Marseilles Flag

Marseilles

County:
LaSalle County
County Seat:
No
Area (mi²):
9.049
State:
Illinois

Marseilles is a city located in LaSalle County, Illinois. Marseilles has a 2025 population of 4,741. Marseilles is currently declining at a rate of -0.34% annually and its population has decreased by -1.64% since the most recent census, which recorded a population of 4,820 in 2020.

The average household income in Marseilles is $77,436 with a poverty rate of 16.57%. The median age in Marseilles is 41 years: 40.5 years for males, and 41.2 years for females.

4.7K
Total Population
524
Density (mi²)
-16 -0.34%
Growth

Marseilles Population

Marseilles Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marseilles includes 91.89% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White3,74191.89%
Two or more races1443.54%
Asian1212.97%
Other race651.6%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

Marseilles Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marseilles' average per capita income is $43,571. Household income levels show a median of $56,777. The poverty rate stands at 16.57%.

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$88,622-
Families$77,750$93,771
Households$56,777$77,436
Non Families$41,250$54,005

$43,571

Average Income

$56,777

Median Household Income

16.57%

Poverty Rate

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)