 | 874.4 | 93.4 |
| Land Area | 1.4 | 2.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Long Beach, WA | Lakeside, OR | United States |
| Age 0 to 4 | 4.5% | 3.5% | 5.9% |
| Age 5 to 9 | 5.9% | 5.1% | 6.1% |
| Age 10 to 14 | 3.6% | 1.1% | 6.6% |
| Age 15 to 17 | 5.3% | 1.1% | 3.9% |
| Age 18 to 20 | 4.8% | 0.0% | 4.0% |
| Age 21 to 24 | 5.3% | 1.8% | 5.2% |
| Age 25 to 34 | 9.6% | 6.7% | 13.8% |
| Age 35 to 44 | 9.5% | 7.3% | 12.9% |
| Age 45 to 54 | 12.2% | 9.3% | 12.6% |
| Age 55 to 59 | 2.9% | 10.5% | 6.7% |
| Age 60 to 64 | 11.2% | 12.8% | 6.3% |
| Age 65 to 74 | 14.1% | 22.0% | 9.6% |
| Age 75 to 84 | 8.8% | 16.8% | 4.5% |
| Age 85 and over | 2.4% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Long Beach, WA | Lakeside, OR | United States |
| White | 87.8% | 96.1% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.7% | 0.0% | 5.6% |
| Native American | 0.5% | 1.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.0% | 0.6% | 0.4% |
| Two or More Races | 4.1% | 1.3% | 3.2% |
| Hispanic | 5.9% | 0.3% | 18.4% |
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| Marriage & Family | | | |
| | Long Beach, WA | Lakeside, OR | United States |
| Married Population | 45.4% | 64.1% | 49.8% |
| Currently Married | 44.3% | 61.7% | 48.0% |
| Married but Separated | 1.1% | 2.3% | 1.8% |
| Single Population | 54.6% | 35.9% | 50.2% |
| Never Married | 34.4% | 11.0% | 33.8% |
| Divorced | 12.0% | 16.9% | 10.8% |
| Widowed | 8.2% | 8.0% | 5.6% |
| space5 | | | |
| Household Size | 2.44 | 2.16 | 2.60 |
| Households | 789 | 804 | 124,010,992 |
| Family Households | 423 | 501 | 80,755,759 |
| Married couple, w/children | 25.3% | 19.8% | 30.5% |
| Married couple, no children | 44.7% | 68.7% | 42.9% |
| Non Family Households | 366 | 303 | 43,255,233 |
| Single householder, w/children | 22.9% | 7.2% | 15.8% |
| Single householder, no children | 7.1% | 4.4% | 10.8% |