| | Franklin, NE | Soda Springs, ID | United States |
| Population | 881 | 3,084 | 329,725,481 |
| Female Population | 54.1% | 49.6% | 50.5% |
| Male Population | 45.9% | 50.4% | 49.5% |
| Median Age | 46.6 | 35.6 | 38.4 |
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| Population - 2010 | 1,006 | 3,055 | 309,327,143 |
| Population - 2000 | 1,026 | 3,381 | 285,036,114 |
| Population - 1990 | 1,112 | 3,111 | 251,960,433 |
| Pop. 2000 to Now | -12.4% | -11.2% | 15.6% |
| Pop. 1990 to Now | -19.2% | -3.5% | 30.8% |
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| Population Density | 888.1 | 696.6 | 93.4 |
| Land Area | 1.0 | 4.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Franklin, NE | Soda Springs, ID | United States |
| Age 0 to 4 | 7.8% | 9.1% | 5.9% |
| Age 5 to 9 | 5.4% | 7.9% | 6.1% |
| Age 10 to 14 | 4.3% | 11.4% | 6.6% |
| Age 15 to 17 | 3.5% | 2.2% | 3.9% |
| Age 18 to 20 | 5.7% | 1.8% | 4.0% |
| Age 21 to 24 | 4.1% | 3.6% | 5.2% |
| Age 25 to 34 | 11.8% | 12.3% | 13.8% |
| Age 35 to 44 | 6.2% | 15.5% | 12.9% |
| Age 45 to 54 | 9.8% | 7.8% | 12.6% |
| Age 55 to 59 | 11.6% | 5.4% | 6.7% |
| Age 60 to 64 | 2.7% | 8.4% | 6.3% |
| Age 65 to 74 | 9.0% | 7.7% | 9.6% |
| Age 75 to 84 | 8.1% | 4.8% | 4.5% |
| Age 85 and over | 10.0% | 2.0% | 1.9% |
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| Race | | | |
| | Franklin, NE | Soda Springs, ID | United States |
| White | 94.9% | 97.0% | 59.4% |
| Black | 0.7% | 0.0% | 12.2% |
| Asian | 0.2% | 0.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.3% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.1% | 1.9% | 3.2% |
| Hispanic | 2.7% | 0.6% | 18.4% |
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| Marriage & Family | | | |
| | Franklin, NE | Soda Springs, ID | United States |
| Married Population | 58.0% | 57.2% | 49.8% |
| Currently Married | 57.4% | 56.9% | 48.0% |
| Married but Separated | 0.6% | 0.4% | 1.8% |
| Single Population | 42.0% | 42.8% | 50.2% |
| Never Married | 23.6% | 16.7% | 33.8% |
| Divorced | 10.2% | 16.6% | 10.8% |
| Widowed | 8.3% | 9.5% | 5.6% |
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| Household Size | 2.23 | 2.67 | 2.60 |
| Households | 382 | 1,128 | 124,010,992 |
| Family Households | 246 | 745 | 80,755,759 |
| Married couple, w/children | 15.9% | 38.1% | 30.5% |
| Married couple, no children | 61.8% | 43.9% | 42.9% |
| Non Family Households | 136 | 383 | 43,255,233 |
| Single householder, w/children | 16.7% | 13.8% | 15.8% |
| Single householder, no children | 5.7% | 4.2% | 10.8% |