| | Argos, IN | Auburn, IN | United States |
| Population | 1,742 | 13,281 | 329,725,481 |
| Female Population | 50.5% | 50.4% | 50.5% |
| Male Population | 49.5% | 49.6% | 49.5% |
| Median Age | 37 | 36.2 | 38.4 |
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| Population - 2010 | 1,687 | 12,820 | 309,327,143 |
| Population - 2000 | 1,613 | 12,074 | 285,036,114 |
| Population - 1990 | 1,642 | 9,379 | 251,960,433 |
| Pop. 2000 to Now | 0.4% | 12.8% | 15.6% |
| Pop. 1990 to Now | -1.4% | 45.2% | 30.8% |
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| Population Density | 1,354.6 | 1,736.1 | 93.4 |
| Land Area | 1.3 | 7.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Argos, IN | Auburn, IN | United States |
| Age 0 to 4 | 5.6% | 5.7% | 5.9% |
| Age 5 to 9 | 7.9% | 7.7% | 6.1% |
| Age 10 to 14 | 8.9% | 7.1% | 6.6% |
| Age 15 to 17 | 3.2% | 5.5% | 3.9% |
| Age 18 to 20 | 3.0% | 3.6% | 4.0% |
| Age 21 to 24 | 3.6% | 4.6% | 5.2% |
| Age 25 to 34 | 15.2% | 12.3% | 13.8% |
| Age 35 to 44 | 12.7% | 14.5% | 12.9% |
| Age 45 to 54 | 14.8% | 12.2% | 12.6% |
| Age 55 to 59 | 5.1% | 6.4% | 6.7% |
| Age 60 to 64 | 4.0% | 5.2% | 6.3% |
| Age 65 to 74 | 11.9% | 9.1% | 9.6% |
| Age 75 to 84 | 3.2% | 4.2% | 4.5% |
| Age 85 and over | 1.0% | 2.0% | 1.9% |
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| Race | | | |
| | Argos, IN | Auburn, IN | United States |
| White | 95.8% | 96.4% | 59.4% |
| Black | 0.4% | 0.1% | 12.2% |
| Asian | 0.0% | 0.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 1.8% | 1.5% | 3.2% |
| Hispanic | 1.8% | 1.7% | 18.4% |
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| Marriage & Family | | | |
| | Argos, IN | Auburn, IN | United States |
| Married Population | 46.5% | 49.1% | 49.8% |
| Currently Married | 45.2% | 48.6% | 48.0% |
| Married but Separated | 1.3% | 0.5% | 1.8% |
| Single Population | 53.5% | 50.9% | 50.2% |
| Never Married | 29.0% | 27.1% | 33.8% |
| Divorced | 19.6% | 17.3% | 10.8% |
| Widowed | 5.0% | 6.5% | 5.6% |
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| Household Size | 2.71 | 2.35 | 2.60 |
| Households | 643 | 5,576 | 124,010,992 |
| Family Households | 440 | 3,458 | 80,755,759 |
| Married couple, w/children | 34.1% | 36.8% | 30.5% |
| Married couple, no children | 39.3% | 36.1% | 42.9% |
| Non Family Households | 203 | 2,118 | 43,255,233 |
| Single householder, w/children | 11.8% | 19.8% | 15.8% |
| Single householder, no children | 14.8% | 7.2% | 10.8% |