Marengo is located in Ohio. Marengo, Ohio has a population of 483. Marengo is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 29%.
The median household income in Marengo, Ohio is $59,734. The median household income for the surrounding county is $62,103 compared to the national median of $66,222. The median age of people living in Marengo is 44.1 years.
The average high temperature in July is 83.16 degrees, with an average low temperature in January of 15.91 degrees. The annual precipitation is 40.4.