| | Lindenhurst, IL | Ferndale, CA | United States |
| Population | 14,453 | 1,481 | 329,725,481 |
| Female Population | 50.1% | 48.2% | 50.5% |
| Male Population | 49.9% | 51.8% | 49.5% |
| Median Age | 37.7 | 57.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 14,594 | 1,370 | 309,327,143 |
| Population - 2000 | 12,539 | 1,382 | 285,036,114 |
| Population - 1990 | 8,038 | 1,331 | 251,960,433 |
| Pop. 2000 to Now | 12.6% | -1.5% | 15.6% |
| Pop. 1990 to Now | 75.6% | 2.3% | 30.8% |
| space4 | | | |
| Population Density | 3,200.4 | 1,442.1 | 93.4 |
| Land Area | 4.5 | 1.0 | 3,531,905.4 |
| Water Area | 0.3 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Lindenhurst, IL | Ferndale, CA | United States |
| Age 0 to 4 | 6.8% | 3.1% | 5.9% |
| Age 5 to 9 | 7.4% | 4.1% | 6.1% |
| Age 10 to 14 | 7.0% | 5.6% | 6.6% |
| Age 15 to 17 | 4.9% | 3.0% | 3.9% |
| Age 18 to 20 | 3.8% | 3.6% | 4.0% |
| Age 21 to 24 | 5.2% | 6.7% | 5.2% |
| Age 25 to 34 | 11.5% | 5.3% | 13.8% |
| Age 35 to 44 | 13.5% | 9.9% | 12.9% |
| Age 45 to 54 | 16.4% | 6.8% | 12.6% |
| Age 55 to 59 | 7.6% | 7.4% | 6.7% |
| Age 60 to 64 | 3.2% | 11.1% | 6.3% |
| Age 65 to 74 | 8.2% | 20.8% | 9.6% |
| Age 75 to 84 | 3.0% | 5.6% | 4.5% |
| Age 85 and over | 1.3% | 7.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Lindenhurst, IL | Ferndale, CA | United States |
| White | 79.4% | 81.7% | 59.4% |
| Black | 1.8% | 0.0% | 12.2% |
| Asian | 5.9% | 3.7% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 4.9% | 3.2% |
| Hispanic | 10.8% | 9.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Lindenhurst, IL | Ferndale, CA | United States |
| Married Population | 61.0% | 48.9% | 49.8% |
| Currently Married | 59.8% | 46.5% | 48.0% |
| Married but Separated | 1.2% | 2.4% | 1.8% |
| Single Population | 39.0% | 51.1% | 50.2% |
| Never Married | 26.7% | 25.6% | 33.8% |
| Divorced | 7.5% | 16.2% | 10.8% |
| Widowed | 4.9% | 9.3% | 5.6% |
| space5 | | | |
| Household Size | 2.92 | 2.46 | 2.60 |
| Households | 4,898 | 602 | 124,010,992 |
| Family Households | 3,886 | 398 | 80,755,759 |
| Married couple, w/children | 43.5% | 20.1% | 30.5% |
| Married couple, no children | 40.4% | 49.7% | 42.9% |
| Non Family Households | 1,012 | 204 | 43,255,233 |
| Single householder, w/children | 9.1% | 8.0% | 15.8% |
| Single householder, no children | 7.0% | 22.1% | 10.8% |