Jefferson township is located in Greene County, Iowa Iowa. Unfortunately, the data for this location is currently limited or unavailable.
The median age in Jefferson township is 59.7 years: 60.5 years for males, and 59.3 years for females. For every 100 females there are 183.3 males.
The racial composition of Jefferson township includes 85.71% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 102 | 85.71% |
| Two or more races | 17 | 14.29% |