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 and multiracial populations.

Population by Race

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%

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