
Catawba Island township
- County:
- Ottawa County
- County Seat:
- No
- Area (mi²):
- 5.604
- State:
- Ohio
Catawba Island township is located in Ottawa County, Ohio. Catawba Island township has a 2025 population of 3,641. Catawba Island township is currently declining at a rate of -0.38% annually and its population has decreased by -1.75% since the most recent census, which recorded a population of 3,706 in 2020.
The average household income in Catawba Island township is $138,170 with a poverty rate of 6.59%. The median age in Catawba Island township is 64.2 years: 63.6 years for males, and 64.8 years for females.