
Newcastle township
- County:
- Fulton County
- County Seat:
- No
- Area (mi²):
- 33.179
- State:
- Indiana
Newcastle township is located in Fulton County, Indiana. Newcastle township has a 2025 population of 1,366. Newcastle township is currently growing at a rate of 0.15% annually but its population has decreased by -0.07% since the most recent census, which recorded a population of 1,367 in 2020.
The average household income in Newcastle township is $74,364 with a poverty rate of 12.68%. The median age in Newcastle township is 33.5 years: 40.8 years for males, and 29.5 years for females.