Parish Grove township
- County:
- Benton County
- County Seat:
- No
- Area (mi²):
- 45.423
- State:
- Indiana
Parish Grove township is located in Benton County, Indiana. Parish Grove township has a 2026 population of 199. Parish Grove township is currently declining at a rate of 0% annually and its population has increased by 1.02% since the most recent census, which recorded a population of 197 in 2020.
The median household income in Parish Grove township is $76,065 with a poverty rate of 18.52%. The median age in Parish Grove township is 33.6 years: 33.9 years for males, and 29.7 years for females. For every 100 females there are 100.0 males.