Marengo Flag

Marengo

County:
Iowa County
County Seat:
Yes
Area (mi²):
36.395
State:
Iowa

Marengo is located in Iowa County, Iowa. Marengo has a 2025 population of 2,884 . It is also the county seat of Iowa County . Marengo is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Marengo is $76,251 with a poverty rate of 11%. The median age in Marengo is 38.9 years: 37.3 years for males, and 40.2 years for females. For every 100 females there are 91.9 males.

2.9K
Total Population
79
Density (mi²)

Marengo Population

Marengo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marengo includes 95.25% White, and smaller percentages for Two or more races, Black or African American, other race and multiracial populations.

Population by Race

White (95.25%)

Two or more races (2.01%)

Black or African American (1.6%)

Other race (1.14%)

Race
Population
Percentage (of total)
White2,74795.25%
Two or more races582.01%
Black or African American461.6%
Other race331.14%

Marengo Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marengo's average per capita income is $42,255. Household income levels show a median of $68,269. The poverty rate stands at 11%.

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$90,625-
Families$78,625$92,676
Households$68,269$76,251
Non Families$37,824$47,981

$42,255

Average Income

$68,269

Median Household Income

11%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)