Demographics in Marengo, IL
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Marengo?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
7,123
Male
3,721
52.2%
Female
3,402
47.8%
Median Age
33.3
Age Distribution
Source: U.S. Census Bureau ACS (2023)Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White92.0%
Black1.3%
Hispanic12.2%
Two or More5.2%
Other1.5%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
10.8%
High School or Higher
36.5%
Foreign Born
5.7%
Veterans
3.2%
Married
34.1%
Avg Household Size
2.5
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Marengo, IL has a population of 7,123 with a median age of 33.3. The racial makeup is 92.0% White, 12.2% Hispanic, 1.3% Black. About 10.8% of residents hold a bachelor's degree or higher. The foreign-born population is 5.7%.