| | West Sacramento, CA | Broomfield, CO | United States |
| Population | 53,589 | 72,697 | 329,725,481 |
| Female Population | 51.3% | 49.8% | 50.5% |
| Male Population | 48.7% | 50.2% | 49.5% |
| Median Age | 34.5 | 38.4 | 38.4 |
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| Population - 2010 | 48,875 | 56,212 | 309,327,143 |
| Population - 2000 | 31,615 | 38,272 | 285,036,114 |
| Population - 1990 | 28,898 | 24,638 | 251,960,433 |
| Pop. 2000 to Now | 69.8% | 88.7% | 15.6% |
| Pop. 1990 to Now | 85.8% | 193.2% | 30.8% |
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| Population Density | 2,496.0 | 2,202.7 | 93.4 |
| Land Area | 21.5 | 33.0 | 3,531,905.4 |
| Water Area | 1.3 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | West Sacramento, CA | Broomfield, CO | United States |
| Age 0 to 4 | 6.8% | 5.0% | 5.9% |
| Age 5 to 9 | 7.1% | 6.3% | 6.1% |
| Age 10 to 14 | 8.4% | 6.8% | 6.6% |
| Age 15 to 17 | 4.2% | 4.3% | 3.9% |
| Age 18 to 20 | 3.8% | 2.8% | 4.0% |
| Age 21 to 24 | 5.3% | 4.8% | 5.2% |
| Age 25 to 34 | 15.4% | 15.4% | 13.8% |
| Age 35 to 44 | 15.6% | 14.7% | 12.9% |
| Age 45 to 54 | 11.2% | 14.1% | 12.6% |
| Age 55 to 59 | 5.5% | 6.4% | 6.7% |
| Age 60 to 64 | 6.1% | 5.4% | 6.3% |
| Age 65 to 74 | 6.6% | 8.6% | 9.6% |
| Age 75 to 84 | 2.9% | 3.5% | 4.5% |
| Age 85 and over | 1.2% | 1.9% | 1.9% |
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| Race | | | |
| | West Sacramento, CA | Broomfield, CO | United States |
| White | 43.6% | 75.6% | 59.4% |
| Black | 4.3% | 1.2% | 12.2% |
| Asian | 11.2% | 6.8% | 5.6% |
| Native American | 0.3% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 1.1% | 0.0% | 0.2% |
| Other | 0.3% | 0.3% | 0.4% |
| Two or More Races | 6.0% | 2.9% | 3.2% |
| Hispanic | 33.3% | 12.9% | 18.4% |
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| Marriage & Family | | | |
| | West Sacramento, CA | Broomfield, CO | United States |
| Married Population | 52.3% | 55.6% | 49.8% |
| Currently Married | 49.9% | 54.5% | 48.0% |
| Married but Separated | 2.3% | 1.1% | 1.8% |
| Single Population | 47.7% | 44.4% | 50.2% |
| Never Married | 34.0% | 29.4% | 33.8% |
| Divorced | 9.7% | 10.9% | 10.8% |
| Widowed | 4.0% | 4.0% | 5.6% |
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| Household Size | 2.80 | 2.45 | 2.60 |
| Households | 18,966 | 29,487 | 124,010,992 |
| Family Households | 13,099 | 19,027 | 80,755,759 |
| Married couple, w/children | 37.2% | 36.9% | 30.5% |
| Married couple, no children | 33.9% | 45.8% | 42.9% |
| Non Family Households | 5,867 | 10,460 | 43,255,233 |
| Single householder, w/children | 18.5% | 10.1% | 15.8% |
| Single householder, no children | 10.3% | 7.2% | 10.8% |