In 2023, Marengo, IA had a population of 2.82k people with a median age of 38.4 and a median household income of $58,125. Between 2022 and 2023 the population of Marengo, IA grew from 2,812 to 2,823, a 0.391% increase and its median household income declined from $59,583 to $58,125, a −2.45% decrease.
The 5 largest ethnic groups in Marengo, IA are White (Non-Hispanic) (93.5%), Two+ (Non-Hispanic) (2.13%), Black or African American (Non-Hispanic) (1.63%), White (Hispanic) (0.886%), and Other (Hispanic) (0.744%).
None of the households in Marengo, IA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99% of the residents in Marengo, IA are U.S. citizens.
In 2023, the median property value in Marengo, IA was $114,100, and the homeownership rate was 67.4%.
Most people in Marengo, IA drove alone to work, and the average commute time was 20.5 minutes. The average car ownership in Marengo, IA was 2 cars per household.