| | Silo, OK | Hugo, OK | United States |
| Population | 490 | 5,146 | 329,725,481 |
| Female Population | 46.9% | 53.3% | 50.5% |
| Male Population | 53.1% | 46.7% | 49.5% |
| Median Age | 39.6 | 34.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 334 | 5,310 | 309,327,143 |
| Population - 2000 | 282 | 5,536 | 285,036,114 |
| Population - 1990 | 249 | 5,978 | 251,960,433 |
| Pop. 2000 to Now | 31.2% | -8.4% | 15.6% |
| Pop. 1990 to Now | 48.6% | -15.2% | 30.8% |
| space4 | | | |
| Population Density | 985.9 | 793.5 | 93.4 |
| Land Area | 0.5 | 6.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Silo, OK | Hugo, OK | United States |
| Age 0 to 4 | 6.3% | 7.5% | 5.9% |
| Age 5 to 9 | 7.6% | 6.3% | 6.1% |
| Age 10 to 14 | 13.3% | 11.0% | 6.6% |
| Age 15 to 17 | 2.0% | 4.4% | 3.9% |
| Age 18 to 20 | 2.2% | 5.7% | 4.0% |
| Age 21 to 24 | 4.9% | 4.1% | 5.2% |
| Age 25 to 34 | 10.2% | 11.8% | 13.8% |
| Age 35 to 44 | 10.2% | 11.1% | 12.9% |
| Age 45 to 54 | 10.6% | 10.2% | 12.6% |
| Age 55 to 59 | 4.9% | 5.3% | 6.7% |
| Age 60 to 64 | 1.8% | 5.3% | 6.3% |
| Age 65 to 74 | 6.5% | 9.5% | 9.6% |
| Age 75 to 84 | 17.8% | 6.4% | 4.5% |
| Age 85 and over | 1.6% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Silo, OK | Hugo, OK | United States |
| White | 62.4% | 44.6% | 59.4% |
| Black | 0.0% | 20.1% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 19.8% | 14.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 15.7% | 10.8% | 3.2% |
| Hispanic | 2.0% | 9.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Silo, OK | Hugo, OK | United States |
| Married Population | 65.5% | 39.2% | 49.8% |
| Currently Married | 63.9% | 36.0% | 48.0% |
| Married but Separated | 1.7% | 3.3% | 1.8% |
| Single Population | 34.5% | 60.8% | 50.2% |
| Never Married | 20.2% | 36.2% | 33.8% |
| Divorced | 9.5% | 14.3% | 10.8% |
| Widowed | 4.8% | 10.3% | 5.6% |
| space5 | | | |
| Household Size | 2.61 | 2.39 | 2.60 |
| Households | 188 | 2,080 | 124,010,992 |
| Family Households | 168 | 1,175 | 80,755,759 |
| Married couple, w/children | 23.8% | 19.7% | 30.5% |
| Married couple, no children | 58.9% | 32.0% | 42.9% |
| Non Family Households | 20 | 905 | 43,255,233 |
| Single householder, w/children | 11.3% | 39.1% | 15.8% |
| Single householder, no children | 6.0% | 9.3% | 10.8% |