| | Juneau, WI | Elgin, TX | United States |
| Population | 2,702 | 9,488 | 329,725,481 |
| Female Population | 50.3% | 53.3% | 50.5% |
| Male Population | 49.7% | 46.7% | 49.5% |
| Median Age | 42.4 | 35.8 | 38.4 |
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| Population - 2010 | 2,815 | 8,294 | 309,327,143 |
| Population - 2000 | 2,485 | 5,700 | 285,036,114 |
| Population - 1990 | 2,157 | 4,846 | 251,960,433 |
| Pop. 2000 to Now | 1.9% | 88.7% | 15.6% |
| Pop. 1990 to Now | 17.4% | 122.0% | 30.8% |
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| Population Density | 1,638.6 | 1,517.8 | 93.4 |
| Land Area | 1.6 | 6.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Juneau, WI | Elgin, TX | United States |
| Age 0 to 4 | 2.8% | 6.5% | 5.9% |
| Age 5 to 9 | 2.8% | 7.8% | 6.1% |
| Age 10 to 14 | 5.1% | 7.8% | 6.6% |
| Age 15 to 17 | 6.3% | 3.5% | 3.9% |
| Age 18 to 20 | 6.4% | 1.7% | 4.0% |
| Age 21 to 24 | 4.0% | 7.4% | 5.2% |
| Age 25 to 34 | 12.4% | 14.2% | 13.8% |
| Age 35 to 44 | 13.1% | 11.9% | 12.9% |
| Age 45 to 54 | 15.1% | 14.4% | 12.6% |
| Age 55 to 59 | 9.3% | 7.4% | 6.7% |
| Age 60 to 64 | 6.0% | 6.8% | 6.3% |
| Age 65 to 74 | 6.2% | 8.3% | 9.6% |
| Age 75 to 84 | 6.1% | 1.5% | 4.5% |
| Age 85 and over | 4.4% | 0.8% | 1.9% |
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| Race | | | |
| | Juneau, WI | Elgin, TX | United States |
| White | 88.7% | 33.4% | 59.4% |
| Black | 4.4% | 23.6% | 12.2% |
| Asian | 0.0% | 1.0% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.9% | 0.8% | 3.2% |
| Hispanic | 4.4% | 41.2% | 18.4% |
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| Marriage & Family | | | |
| | Juneau, WI | Elgin, TX | United States |
| Married Population | 37.8% | 41.6% | 49.8% |
| Currently Married | 36.7% | 40.6% | 48.0% |
| Married but Separated | 1.1% | 1.1% | 1.8% |
| Single Population | 62.2% | 58.4% | 50.2% |
| Never Married | 37.6% | 38.6% | 33.8% |
| Divorced | 16.0% | 16.6% | 10.8% |
| Widowed | 8.5% | 3.1% | 5.6% |
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| Household Size | 2.76 | 2.91 | 2.60 |
| Households | 834 | 3,209 | 124,010,992 |
| Family Households | 523 | 2,285 | 80,755,759 |
| Married couple, w/children | 31.7% | 22.4% | 30.5% |
| Married couple, no children | 44.7% | 36.3% | 42.9% |
| Non Family Households | 311 | 924 | 43,255,233 |
| Single householder, w/children | 15.5% | 27.6% | 15.8% |
| Single householder, no children | 8.0% | 13.7% | 10.8% |