ZIP Code 61341
About Marseilles
Marseilles is a city in LaSalle County, Illinois, United States. An Illinois River town, the population was 4,845 at the 2020 census, down from 5,094 at the 2010 census. It is part of the Ottawa, IL Micropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
7,249
population
$78,895
median household income
79
people / sq mi
$179,400
median home value
$1,048
median gross rent
42.3
median age
3,419
housing units
2,882
households
91.7
land area (sq mi)
Key places in 61341
- Illini State Park nature
Points of interest
- gas
Brands
- Shell (1)