| | Richland, MI | Augusta, MI | United States |
| Population | 960 | 861 | 329,725,481 |
| Female Population | 54.0% | 55.3% | 50.5% |
| Male Population | 46.0% | 44.7% | 49.5% |
| Median Age | 40.9 | 34 | 38.4 |
| space3 | | | |
| Population - 2010 | 744 | 886 | 309,327,143 |
| Population - 2000 | 593 | 899 | 285,036,114 |
| Population - 1990 | 465 | 927 | 251,960,433 |
| Pop. 2000 to Now | 42.8% | -0.3% | 15.6% |
| Pop. 1990 to Now | 82.2% | -3.3% | 30.8% |
| space4 | | | |
| Population Density | 945.8 | 838.4 | 93.4 |
| Land Area | 1.0 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Richland, MI | Augusta, MI | United States |
| Age 0 to 4 | 4.2% | 8.0% | 5.9% |
| Age 5 to 9 | 1.6% | 6.4% | 6.1% |
| Age 10 to 14 | 9.1% | 10.1% | 6.6% |
| Age 15 to 17 | 7.4% | 3.9% | 3.9% |
| Age 18 to 20 | 5.6% | 3.3% | 4.0% |
| Age 21 to 24 | 5.4% | 4.8% | 5.2% |
| Age 25 to 34 | 8.4% | 17.0% | 13.8% |
| Age 35 to 44 | 12.6% | 12.0% | 12.9% |
| Age 45 to 54 | 10.3% | 15.9% | 12.6% |
| Age 55 to 59 | 4.5% | 7.4% | 6.7% |
| Age 60 to 64 | 4.2% | 5.7% | 6.3% |
| Age 65 to 74 | 11.9% | 3.6% | 9.6% |
| Age 75 to 84 | 9.3% | 1.6% | 4.5% |
| Age 85 and over | 5.6% | 0.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Richland, MI | Augusta, MI | United States |
| White | 97.5% | 91.1% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.4% | 0.0% | 5.6% |
| Native American | 0.1% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.5% | 0.8% | 3.2% |
| Hispanic | 1.5% | 7.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Richland, MI | Augusta, MI | United States |
| Married Population | 52.6% | 52.9% | 49.8% |
| Currently Married | 52.6% | 51.1% | 48.0% |
| Married but Separated | 0.0% | 1.8% | 1.8% |
| Single Population | 47.4% | 47.1% | 50.2% |
| Never Married | 30.0% | 28.8% | 33.8% |
| Divorced | 10.5% | 14.2% | 10.8% |
| Widowed | 7.0% | 4.2% | 5.6% |
| space5 | | | |
| Household Size | 2.41 | 2.68 | 2.60 |
| Households | 399 | 321 | 124,010,992 |
| Family Households | 274 | 221 | 80,755,759 |
| Married couple, w/children | 25.2% | 38.5% | 30.5% |
| Married couple, no children | 52.9% | 34.8% | 42.9% |
| Non Family Households | 125 | 100 | 43,255,233 |
| Single householder, w/children | 15.7% | 21.3% | 15.8% |
| Single householder, no children | 6.2% | 5.4% | 10.8% |