
Marengo
- County:
- Crawford County
- County Seat:
- No
- Area (mi²):
- 1.066
- State:
- Indiana
Marengo is a town located in Crawford County, Indiana. Marengo has a 2025 population of 808. Marengo is currently declining at a rate of -0.37% annually and its population has decreased by -2.06% since the most recent census, which recorded a population of 825 in 2020.
The average household income in Marengo is $58,581 with a poverty rate of 22.11%. The median age in Marengo is 32.7 years: 31.6 years for males, and 35 years for females.