| | Harmony, RI | Anthem, AZ | United States |
| Population | 1,493 | 22,750 | 329,725,481 |
| Female Population | 47.5% | 53.5% | 50.5% |
| Male Population | 52.5% | 46.5% | 49.5% |
| Median Age | 39.7 | 43.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,425 | 19,828 | 309,327,143 |
| Population - 2000 | 961 | 731 | 285,036,114 |
| Population - 1990 | 913 | 189 | 251,960,433 |
| Pop. 2000 to Now | 10.4% | 3,348.4% | 15.6% |
| Pop. 1990 to Now | 16.2% | 13,237.6% | 30.8% |
| space4 | | | |
| Population Density | 507.3 | 2,876.1 | 93.4 |
| Land Area | 2.9 | 7.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Harmony, RI | Anthem, AZ | United States |
| Age 0 to 4 | 3.2% | 4.8% | 5.9% |
| Age 5 to 9 | 9.9% | 6.4% | 6.1% |
| Age 10 to 14 | 2.8% | 7.7% | 6.6% |
| Age 15 to 17 | 6.0% | 6.7% | 3.9% |
| Age 18 to 20 | 7.6% | 4.9% | 4.0% |
| Age 21 to 24 | 11.3% | 3.2% | 5.2% |
| Age 25 to 34 | 3.1% | 7.2% | 13.8% |
| Age 35 to 44 | 11.9% | 13.1% | 12.9% |
| Age 45 to 54 | 6.8% | 16.0% | 12.6% |
| Age 55 to 59 | 20.4% | 6.1% | 6.7% |
| Age 60 to 64 | 6.4% | 5.5% | 6.3% |
| Age 65 to 74 | 8.5% | 13.3% | 9.6% |
| Age 75 to 84 | 2.1% | 4.5% | 4.5% |
| Age 85 and over | 0.0% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Harmony, RI | Anthem, AZ | United States |
| White | 100.0% | 83.9% | 59.4% |
| Black | 0.0% | 1.0% | 12.2% |
| Asian | 0.0% | 1.8% | 5.6% |
| Native American | 0.0% | 0.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 3.3% | 3.2% |
| Hispanic | 0.0% | 9.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Harmony, RI | Anthem, AZ | United States |
| Married Population | 46.3% | 60.3% | 49.8% |
| Currently Married | 46.3% | 60.1% | 48.0% |
| Married but Separated | 0.0% | 0.3% | 1.8% |
| Single Population | 53.7% | 39.7% | 50.2% |
| Never Married | 37.1% | 25.0% | 33.8% |
| Divorced | 12.4% | 10.5% | 10.8% |
| Widowed | 4.3% | 4.2% | 5.6% |
| space5 | | | |
| Household Size | 3.38 | 2.67 | 2.60 |
| Households | 442 | 8,524 | 124,010,992 |
| Family Households | 380 | 6,650 | 80,755,759 |
| Married couple, w/children | 26.3% | 31.7% | 30.5% |
| Married couple, no children | 50.3% | 49.6% | 42.9% |
| Non Family Households | 62 | 1,874 | 43,255,233 |
| Single householder, w/children | 9.2% | 14.7% | 15.8% |
| Single householder, no children | 14.2% | 4.1% | 10.8% |