| | West St. Paul, MN | St. Paul Park, MN | United States |
| Population | 20,476 | 5,490 | 329,725,481 |
| Female Population | 53.0% | 44.1% | 50.5% |
| Male Population | 47.0% | 55.9% | 49.5% |
| Median Age | 38.5 | 40.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 19,552 | 5,255 | 309,327,143 |
| Population - 2000 | 19,405 | 5,070 | 285,036,114 |
| Population - 1990 | 19,213 | 4,965 | 251,960,433 |
| Pop. 2000 to Now | 2.1% | 5.5% | 15.6% |
| Pop. 1990 to Now | 3.1% | 7.7% | 30.8% |
| space4 | | | |
| Population Density | 4,172.0 | 1,849.1 | 93.4 |
| Land Area | 4.9 | 3.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.6 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | West St. Paul, MN | St. Paul Park, MN | United States |
| Age 0 to 4 | 6.3% | 3.4% | 5.9% |
| Age 5 to 9 | 6.7% | 6.0% | 6.1% |
| Age 10 to 14 | 4.5% | 7.0% | 6.6% |
| Age 15 to 17 | 3.6% | 4.4% | 3.9% |
| Age 18 to 20 | 3.4% | 4.6% | 4.0% |
| Age 21 to 24 | 4.8% | 6.7% | 5.2% |
| Age 25 to 34 | 14.2% | 10.1% | 13.8% |
| Age 35 to 44 | 13.0% | 14.4% | 12.9% |
| Age 45 to 54 | 13.1% | 17.8% | 12.6% |
| Age 55 to 59 | 5.7% | 7.2% | 6.7% |
| Age 60 to 64 | 5.5% | 6.7% | 6.3% |
| Age 65 to 74 | 11.3% | 7.0% | 9.6% |
| Age 75 to 84 | 4.2% | 4.2% | 4.5% |
| Age 85 and over | 3.7% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | West St. Paul, MN | St. Paul Park, MN | United States |
| White | 68.3% | 73.0% | 59.4% |
| Black | 3.9% | 2.6% | 12.2% |
| Asian | 2.7% | 6.2% | 5.6% |
| Native American | 0.4% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 3.7% | 3.4% | 3.2% |
| Hispanic | 20.9% | 14.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | West St. Paul, MN | St. Paul Park, MN | United States |
| Married Population | 43.6% | 44.1% | 49.8% |
| Currently Married | 42.7% | 39.9% | 48.0% |
| Married but Separated | 1.0% | 4.1% | 1.8% |
| Single Population | 56.4% | 55.9% | 50.2% |
| Never Married | 37.8% | 42.3% | 33.8% |
| Divorced | 11.2% | 9.9% | 10.8% |
| Widowed | 7.3% | 3.7% | 5.6% |
| space5 | | | |
| Household Size | 2.26 | 2.49 | 2.60 |
| Households | 8,943 | 2,197 | 124,010,992 |
| Family Households | 4,864 | 1,268 | 80,755,759 |
| Married couple, w/children | 28.7% | 33.1% | 30.5% |
| Married couple, no children | 39.7% | 38.8% | 42.9% |
| Non Family Households | 4,079 | 929 | 43,255,233 |
| Single householder, w/children | 17.6% | 17.0% | 15.8% |
| Single householder, no children | 13.9% | 11.0% | 10.8% |