
Rock township
- County:
- Lyon County
- County Seat:
- No
- Area (mi²):
- 35.578
- State:
- Iowa
Rock township is located in Lyon County, Iowa. Rock township has a 2025 population of 3,241. Rock 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 Rock township is $80,541 with a poverty rate of 4.65%. The median age in Rock township is 36.8 years: 30 years for males, and 38.8 years for females.