Marne Flag

Marne

County:
Cass County
County Seat:
No
Area (mi²):
0.561
State:
Iowa

Marne is a city located in Cass County, Iowa. Marne has a 2026 population of 109. Marne is currently declining at a rate of 0% annually and its population has increased by 0.93% since the most recent census, which recorded a population of 108 in 2020.

The median household income in Marne is $61,875 with a poverty rate of 5.1%. The median age in Marne is 42.7 years: 47.5 years for males, and 42.2 years for females. For every 100 females there are 92.2 males.

109
Total Population
194
Density (mi²)

Marne Population

Marne Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202610900%
202510900%
2024109-1-0.91%
202311000%
202211021.85%
202110800%
202010800%
2019112-1-0.88%
2018113-2-1.74%
201711500%
2016115-2-1.71%
201511721.74%
2014115-2-1.71%
2013117-1-0.85%
201211800%
2011118-2-1.67%
201012000%

Median Age

Overall: 42.7 years
Female: 42.2 years
Male: 47.5 years

Marne Adults

There are 75 adults, (13 of whom are seniors) in Marne.

Sex Ratio

Female: 51 (52%)
Male: 47 (48%)

Demographics

The racial composition of Marne includes 96.94% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White9596.94%
Two or more races33.06%
Race
Population ↓
Percentage (of total)
White9596.94%
Two or more races33.06%

Marne Marital Status

Economics and Income Statistics

Marne 's average per capita income is $42,222. Household income levels show a median of $61,875. The poverty rate stands at 5.1%.

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$88,750-
Families$75,417$79,500
Households$61,875$62,321
Non Families$21,875$23,050

$42,222

Average Income

$61,875

Median Household Income

5.1%

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)