Marengo is located in Iowa County, Iowa. There are roughly 788 residents, living in 326 households. The average temperature for Marengo this time of the year is low of 63F and high of 86F. On average, Marengo gets about 4.25 inches of precipitation in July. Most residents are home owners (70%), have a high school diploma (54%) and are single, no kids (43%).
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