Union township is located in Hardin County, Iowa Iowa. Unfortunately, the data for this location is currently limited or unavailable.
The median age in Union township is 63.2 years: 63.7 years for males, and 61.5 years for females. For every 100 females there are 186.1 males.
The racial composition of Union township includes 95.15% White, 4.85% Native Hawaiian or Pacific Islander, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 98 | 95.15% |
| Native Hawaiian or Pacific Islander | 5 | 4.85% |