
Smithfield township
- County:
- DeKalb County
- County Seat:
- No
- Area (mi²):
- 34.993
- State:
- Indiana
Smithfield township is located in DeKalb County, Indiana. Smithfield township has a 2025 population of 1,772. Smithfield township is currently growing at a rate of 0.8% annually and its population has increased by 3.32% since the most recent census, which recorded a population of 1,715 in 2020.
The average household income in Smithfield township is $104,095 with a poverty rate of 16.27%. The median age in Smithfield township is 38.4 years: 38.7 years for males, and 37.8 years for females.