| | San Rafael, NM | Grants, NM | United States |
| Population | 2,378 | 9,208 | 329,725,481 |
| Female Population | 56.3% | 48.6% | 50.5% |
| Male Population | 43.7% | 51.4% | 49.5% |
| Median Age | 43.3 | 33.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 395 | 9,241 | 309,327,143 |
| Population - 2000 | 878 | 8,806 | 285,036,114 |
| Population - 1990 | 857 | 8,626 | 251,960,433 |
| Pop. 2000 to Now | -1.0% | 0.3% | 15.6% |
| Pop. 1990 to Now | 1.4% | 2.4% | 30.8% |
| space4 | | | |
| Population Density | 230.5 | 617.5 | 93.4 |
| Land Area | 10.3 | 14.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | San Rafael, NM | Grants, NM | United States |
| Age 0 to 4 | 13.0% | 8.3% | 5.9% |
| Age 5 to 9 | 13.2% | 9.5% | 6.1% |
| Age 10 to 14 | 0.0% | 5.8% | 6.6% |
| Age 15 to 17 | 3.8% | 1.8% | 3.9% |
| Age 18 to 20 | 8.2% | 5.4% | 4.0% |
| Age 21 to 24 | 0.0% | 5.5% | 5.2% |
| Age 25 to 34 | 5.3% | 15.0% | 13.8% |
| Age 35 to 44 | 18.5% | 12.7% | 12.9% |
| Age 45 to 54 | 8.5% | 10.7% | 12.6% |
| Age 55 to 59 | 9.8% | 4.0% | 6.7% |
| Age 60 to 64 | 8.5% | 6.1% | 6.3% |
| Age 65 to 74 | 11.2% | 7.6% | 9.6% |
| Age 75 to 84 | 0.0% | 4.7% | 4.5% |
| Age 85 and over | 0.0% | 3.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | San Rafael, NM | Grants, NM | United States |
| White | 31.7% | 24.2% | 59.4% |
| Black | 0.0% | 1.0% | 12.2% |
| Asian | 0.0% | 0.5% | 5.6% |
| Native American | 0.6% | 14.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 0.0% | 2.0% | 3.2% |
| Hispanic | 67.7% | 57.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | San Rafael, NM | Grants, NM | United States |
| Married Population | 58.6% | 40.8% | 49.8% |
| Currently Married | 58.6% | 38.1% | 48.0% |
| Married but Separated | 0.0% | 2.7% | 1.8% |
| Single Population | 41.4% | 59.2% | 50.2% |
| Never Married | 39.4% | 36.6% | 33.8% |
| Divorced | 2.0% | 14.1% | 10.8% |
| Widowed | 0.0% | 8.5% | 5.6% |
| space5 | | | |
| Household Size | 3.90 | 2.98 | 2.60 |
| Households | 609 | 2,767 | 124,010,992 |
| Family Households | 609 | 1,754 | 80,755,759 |
| Married couple, w/children | 7.2% | 28.7% | 30.5% |
| Married couple, no children | 84.1% | 38.3% | 42.9% |
| Non Family Households | 0 | 1,013 | 43,255,233 |
| Single householder, w/children | 8.7% | 28.1% | 15.8% |
| Single householder, no children | 0.0% | 5.0% | 10.8% |