| | Placitas (Sandoval County), NM | Las Cruces, NM | United States |
| Population | 3,863 | 109,934 | 329,725,481 |
| Female Population | 48.2% | 50.6% | 50.5% |
| Male Population | 51.8% | 49.4% | 49.5% |
| Median Age | 62.6 | 32.7 | 38.4 |
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| Population - 2010 | 4,911 | 98,278 | 309,327,143 |
| Population - 2000 | 3,452 | 74,267 | 285,036,114 |
| Population - 1990 | 1,611 | 62,126 | 251,960,433 |
| Pop. 2000 to Now | 46.2% | 41.5% | 15.6% |
| Pop. 1990 to Now | 213.2% | 69.2% | 30.8% |
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| Population Density | 130.0 | 1,428.9 | 93.4 |
| Land Area | 29.7 | 76.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Placitas (Sandoval County), NM | Las Cruces, NM | United States |
| Age 0 to 4 | 1.7% | 6.3% | 5.9% |
| Age 5 to 9 | 0.7% | 6.6% | 6.1% |
| Age 10 to 14 | 2.2% | 7.0% | 6.6% |
| Age 15 to 17 | 2.3% | 3.8% | 3.9% |
| Age 18 to 20 | 0.0% | 4.6% | 4.0% |
| Age 21 to 24 | 1.0% | 10.1% | 5.2% |
| Age 25 to 34 | 4.0% | 14.9% | 13.8% |
| Age 35 to 44 | 9.2% | 11.8% | 12.9% |
| Age 45 to 54 | 12.1% | 9.8% | 12.6% |
| Age 55 to 59 | 9.6% | 5.4% | 6.7% |
| Age 60 to 64 | 14.5% | 4.7% | 6.3% |
| Age 65 to 74 | 32.0% | 8.9% | 9.6% |
| Age 75 to 84 | 9.3% | 4.1% | 4.5% |
| Age 85 and over | 1.3% | 2.1% | 1.9% |
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| Race | | | |
| | Placitas (Sandoval County), NM | Las Cruces, NM | United States |
| White | 76.7% | 31.6% | 59.4% |
| Black | 0.0% | 2.4% | 12.2% |
| Asian | 1.5% | 1.6% | 5.6% |
| Native American | 3.9% | 1.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 2.3% | 1.4% | 3.2% |
| Hispanic | 15.6% | 61.8% | 18.4% |
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| Marriage & Family | | | |
| | Placitas (Sandoval County), NM | Las Cruces, NM | United States |
| Married Population | 68.0% | 41.1% | 49.8% |
| Currently Married | 67.7% | 39.4% | 48.0% |
| Married but Separated | 0.4% | 1.7% | 1.8% |
| Single Population | 32.0% | 58.9% | 50.2% |
| Never Married | 15.8% | 41.9% | 33.8% |
| Divorced | 13.3% | 12.4% | 10.8% |
| Widowed | 2.9% | 4.7% | 5.6% |
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| Household Size | 2.02 | 2.46 | 2.60 |
| Households | 1,909 | 43,995 | 124,010,992 |
| Family Households | 1,231 | 25,683 | 80,755,759 |
| Married couple, w/children | 10.5% | 26.5% | 30.5% |
| Married couple, no children | 89.5% | 37.3% | 42.9% |
| Non Family Households | 678 | 18,312 | 43,255,233 |
| Single householder, w/children | 0.0% | 23.0% | 15.8% |
| Single householder, no children | 0.0% | 13.3% | 10.8% |