| | Richfield township, KS | Texhoma, OK | United States |
| Population | 228 | 971 | 329,725,481 |
| Female Population | 62.3% | 56.5% | 50.5% |
| Male Population | 37.7% | 43.5% | 49.5% |
| Median Age | 42.1 | 31.4 | 38.4 |
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| Population - 2010 | 184 | 933 | 309,327,143 |
| Population - 2000 | 218 | 935 | 285,036,114 |
| Population - 1990 | 269 | 746 | 251,960,433 |
| Pop. 2000 to Now | -33.0% | -3.4% | 15.6% |
| Pop. 1990 to Now | -45.7% | 21.1% | 30.8% |
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| Population Density | 0.9 | 1,551.1 | 93.4 |
| Land Area | 250.3 | 0.6 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Richfield township, KS | Texhoma, OK | United States |
| Age 0 to 4 | 0.9% | 12.8% | 5.9% |
| Age 5 to 9 | 9.6% | 5.6% | 6.1% |
| Age 10 to 14 | 12.7% | 3.7% | 6.6% |
| Age 15 to 17 | 7.5% | 2.4% | 3.9% |
| Age 18 to 20 | 12.7% | 12.4% | 4.0% |
| Age 21 to 24 | 0.4% | 4.4% | 5.2% |
| Age 25 to 34 | 0.4% | 12.7% | 13.8% |
| Age 35 to 44 | 16.7% | 7.8% | 12.9% |
| Age 45 to 54 | 7.9% | 10.4% | 12.6% |
| Age 55 to 59 | 19.3% | 6.8% | 6.7% |
| Age 60 to 64 | 0.9% | 4.6% | 6.3% |
| Age 65 to 74 | 5.7% | 7.1% | 9.6% |
| Age 75 to 84 | 4.8% | 5.1% | 4.5% |
| Age 85 and over | 0.4% | 4.2% | 1.9% |
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| Race | | | |
| | Richfield township, KS | Texhoma, OK | United States |
| White | 78.5% | 55.6% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 1.6% | 3.2% |
| Hispanic | 21.5% | 42.7% | 18.4% |
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| Marriage & Family | | | |
| | Richfield township, KS | Texhoma, OK | United States |
| Married Population | 66.3% | 52.7% | 49.8% |
| Currently Married | 66.3% | 52.2% | 48.0% |
| Married but Separated | 0.0% | 0.5% | 1.8% |
| Single Population | 33.7% | 47.3% | 50.2% |
| Never Married | 28.6% | 35.1% | 33.8% |
| Divorced | 3.4% | 4.6% | 10.8% |
| Widowed | 1.7% | 7.5% | 5.6% |
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| Household Size | 3.40 | 3.15 | 2.60 |
| Households | 67 | 308 | 124,010,992 |
| Family Households | 59 | 199 | 80,755,759 |
| Married couple, w/children | 59.3% | 29.6% | 30.5% |
| Married couple, no children | 37.3% | 57.8% | 42.9% |
| Non Family Households | 8 | 109 | 43,255,233 |
| Single householder, w/children | 0.0% | 7.0% | 15.8% |
| Single householder, no children | 3.4% | 5.5% | 10.8% |