Marseilles, Illinois

Marseilles
Buildings in the city's business district
Etymology: Marseille, France
Location of Marseilles in LaSalle County, Illinois.
Location of Illinois in the United States
Coordinates: 41°19′40″N 88°42′04″W / 41.32778°N 88.70111°W / 41.32778; -88.70111
CountryUnited States
StateIllinois
CountyLaSalle
TownshipsManlius, Rutland, Brookfield
Government
  MayorJim Hollenbeck
Area
  Total
9.57 sq mi (24.78 km2)
  Land9.08 sq mi (23.52 km2)
  Water0.49 sq mi (1.26 km2)
Elevation
663 ft (202 m)
Population
 (2020)
  Total
4,845
  Density533.59/sq mi (206.01/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP Code(s)
61341
Area code815
FIPS code17-47150
GNIS feature ID2395020
Wikimedia CommonsMarseilles, Illinois
Websitecityofmarseilles.com

Marseilles (/mɑːrˈslz/ mar-SAYLZ) 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.