Marseilles Flag

Marseilles

County:
LaSalle County
County Seat:
No
Area (mi²):
9.439
State:
Illinois

Marseilles is a city located in LaSalle County, Illinois. Marseilles has a 2026 population of 4,753. Marseilles is currently declining at a rate of -0.27% annually and its population has decreased by -1.59% since the most recent census, which recorded a population of 4,830 in 2020.

The median household income in Marseilles is $58,217 with a poverty rate of 21.49%. The median age in Marseilles is 41.4 years: 40 years for males, and 41.6 years for females. For every 100 females there are 98.9 males.

4.8K
Total Population
504
Density (mi²)
-13 -0.27%
Growth

Marseilles Population

Marseilles Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,753-13-0.27%
20254,766-13-0.27%
20244,779-5-0.1%
20234,784130.27%
20224,771-45-0.93%
20214,816-14-0.29%
20204,830-11-0.23%
20194,829-31-0.64%
20184,860-20-0.41%
20174,880-33-0.67%
20164,913-33-0.67%
20154,946-36-0.72%
20144,982-24-0.48%
20135,006-41-0.81%
20125,047-22-0.43%
20115,069-25-0.49%
20105,09400%
20004,655-156-3.24%
19904,811450.94%
19804,76644610.32%
19704,320-27-0.62%
19604,347-167-3.7%
19504,514591.32%
19404,4551633.8%
19304,29290126.57%
19203,3911003.04%
19103,29173228.6%
19002,55900%

Median Age

Overall: 41.4 years
Female: 41.6 years
Male: 40 years

Marseilles Adults

There are 3,317 adults, (813 of whom are seniors) in Marseilles.

Sex Ratio

Female: 2,151 (50.3%)
Male: 2,128 (49.7%)

Demographics

The racial composition of Marseilles includes 88.83% White, 3.9% Asian, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,80188.83%
Two or more races2485.8%
Asian1673.9%
Other race631.47%
Race
Population ↓
Percentage (of total)
White1383.23%
Two or more races431%
Other race350.82%
Race
Population ↓
Percentage (of total)
White3,66385.6%
Two or more races2054.79%
Asian1673.9%
Other race280.65%

Marseilles Marital Status

Economics and Income Statistics

Marseilles ' average per capita income is $48,977. Household income levels show a median of $58,217. The poverty rate stands at 21.49%.

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$76,471-
Families$72,839$96,455
Households$58,217$76,140
Non Families$42,475$52,042

$48,977

Average Income

$58,217

Median Household Income

21.49%

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)