Marengo

County:: Iowa County
County Seat:: Yes
Area (mi²):: 2.115
State:: Iowa

Marengo is a city located in Iowa County, Iowa. Marengo has a 2025 population of 2,381. It is also the county seat of Iowa County. Marengo is currently declining at a rate of -0.46% annually and its population has decreased by -2.34% since the most recent census, which recorded a population of 2,438 in 2020.

The average household income in Marengo is $67,273 with a poverty rate of 12.76%. The median age in Marengo is 38.4 years: 35.8 years for males, and 40.1 years for females.

Demographics

The racial composition of Marengo includes 94.4% White, and smaller percentages for Two or more races, Black or African American, other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,665	94.4%
Two or more races	68	2.41%
Black or African American	46	1.63%
Other race	33	1.17%
Native American	11	0.39%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Marengo Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marengo's average per capita income is $41,005. Household income levels show a median of $58,125. The poverty rate stands at 12.76%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$83,333	-
Families	$68,807	$77,056
Households	$58,125	$67,273
Non Families	$37,778	$46,735

$41,005

Average Income

$58,125

Median Household Income

12.76%

Poverty Rate