| | New Castle township (Schuylkill County), PA | Caddo, OK | United States |
| Population | 450 | 1,094 | 329,725,481 |
| Female Population | 45.8% | 48.2% | 50.5% |
| Male Population | 54.2% | 51.8% | 49.5% |
| Median Age | 38.9 | 39.1 | 38.4 |
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| Population - 2010 | 410 | 1,012 | 309,327,143 |
| Population - 2000 | 395 | 944 | 285,036,114 |
| Population - 1990 | 567 | 918 | 251,960,433 |
| Pop. 2000 to Now | -3.3% | 18.0% | 15.6% |
| Pop. 1990 to Now | -32.6% | 21.4% | 30.8% |
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| Population Density | 36.7 | 429.4 | 93.4 |
| Land Area | 12.3 | 2.5 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | New Castle township (Schuylkill County), PA | Caddo, OK | United States |
| Age 0 to 4 | 2.9% | 3.0% | 5.9% |
| Age 5 to 9 | 5.6% | 3.0% | 6.1% |
| Age 10 to 14 | 6.9% | 6.7% | 6.6% |
| Age 15 to 17 | 1.6% | 12.0% | 3.9% |
| Age 18 to 20 | 3.8% | 6.8% | 4.0% |
| Age 21 to 24 | 5.1% | 2.9% | 5.2% |
| Age 25 to 34 | 13.1% | 9.0% | 13.8% |
| Age 35 to 44 | 16.4% | 13.3% | 12.9% |
| Age 45 to 54 | 10.9% | 16.6% | 12.6% |
| Age 55 to 59 | 6.2% | 4.5% | 6.7% |
| Age 60 to 64 | 8.7% | 5.2% | 6.3% |
| Age 65 to 74 | 12.4% | 9.0% | 9.6% |
| Age 75 to 84 | 4.0% | 6.5% | 4.5% |
| Age 85 and over | 2.4% | 1.6% | 1.9% |
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| Race | | | |
| | New Castle township (Schuylkill County), PA | Caddo, OK | United States |
| White | 99.3% | 74.7% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 13.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.2% | 10.1% | 3.2% |
| Hispanic | 0.2% | 1.7% | 18.4% |
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| Marriage & Family | | | |
| | New Castle township (Schuylkill County), PA | Caddo, OK | United States |
| Married Population | 37.3% | 48.8% | 49.8% |
| Currently Married | 34.9% | 46.7% | 48.0% |
| Married but Separated | 2.4% | 2.1% | 1.8% |
| Single Population | 62.7% | 51.2% | 50.2% |
| Never Married | 39.9% | 32.9% | 33.8% |
| Divorced | 13.1% | 9.6% | 10.8% |
| Widowed | 9.7% | 8.7% | 5.6% |
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| Household Size | 2.50 | 2.59 | 2.60 |
| Households | 180 | 421 | 124,010,992 |
| Family Households | 106 | 299 | 80,755,759 |
| Married couple, w/children | 16.0% | 25.8% | 30.5% |
| Married couple, no children | 42.5% | 49.8% | 42.9% |
| Non Family Households | 74 | 122 | 43,255,233 |
| Single householder, w/children | 21.7% | 14.0% | 15.8% |
| Single householder, no children | 19.8% | 10.4% | 10.8% |