| | Highland Beach, FL | Crystal Springs, FL | United States |
| Population | 4,244 | 843 | 329,725,481 |
| Female Population | 52.1% | 49.6% | 50.5% |
| Male Population | 48.0% | 50.4% | 49.5% |
| Median Age | 69.4 | 53.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,637 | 1,151 | 309,327,143 |
| Population - 2000 | 3,775 | 1,175 | 285,036,114 |
| Population - 1990 | 3,209 | 946 | 251,960,433 |
| Pop. 2000 to Now | 3.7% | -5.0% | 15.6% |
| Pop. 1990 to Now | 22.0% | 18.0% | 30.8% |
| space4 | | | |
| Population Density | 7,903.2 | 149.1 | 93.4 |
| Land Area | 0.5 | 5.7 | 3,531,905.4 |
| Water Area | 0.8 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Highland Beach, FL | Crystal Springs, FL | United States |
| Age 0 to 4 | 0.0% | 6.5% | 5.9% |
| Age 5 to 9 | 0.8% | 1.2% | 6.1% |
| Age 10 to 14 | 1.5% | 1.9% | 6.6% |
| Age 15 to 17 | 0.9% | 2.3% | 3.9% |
| Age 18 to 20 | 0.4% | 3.8% | 4.0% |
| Age 21 to 24 | 3.1% | 2.1% | 5.2% |
| Age 25 to 34 | 3.6% | 15.4% | 13.8% |
| Age 35 to 44 | 1.4% | 7.8% | 12.9% |
| Age 45 to 54 | 12.2% | 12.6% | 12.6% |
| Age 55 to 59 | 6.6% | 13.0% | 6.7% |
| Age 60 to 64 | 10.3% | 13.9% | 6.3% |
| Age 65 to 74 | 25.4% | 8.4% | 9.6% |
| Age 75 to 84 | 22.8% | 9.7% | 4.5% |
| Age 85 and over | 10.9% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Highland Beach, FL | Crystal Springs, FL | United States |
| White | 82.2% | 83.6% | 59.4% |
| Black | 3.4% | 0.7% | 12.2% |
| Asian | 1.9% | 0.4% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 3.9% | 1.8% | 0.4% |
| Two or More Races | 1.2% | 3.2% | 3.2% |
| Hispanic | 7.4% | 10.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Highland Beach, FL | Crystal Springs, FL | United States |
| Married Population | 61.1% | 44.8% | 49.8% |
| Currently Married | 61.1% | 44.2% | 48.0% |
| Married but Separated | 0.0% | 0.5% | 1.8% |
| Single Population | 38.9% | 55.2% | 50.2% |
| Never Married | 15.3% | 31.8% | 33.8% |
| Divorced | 10.2% | 19.7% | 10.8% |
| Widowed | 13.4% | 3.8% | 5.6% |
| space5 | | | |
| Household Size | 1.91 | 2.12 | 2.60 |
| Households | 2,222 | 397 | 124,010,992 |
| Family Households | 1,383 | 245 | 80,755,759 |
| Married couple, w/children | 4.1% | 29.4% | 30.5% |
| Married couple, no children | 84.0% | 40.4% | 42.9% |
| Non Family Households | 839 | 152 | 43,255,233 |
| Single householder, w/children | 2.0% | 0.0% | 15.8% |
| Single householder, no children | 9.9% | 30.2% | 10.8% |