Demographics in Marengo, IL

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Marengo?

Loading map…

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)
White
92.0%
Black
1.3%
Hispanic
12.2%
Two or More
5.2%
Other
1.5%

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%.