| | Gonzales, LA | Othello, WA | United States |
| Population | 12,080 | 8,470 | 329,725,481 |
| Female Population | 53.3% | 50.3% | 50.5% |
| Male Population | 46.7% | 49.7% | 49.5% |
| Median Age | 39.4 | 25.1 | 38.4 |
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| Population - 2010 | 9,818 | 7,364 | 309,327,143 |
| Population - 2000 | 8,156 | 5,847 | 285,036,114 |
| Population - 1990 | 7,003 | 4,638 | 251,960,433 |
| Pop. 2000 to Now | 37.9% | 44.6% | 15.6% |
| Pop. 1990 to Now | 60.6% | 82.3% | 30.8% |
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| Population Density | 1,321.7 | 2,131.4 | 93.4 |
| Land Area | 9.1 | 4.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Gonzales, LA | Othello, WA | United States |
| Age 0 to 4 | 4.3% | 12.6% | 5.9% |
| Age 5 to 9 | 6.4% | 10.9% | 6.1% |
| Age 10 to 14 | 5.2% | 11.9% | 6.6% |
| Age 15 to 17 | 6.6% | 4.3% | 3.9% |
| Age 18 to 20 | 2.8% | 4.1% | 4.0% |
| Age 21 to 24 | 4.7% | 6.0% | 5.2% |
| Age 25 to 34 | 15.5% | 14.0% | 13.8% |
| Age 35 to 44 | 12.8% | 12.2% | 12.9% |
| Age 45 to 54 | 8.4% | 9.7% | 12.6% |
| Age 55 to 59 | 12.8% | 3.6% | 6.7% |
| Age 60 to 64 | 4.4% | 2.6% | 6.3% |
| Age 65 to 74 | 9.3% | 4.2% | 9.6% |
| Age 75 to 84 | 5.1% | 3.4% | 4.5% |
| Age 85 and over | 1.7% | 0.6% | 1.9% |
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| Race | | | |
| | Gonzales, LA | Othello, WA | United States |
| White | 40.7% | 21.9% | 59.4% |
| Black | 48.4% | 0.1% | 12.2% |
| Asian | 1.7% | 1.4% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 0.5% | 0.8% | 3.2% |
| Hispanic | 8.5% | 75.6% | 18.4% |
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| Marriage & Family | | | |
| | Gonzales, LA | Othello, WA | United States |
| Married Population | 41.6% | 49.7% | 49.8% |
| Currently Married | 40.0% | 46.2% | 48.0% |
| Married but Separated | 1.7% | 3.5% | 1.8% |
| Single Population | 58.4% | 50.3% | 50.2% |
| Never Married | 35.6% | 35.6% | 33.8% |
| Divorced | 16.8% | 12.2% | 10.8% |
| Widowed | 6.0% | 2.6% | 5.6% |
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| Household Size | 2.33 | 3.45 | 2.60 |
| Households | 5,083 | 2,429 | 124,010,992 |
| Family Households | 3,333 | 1,945 | 80,755,759 |
| Married couple, w/children | 17.8% | 33.6% | 30.5% |
| Married couple, no children | 40.2% | 24.5% | 42.9% |
| Non Family Households | 1,750 | 484 | 43,255,233 |
| Single householder, w/children | 30.9% | 29.8% | 15.8% |
| Single householder, no children | 11.1% | 12.1% | 10.8% |