| | Arlington, SD | Volga, SD | United States |
| Population | 942 | 2,146 | 329,725,481 |
| Female Population | 53.4% | 49.2% | 50.5% |
| Male Population | 46.6% | 50.8% | 49.5% |
| Median Age | 35.7 | 29.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 914 | 1,778 | 309,327,143 |
| Population - 2000 | 992 | 1,435 | 285,036,114 |
| Population - 1990 | 908 | 1,263 | 251,960,433 |
| Pop. 2000 to Now | -12.1% | 45.0% | 15.6% |
| Pop. 1990 to Now | -4.0% | 64.7% | 30.8% |
| space4 | | | |
| Population Density | 548.3 | 2,249.5 | 93.4 |
| Land Area | 1.7 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Arlington, SD | Volga, SD | United States |
| Age 0 to 4 | 12.0% | 8.1% | 5.9% |
| Age 5 to 9 | 6.3% | 9.0% | 6.1% |
| Age 10 to 14 | 7.0% | 4.1% | 6.6% |
| Age 15 to 17 | 1.1% | 3.8% | 3.9% |
| Age 18 to 20 | 1.0% | 2.0% | 4.0% |
| Age 21 to 24 | 3.6% | 9.0% | 5.2% |
| Age 25 to 34 | 17.3% | 22.3% | 13.8% |
| Age 35 to 44 | 9.6% | 12.2% | 12.9% |
| Age 45 to 54 | 9.1% | 7.3% | 12.6% |
| Age 55 to 59 | 6.7% | 3.7% | 6.7% |
| Age 60 to 64 | 5.9% | 5.2% | 6.3% |
| Age 65 to 74 | 14.0% | 8.8% | 9.6% |
| Age 75 to 84 | 4.0% | 4.0% | 4.5% |
| Age 85 and over | 2.4% | 0.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Arlington, SD | Volga, SD | United States |
| White | 99.2% | 97.3% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 1.3% | 5.6% |
| Native American | 0.3% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 0.0% | 3.2% |
| Hispanic | 0.5% | 1.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Arlington, SD | Volga, SD | United States |
| Married Population | 62.1% | 50.0% | 49.8% |
| Currently Married | 60.4% | 49.7% | 48.0% |
| Married but Separated | 1.7% | 0.3% | 1.8% |
| Single Population | 37.9% | 50.0% | 50.2% |
| Never Married | 18.2% | 37.5% | 33.8% |
| Divorced | 13.1% | 8.6% | 10.8% |
| Widowed | 6.7% | 3.8% | 5.6% |
| space5 | | | |
| Household Size | 2.38 | 2.29 | 2.60 |
| Households | 381 | 937 | 124,010,992 |
| Family Households | 234 | 485 | 80,755,759 |
| Married couple, w/children | 35.9% | 28.7% | 30.5% |
| Married couple, no children | 47.4% | 49.5% | 42.9% |
| Non Family Households | 147 | 452 | 43,255,233 |
| Single householder, w/children | 12.8% | 16.5% | 15.8% |
| Single householder, no children | 3.8% | 5.4% | 10.8% |