Prairie Island township
- County:
- Merrick County
- County Seat:
- No
- Area (mi²):
- 12.198
- State:
- Nebraska
Prairie Island township is located in Merrick County, Nebraska. Prairie Island township has a 2026 population of 83. Prairie Island township is currently declining at a rate of 0% annually and its population has increased by 1.22% since the most recent census, which recorded a population of 82 in 2020.
The median age in Prairie Island township is 55 years: 55.4 years for males, and 54.4 years for females. For every 100 females there are 103.6 males.