| | Pulaski, WI | Marshfield, WI | United States |
| Population | 3,811 | 18,668 | 329,725,481 |
| Female Population | 51.0% | 52.5% | 50.5% |
| Male Population | 49.0% | 47.5% | 49.5% |
| Median Age | 27.4 | 42.9 | 38.4 |
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| Population - 2010 | 3,541 | 19,099 | 309,327,143 |
| Population - 2000 | 3,060 | 18,800 | 285,036,114 |
| Population - 1990 | 2,200 | 19,291 | 251,960,433 |
| Pop. 2000 to Now | 23.1% | -2.1% | 15.6% |
| Pop. 1990 to Now | 71.2% | -4.6% | 30.8% |
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| Population Density | 1,354.8 | 1,368.2 | 93.4 |
| Land Area | 2.8 | 13.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Pulaski, WI | Marshfield, WI | United States |
| Age 0 to 4 | 10.4% | 5.2% | 5.9% |
| Age 5 to 9 | 15.2% | 4.9% | 6.1% |
| Age 10 to 14 | 7.7% | 5.9% | 6.6% |
| Age 15 to 17 | 4.3% | 3.5% | 3.9% |
| Age 18 to 20 | 3.8% | 3.5% | 4.0% |
| Age 21 to 24 | 8.1% | 3.5% | 5.2% |
| Age 25 to 34 | 8.8% | 13.3% | 13.8% |
| Age 35 to 44 | 11.2% | 12.2% | 12.9% |
| Age 45 to 54 | 13.0% | 11.5% | 12.6% |
| Age 55 to 59 | 4.0% | 6.7% | 6.7% |
| Age 60 to 64 | 1.8% | 7.4% | 6.3% |
| Age 65 to 74 | 6.2% | 12.3% | 9.6% |
| Age 75 to 84 | 4.6% | 6.5% | 4.5% |
| Age 85 and over | 1.0% | 3.7% | 1.9% |
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| Race | | | |
| | Pulaski, WI | Marshfield, WI | United States |
| White | 85.6% | 91.5% | 59.4% |
| Black | 1.2% | 1.3% | 12.2% |
| Asian | 1.9% | 2.8% | 5.6% |
| Native American | 0.3% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 7.7% | 2.0% | 3.2% |
| Hispanic | 3.3% | 2.3% | 18.4% |
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| Marriage & Family | | | |
| | Pulaski, WI | Marshfield, WI | United States |
| Married Population | 44.2% | 48.5% | 49.8% |
| Currently Married | 41.5% | 47.3% | 48.0% |
| Married but Separated | 2.7% | 1.2% | 1.8% |
| Single Population | 55.8% | 51.5% | 50.2% |
| Never Married | 29.3% | 30.2% | 33.8% |
| Divorced | 17.5% | 14.5% | 10.8% |
| Widowed | 9.0% | 6.8% | 5.6% |
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| Household Size | 2.89 | 2.09 | 2.60 |
| Households | 1,304 | 8,802 | 124,010,992 |
| Family Households | 795 | 4,793 | 80,755,759 |
| Married couple, w/children | 43.8% | 21.2% | 30.5% |
| Married couple, no children | 18.7% | 50.7% | 42.9% |
| Non Family Households | 509 | 4,009 | 43,255,233 |
| Single householder, w/children | 13.8% | 17.3% | 15.8% |
| Single householder, no children | 23.6% | 10.8% | 10.8% |