| | Britton, SD | Lisbon, ND | United States |
| Population | 1,096 | 2,109 | 329,725,481 |
| Female Population | 52.6% | 48.2% | 50.5% |
| Male Population | 47.5% | 51.8% | 49.5% |
| Median Age | 38.4 | 41.4 | 38.4 |
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| Population - 2010 | 1,239 | 2,147 | 309,327,143 |
| Population - 2000 | 1,328 | 2,292 | 285,036,114 |
| Population - 1990 | 1,394 | 2,177 | 251,960,433 |
| Pop. 2000 to Now | -5.4% | -12.1% | 15.6% |
| Pop. 1990 to Now | -9.9% | -7.4% | 30.8% |
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| Population Density | 1,505.5 | 919.8 | 93.4 |
| Land Area | 0.7 | 2.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Britton, SD | Lisbon, ND | United States |
| Age 0 to 4 | 6.8% | 5.3% | 5.9% |
| Age 5 to 9 | 6.0% | 9.2% | 6.1% |
| Age 10 to 14 | 6.2% | 7.0% | 6.6% |
| Age 15 to 17 | 3.7% | 4.0% | 3.9% |
| Age 18 to 20 | 5.0% | 4.2% | 4.0% |
| Age 21 to 24 | 3.2% | 1.6% | 5.2% |
| Age 25 to 34 | 16.3% | 11.8% | 13.8% |
| Age 35 to 44 | 11.1% | 10.5% | 12.9% |
| Age 45 to 54 | 7.8% | 8.7% | 12.6% |
| Age 55 to 59 | 5.2% | 9.1% | 6.7% |
| Age 60 to 64 | 9.5% | 6.5% | 6.3% |
| Age 65 to 74 | 7.8% | 10.9% | 9.6% |
| Age 75 to 84 | 6.2% | 4.9% | 4.5% |
| Age 85 and over | 5.0% | 6.4% | 1.9% |
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| Race | | | |
| | Britton, SD | Lisbon, ND | United States |
| White | 89.2% | 88.6% | 59.4% |
| Black | 0.4% | 1.7% | 12.2% |
| Asian | 0.0% | 1.1% | 5.6% |
| Native American | 0.8% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.1% | 8.4% | 3.2% |
| Hispanic | 6.5% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Britton, SD | Lisbon, ND | United States |
| Married Population | 57.9% | 49.3% | 49.8% |
| Currently Married | 57.9% | 47.8% | 48.0% |
| Married but Separated | 0.0% | 1.4% | 1.8% |
| Single Population | 42.1% | 50.7% | 50.2% |
| Never Married | 20.9% | 26.4% | 33.8% |
| Divorced | 9.5% | 15.6% | 10.8% |
| Widowed | 11.7% | 8.6% | 5.6% |
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| Household Size | 2.33 | 2.30 | 2.60 |
| Households | 449 | 877 | 124,010,992 |
| Family Households | 255 | 484 | 80,755,759 |
| Married couple, w/children | 33.7% | 34.5% | 30.5% |
| Married couple, no children | 57.3% | 44.6% | 42.9% |
| Non Family Households | 194 | 393 | 43,255,233 |
| Single householder, w/children | 9.0% | 17.6% | 15.8% |
| Single householder, no children | 0.0% | 3.3% | 10.8% |