| | Lake Almanor Peninsula, CA | Chester, CA | United States |
| Population | 332 | 2,242 | 329,725,481 |
| Female Population | 52.7% | 51.0% | 50.5% |
| Male Population | 47.3% | 49.0% | 49.5% |
| Median Age | 64.9 | 58 | 38.4 |
| space3 | | | |
| Population - 2010 | 260 | 1,841 | 309,327,143 |
| Population - 2000 | 336 | 2,316 | 285,036,114 |
| Population - 1990 | 330 | 2,082 | 251,960,433 |
| Pop. 2000 to Now | 10.1% | 1.0% | 15.6% |
| Pop. 1990 to Now | 12.1% | 12.4% | 30.8% |
| space4 | | | |
| Population Density | 109.4 | 307.6 | 93.4 |
| Land Area | 3.0 | 7.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Lake Almanor Peninsula, CA | Chester, CA | United States |
| Age 0 to 4 | 0.0% | 2.7% | 5.9% |
| Age 5 to 9 | 0.9% | 4.0% | 6.1% |
| Age 10 to 14 | 0.0% | 3.5% | 6.6% |
| Age 15 to 17 | 1.5% | 1.2% | 3.9% |
| Age 18 to 20 | 2.1% | 2.1% | 4.0% |
| Age 21 to 24 | 0.0% | 1.5% | 5.2% |
| Age 25 to 34 | 1.5% | 10.0% | 13.8% |
| Age 35 to 44 | 4.2% | 10.9% | 12.9% |
| Age 45 to 54 | 9.9% | 11.8% | 12.6% |
| Age 55 to 59 | 3.0% | 4.6% | 6.7% |
| Age 60 to 64 | 27.4% | 11.2% | 6.3% |
| Age 65 to 74 | 34.9% | 25.2% | 9.6% |
| Age 75 to 84 | 8.4% | 8.3% | 4.5% |
| Age 85 and over | 6.0% | 3.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Lake Almanor Peninsula, CA | Chester, CA | United States |
| White | 85.5% | 83.3% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 1.7% | 3.2% |
| Hispanic | 14.5% | 15.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Lake Almanor Peninsula, CA | Chester, CA | United States |
| Married Population | 59.9% | 60.6% | 49.8% |
| Currently Married | 57.8% | 60.0% | 48.0% |
| Married but Separated | 2.1% | 0.6% | 1.8% |
| Single Population | 40.1% | 39.4% | 50.2% |
| Never Married | 17.9% | 18.9% | 33.8% |
| Divorced | 16.1% | 15.7% | 10.8% |
| Widowed | 6.1% | 4.8% | 5.6% |
| space5 | | | |
| Household Size | 2.13 | 2.22 | 2.60 |
| Households | 156 | 996 | 124,010,992 |
| Family Households | 95 | 655 | 80,755,759 |
| Married couple, w/children | 11.6% | 15.6% | 30.5% |
| Married couple, no children | 76.8% | 63.2% | 42.9% |
| Non Family Households | 61 | 341 | 43,255,233 |
| Single householder, w/children | 0.0% | 9.0% | 15.8% |
| Single householder, no children | 11.6% | 12.2% | 10.8% |