| | Emmaus, PA | Winfield, IL | United States |
| Population | 11,589 | 9,852 | 329,725,481 |
| Female Population | 49.2% | 48.2% | 50.5% |
| Male Population | 50.8% | 51.8% | 49.5% |
| Median Age | 42 | 48.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 11,190 | 9,132 | 309,327,143 |
| Population - 2000 | 11,313 | 8,718 | 285,036,114 |
| Population - 1990 | 11,157 | 7,096 | 251,960,433 |
| Pop. 2000 to Now | 1.6% | 9.9% | 15.6% |
| Pop. 1990 to Now | 3.0% | 35.0% | 30.8% |
| space4 | | | |
| Population Density | 4,003.1 | 3,225.9 | 93.4 |
| Land Area | 2.9 | 3.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Emmaus, PA | Winfield, IL | United States |
| Age 0 to 4 | 5.7% | 5.0% | 5.9% |
| Age 5 to 9 | 4.7% | 5.2% | 6.1% |
| Age 10 to 14 | 6.1% | 6.3% | 6.6% |
| Age 15 to 17 | 2.6% | 4.5% | 3.9% |
| Age 18 to 20 | 2.3% | 2.6% | 4.0% |
| Age 21 to 24 | 5.7% | 3.7% | 5.2% |
| Age 25 to 34 | 13.7% | 6.2% | 13.8% |
| Age 35 to 44 | 16.2% | 13.3% | 12.9% |
| Age 45 to 54 | 14.3% | 15.7% | 12.6% |
| Age 55 to 59 | 7.2% | 8.9% | 6.7% |
| Age 60 to 64 | 7.6% | 9.6% | 6.3% |
| Age 65 to 74 | 7.5% | 10.5% | 9.6% |
| Age 75 to 84 | 3.6% | 6.6% | 4.5% |
| Age 85 and over | 2.8% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Emmaus, PA | Winfield, IL | United States |
| White | 85.0% | 82.9% | 59.4% |
| Black | 2.5% | 0.9% | 12.2% |
| Asian | 2.8% | 5.6% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 2.2% | 2.5% | 3.2% |
| Hispanic | 7.4% | 7.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Emmaus, PA | Winfield, IL | United States |
| Married Population | 54.1% | 63.4% | 49.8% |
| Currently Married | 53.2% | 62.9% | 48.0% |
| Married but Separated | 0.9% | 0.5% | 1.8% |
| Single Population | 45.9% | 36.6% | 50.2% |
| Never Married | 31.0% | 23.5% | 33.8% |
| Divorced | 10.6% | 9.7% | 10.8% |
| Widowed | 4.3% | 3.4% | 5.6% |
| space5 | | | |
| Household Size | 2.41 | 2.54 | 2.60 |
| Households | 4,800 | 3,879 | 124,010,992 |
| Family Households | 3,240 | 2,949 | 80,755,759 |
| Married couple, w/children | 35.9% | 32.2% | 30.5% |
| Married couple, no children | 39.2% | 54.4% | 42.9% |
| Non Family Households | 1,560 | 930 | 43,255,233 |
| Single householder, w/children | 11.8% | 3.9% | 15.8% |
| Single householder, no children | 13.1% | 9.5% | 10.8% |