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Marseilles, IL
City in LaSalle County, Illinois.
Population
4,279
Land area
9sq mi
People per sq mi
473
ZIP codes
0
Marseilles and its ZIP codes
Marseilles at a glance
- Marseilles is about 2.1 times as dense as Illinois as a whole.
- Households here earn a median of $58,217 a year, 30% less than the Illinois figure of $83,390.
- A typical owner-occupied home is valued at $142,500 (46% below Illinois) and median rent is $1,041 a month.
Local data for Marseilles, IL
Counts from official public data
Housing and community stats
Marseilles, IL, American Community Survey 2020-2024
Median household income
$58,217
Poverty rate
21.5%
Median home value
$142,500
Median rent
$1,041/mo
Homeownership
68.5%
Bachelor's or higher
23.9%
Median age
41.4
Average commute
30.7 min
Largest reported origins and ancestries: German Americans (793), Irish Americans (674), Italian Americans (525).
Economy and federal money
Jobs, pay, income and spending are for LaSalle County. PPP loans are for Marseilles.
Unemployment rate
4.2%
Sep 2026, -1.0 pts in a year
Average annual pay
$60,975
38,720 jobs, 2025
Income per person
$57,510
BEA, 2024
Federal spending
$719M
FY 2026, $6,555 per person
How people get to work
Marseilles, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone84.1%
- Carpooled3.5%
- Public transit0.4%
- Walked0.7%
- Bicycle0.3%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home10.4%
Average one-way commute: 30.7 minutes for people who do not work from home.
Environment and hazard risk
Marseilles, IL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: cold wave
Storm events since 1996
825
Countywide, mostly thunderstorm wind
Flood insurance policies
222
0.5% of homes, county
July high / Jan low
84° / 14°F
39.0 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Marseilles, IL, CDC PLACES estimates
Obesity
37.9%
U.S. 33.3% +4.6 pts
Diabetes
11.8%
U.S. 12.1% about the same
Smoking
15.6%
U.S. 12.8% +2.8 pts
Uninsured (18-64)
8.3%
U.S. 11.1% -2.8 pts
Cities near Marseilles
| Name | Distance | Land area (sq mi) |
|---|---|---|
| SenecaVillage | 3.3 mi | 6.2 |
| DaytonCensus-designated place | 8 mi | 1.8 |
| OttawaCity | 9.2 mi | 14.9 |
| WedronCensus-designated place | 9.8 mi | 0.5 |
| Grand RidgeVillage | 10 mi | 0.5 |
| KinsmanVillage | 10 mi | 0.1 |
| NaplateVillage | 11 mi | 0.2 |
| VeronaVillage | 11 mi | 0.2 |
| RansomVillage | 11 mi | 1 |
| SerenaCensus-designated place | 12 mi | 0.2 |
| MorrisCity | 14 mi | 12.4 |
| MazonVillage | 14 mi | 0.6 |
| SheridanVillage | 15 mi | 2.1 |
| LisbonVillage | 15 mi | 2.1 |
| KangleyVillage | 16 mi | 0.3 |
| NewarkVillage | 16 mi | 1.1 |
Frequently asked questions
- What county is Marseilles, IL in?
- Marseilles is in LaSalle County, Illinois.
- What is the population of Marseilles, IL?
- About 4,279 people live in Marseilles, based on American Community Survey 5-year estimates.
- What cities are near Marseilles?
- Nearby places include Seneca (3.3 mi), Dayton (8 mi), Ottawa (9.2 mi), Wedron (9.8 mi), Grand Ridge (10 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023