| | Leola, SD | Lindenhurst, IL | United States |
| Population | 374 | 14,453 | 329,725,481 |
| Female Population | 36.9% | 50.1% | 50.5% |
| Male Population | 63.1% | 49.9% | 49.5% |
| Median Age | 42.5 | 37.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 457 | 14,594 | 309,327,143 |
| Population - 2000 | 462 | 12,539 | 285,036,114 |
| Population - 1990 | 521 | 8,038 | 251,960,433 |
| Pop. 2000 to Now | -9.1% | 12.6% | 15.6% |
| Pop. 1990 to Now | -19.4% | 75.6% | 30.8% |
| space4 | | | |
| Population Density | 504.0 | 3,200.4 | 93.4 |
| Land Area | 0.7 | 4.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Leola, SD | Lindenhurst, IL | United States |
| Age 0 to 4 | 9.4% | 6.8% | 5.9% |
| Age 5 to 9 | 4.8% | 7.4% | 6.1% |
| Age 10 to 14 | 7.0% | 7.0% | 6.6% |
| Age 15 to 17 | 2.9% | 4.9% | 3.9% |
| Age 18 to 20 | 1.9% | 3.8% | 4.0% |
| Age 21 to 24 | 3.5% | 5.2% | 5.2% |
| Age 25 to 34 | 9.6% | 11.5% | 13.8% |
| Age 35 to 44 | 11.5% | 13.5% | 12.9% |
| Age 45 to 54 | 21.1% | 16.4% | 12.6% |
| Age 55 to 59 | 7.0% | 7.6% | 6.7% |
| Age 60 to 64 | 11.2% | 3.2% | 6.3% |
| Age 65 to 74 | 4.3% | 8.2% | 9.6% |
| Age 75 to 84 | 3.7% | 3.0% | 4.5% |
| Age 85 and over | 2.1% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Leola, SD | Lindenhurst, IL | United States |
| White | 97.6% | 79.4% | 59.4% |
| Black | 0.0% | 1.8% | 12.2% |
| Asian | 0.0% | 5.9% | 5.6% |
| Native American | 1.9% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 0.5% | 1.6% | 3.2% |
| Hispanic | 0.0% | 10.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Leola, SD | Lindenhurst, IL | United States |
| Married Population | 53.6% | 61.0% | 49.8% |
| Currently Married | 53.6% | 59.8% | 48.0% |
| Married but Separated | 0.0% | 1.2% | 1.8% |
| Single Population | 46.4% | 39.0% | 50.2% |
| Never Married | 29.2% | 26.7% | 33.8% |
| Divorced | 8.5% | 7.5% | 10.8% |
| Widowed | 8.8% | 4.9% | 5.6% |
| space5 | | | |
| Household Size | 2.86 | 2.92 | 2.60 |
| Households | 118 | 4,898 | 124,010,992 |
| Family Households | 83 | 3,886 | 80,755,759 |
| Married couple, w/children | 36.1% | 43.5% | 30.5% |
| Married couple, no children | 39.8% | 40.4% | 42.9% |
| Non Family Households | 35 | 1,012 | 43,255,233 |
| Single householder, w/children | 4.8% | 9.1% | 15.8% |
| Single householder, no children | 19.3% | 7.0% | 10.8% |