
Waterloo township
- County:
- DeKalb County
- County Seat:
- No
- Area (mi²):
- 17.149
- State:
- Indiana
Waterloo township is located in DeKalb County, Indiana. Waterloo township has a 2025 population of 526. Waterloo township is currently declining at a rate of -0.19% annually and its population has decreased by -0.19% since the most recent census, which recorded a population of 527 in 2020.
The average household income in Waterloo township is $84,780 with a poverty rate of 4.95%. The median age in Waterloo township is 33.4 years: 26 years for males, and 43.6 years for females.