Marengo township Population

2010–2026

2,229

2026 projection

1.3% since 2020 (increase)

05001K1.5K2K2.5K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for Marengo township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,229-20.09%
20252,231-20.09%
20242,233+140.63%
20232,219+160.73%
20222,203-10.05%
20212,204+30.14%
20202,201-220.99%
20192,223+40.18%
20182,219+20.09%
20172,217+100.45%

Showing 10 of 17 years.

Marengo township Demographics

47.7median age

Median age

Female48.6 yrs
Male47.3 yrs

Adults

1,891
575 seniors · 30%1,316 other adults

Sex

Female 51.4% · 1,260Male 48.6% · 1,191

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 25 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Marengo township Income

$85,450median household income

Median household income

$85,450

Half of households earn more, half earn less

Median earnings

$48,684

Typical yearly pay for a worker 25 or older.

Poverty rate

13.3%

About 1 in 8 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Marengo township Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%55%48%
Never married24%20%27%
Divorced17%16%18%
Widowed6%6%6%
Separated2%3%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201