Keystone, South Dakota — Population by Sex
Population by Sex
Breakdown of the population of Keystone, South Dakota by sex and age group. Sourced from the U.S. Census Bureau's American Community Survey.
Population Under 18
| Sex | Percent |
|---|---|
| Male | 43.0% |
| Female | 57.0% |
Population 18-34
| Sex | Percent |
|---|---|
| Male | 31.9% |
| Female | 68.1% |
Population 35-49
| Sex | Percent |
|---|---|
| Male | 44.6% |
| Female | 55.4% |
Population 50-64
| Sex | Percent |
|---|---|
| Male | 50.6% |
| Female | 49.4% |
Population 65-79
| Sex | Percent |
|---|---|
| Male | 64.9% |
| Female | 35.1% |
Population 80 and Over
| Sex | Percent |
|---|---|
| Male | 41.7% |
| Female | 58.3% |