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