| | Richmond, MN | Mora, MN | United States |
| Population | 1,306 | 3,569 | 329,725,481 |
| Female Population | 49.6% | 50.8% | 50.5% |
| Male Population | 50.4% | 49.2% | 49.5% |
| Median Age | 36.8 | 40 | 38.4 |
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| Population - 2010 | 1,415 | 3,553 | 309,327,143 |
| Population - 2000 | 1,213 | 3,193 | 285,036,114 |
| Population - 1990 | 965 | 2,905 | 251,960,433 |
| Pop. 2000 to Now | 21.9% | 12.2% | 15.6% |
| Pop. 1990 to Now | 53.2% | 23.3% | 30.8% |
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| Population Density | 1,245.0 | 695.7 | 93.4 |
| Land Area | 1.0 | 5.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Richmond, MN | Mora, MN | United States |
| Age 0 to 4 | 6.2% | 5.7% | 5.9% |
| Age 5 to 9 | 7.9% | 8.2% | 6.1% |
| Age 10 to 14 | 6.4% | 3.9% | 6.6% |
| Age 15 to 17 | 3.2% | 2.6% | 3.9% |
| Age 18 to 20 | 5.1% | 5.8% | 4.0% |
| Age 21 to 24 | 4.5% | 5.1% | 5.2% |
| Age 25 to 34 | 14.5% | 11.3% | 13.8% |
| Age 35 to 44 | 11.6% | 13.0% | 12.9% |
| Age 45 to 54 | 9.1% | 10.1% | 12.6% |
| Age 55 to 59 | 6.7% | 4.7% | 6.7% |
| Age 60 to 64 | 4.7% | 4.7% | 6.3% |
| Age 65 to 74 | 11.2% | 10.7% | 9.6% |
| Age 75 to 84 | 3.6% | 8.9% | 4.5% |
| Age 85 and over | 5.2% | 5.2% | 1.9% |
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| Race | | | |
| | Richmond, MN | Mora, MN | United States |
| White | 92.0% | 93.1% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.5% | 0.7% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 4.0% | 3.2% |
| Hispanic | 7.5% | 1.8% | 18.4% |
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| Marriage & Family | | | |
| | Richmond, MN | Mora, MN | United States |
| Married Population | 48.7% | 40.1% | 49.8% |
| Currently Married | 47.4% | 38.9% | 48.0% |
| Married but Separated | 1.3% | 1.2% | 1.8% |
| Single Population | 51.3% | 59.9% | 50.2% |
| Never Married | 31.9% | 32.0% | 33.8% |
| Divorced | 10.3% | 15.5% | 10.8% |
| Widowed | 9.2% | 12.4% | 5.6% |
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| Household Size | 2.35 | 2.27 | 2.60 |
| Households | 551 | 1,481 | 124,010,992 |
| Family Households | 341 | 839 | 80,755,759 |
| Married couple, w/children | 28.2% | 24.0% | 30.5% |
| Married couple, no children | 39.0% | 39.1% | 42.9% |
| Non Family Households | 210 | 642 | 43,255,233 |
| Single householder, w/children | 21.1% | 23.1% | 15.8% |
| Single householder, no children | 11.7% | 13.8% | 10.8% |