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 4,766 . Marseilles is currently declining at a rate of -0.27% annually and its population has decreased by -1.33% since the most recent census, which recorded a population of 4,830 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. For every 100 females there are 95.4 males.

4.8K
Total Population
527
Density (mi²)
-13 -0.27%
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 and multiracial populations.

Population by Race

White (91.89%)

Two or more races (3.54%)

Asian (2.97%)

Other race (1.6%)

Race
Population
Percentage (of total)
White3,74191.89%
Two or more races1443.54%
Asian1212.97%
Other race651.6%

Marseilles Marital Status

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

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

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)