
Etna township
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 35.103
- State:
- Iowa
Etna township is located in Hardin County, Iowa. Etna township has a 2025 population of 1,901. Etna township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Etna township is $74,442 with a poverty rate of 14.96%. The median age in Etna township is 41.9 years: 41.8 years for males, and 42.1 years for females.