| | Sachse, TX | Chippewa Falls, WI | United States |
| Population | 26,797 | 14,581 | 329,725,481 |
| Female Population | 53.1% | 51.4% | 50.5% |
| Male Population | 46.9% | 48.6% | 49.5% |
| Median Age | 42.1 | 38.4 | 38.4 |
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| Population - 2010 | 20,436 | 13,743 | 309,327,143 |
| Population - 2000 | 9,751 | 12,925 | 285,036,114 |
| Population - 1990 | 5,346 | 12,727 | 251,960,433 |
| Pop. 2000 to Now | 166.3% | 11.5% | 15.6% |
| Pop. 1990 to Now | 385.7% | 13.2% | 30.8% |
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| Population Density | 2,743.6 | 1,288.0 | 93.4 |
| Land Area | 9.8 | 11.3 | 3,531,905.4 |
| Water Area | 0.1 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Sachse, TX | Chippewa Falls, WI | United States |
| Age 0 to 4 | 5.7% | 6.9% | 5.9% |
| Age 5 to 9 | 4.5% | 6.0% | 6.1% |
| Age 10 to 14 | 8.3% | 6.4% | 6.6% |
| Age 15 to 17 | 3.9% | 2.4% | 3.9% |
| Age 18 to 20 | 4.2% | 3.9% | 4.0% |
| Age 21 to 24 | 4.0% | 6.3% | 5.2% |
| Age 25 to 34 | 8.9% | 12.8% | 13.8% |
| Age 35 to 44 | 14.9% | 14.0% | 12.9% |
| Age 45 to 54 | 19.0% | 11.7% | 12.6% |
| Age 55 to 59 | 7.4% | 5.9% | 6.7% |
| Age 60 to 64 | 6.4% | 5.0% | 6.3% |
| Age 65 to 74 | 8.6% | 10.0% | 9.6% |
| Age 75 to 84 | 3.5% | 3.7% | 4.5% |
| Age 85 and over | 0.6% | 5.0% | 1.9% |
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| Race | | | |
| | Sachse, TX | Chippewa Falls, WI | United States |
| White | 56.9% | 91.0% | 59.4% |
| Black | 11.8% | 3.1% | 12.2% |
| Asian | 18.2% | 1.1% | 5.6% |
| Native American | 0.8% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 3.8% | 2.6% | 3.2% |
| Hispanic | 8.4% | 1.4% | 18.4% |
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| Marriage & Family | | | |
| | Sachse, TX | Chippewa Falls, WI | United States |
| Married Population | 63.1% | 40.8% | 49.8% |
| Currently Married | 61.9% | 39.3% | 48.0% |
| Married but Separated | 1.2% | 1.4% | 1.8% |
| Single Population | 36.9% | 59.2% | 50.2% |
| Never Married | 24.7% | 34.0% | 33.8% |
| Divorced | 8.2% | 15.3% | 10.8% |
| Widowed | 4.1% | 10.0% | 5.6% |
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| Household Size | 2.87 | 2.19 | 2.60 |
| Households | 9,325 | 6,295 | 124,010,992 |
| Family Households | 7,126 | 3,259 | 80,755,759 |
| Married couple, w/children | 40.4% | 31.9% | 30.5% |
| Married couple, no children | 43.5% | 36.6% | 42.9% |
| Non Family Households | 2,199 | 3,036 | 43,255,233 |
| Single householder, w/children | 9.2% | 20.1% | 15.8% |
| Single householder, no children | 6.9% | 11.4% | 10.8% |