| | Ripon, WI | Ripon, CA | United States |
| Population | 7,784 | 15,961 | 329,725,481 |
| Female Population | 53.9% | 48.9% | 50.5% |
| Male Population | 46.1% | 51.1% | 49.5% |
| Median Age | 41.2 | 40 | 38.4 |
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| Population - 2010 | 7,732 | 14,439 | 309,327,143 |
| Population - 2000 | 6,828 | 10,146 | 285,036,114 |
| Population - 1990 | 7,241 | 7,455 | 251,960,433 |
| Pop. 2000 to Now | 14.9% | 65.3% | 15.6% |
| Pop. 1990 to Now | 8.3% | 125.0% | 30.8% |
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| Population Density | 1,564.6 | 3,032.1 | 93.4 |
| Land Area | 5.0 | 5.3 | 3,531,905.4 |
| Water Area | 0.1 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ripon, WI | Ripon, CA | United States |
| Age 0 to 4 | 4.0% | 6.5% | 5.9% |
| Age 5 to 9 | 4.2% | 7.0% | 6.1% |
| Age 10 to 14 | 6.4% | 7.2% | 6.6% |
| Age 15 to 17 | 6.2% | 3.9% | 3.9% |
| Age 18 to 20 | 8.1% | 3.3% | 4.0% |
| Age 21 to 24 | 4.7% | 3.9% | 5.2% |
| Age 25 to 34 | 8.8% | 11.8% | 13.8% |
| Age 35 to 44 | 11.4% | 14.6% | 12.9% |
| Age 45 to 54 | 9.6% | 11.4% | 12.6% |
| Age 55 to 59 | 8.2% | 8.6% | 6.7% |
| Age 60 to 64 | 6.1% | 6.0% | 6.3% |
| Age 65 to 74 | 12.7% | 9.2% | 9.6% |
| Age 75 to 84 | 4.4% | 3.3% | 4.5% |
| Age 85 and over | 5.3% | 3.5% | 1.9% |
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| Race | | | |
| | Ripon, WI | Ripon, CA | United States |
| White | 91.3% | 63.7% | 59.4% |
| Black | 0.7% | 1.0% | 12.2% |
| Asian | 0.6% | 4.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.2% | 0.5% | 0.4% |
| Two or More Races | 1.1% | 5.4% | 3.2% |
| Hispanic | 5.0% | 25.0% | 18.4% |
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| Marriage & Family | | | |
| | Ripon, WI | Ripon, CA | United States |
| Married Population | 40.4% | 59.3% | 49.8% |
| Currently Married | 39.0% | 58.7% | 48.0% |
| Married but Separated | 1.5% | 0.6% | 1.8% |
| Single Population | 59.6% | 40.7% | 50.2% |
| Never Married | 33.9% | 27.7% | 33.8% |
| Divorced | 17.2% | 6.4% | 10.8% |
| Widowed | 8.5% | 6.7% | 5.6% |
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| Household Size | 2.11 | 2.84 | 2.60 |
| Households | 3,298 | 5,585 | 124,010,992 |
| Family Households | 1,677 | 4,394 | 80,755,759 |
| Married couple, w/children | 34.8% | 32.2% | 30.5% |
| Married couple, no children | 41.1% | 49.9% | 42.9% |
| Non Family Households | 1,621 | 1,191 | 43,255,233 |
| Single householder, w/children | 14.1% | 9.1% | 15.8% |
| Single householder, no children | 10.0% | 8.7% | 10.8% |