Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/MARSEILLES

Marseilles ZIP code, Illinois

The ZIP code for Marseilles, IL is 61341, and its area code is 815.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
4,279
Area code
815

Mail addressed to Marseilles uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Marseilles in numbers

About 4,279 people live in Marseilles, in 1,845 households. The median household income is $58,217 a year, 30% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $142,500 (46% below the Illinois median), and median gross rent is $1,041 a month. The median age is 41.4; 23.9% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 31 minutes.

Population4,279Marseilles4,279
Households1,845Marseilles1,845
Median age41.4Marseilles41.4Illinois39.0US 38.9
Median household income$58,217Marseilles$58,217Illinois$83,390US $80,734
Median home value$142,500Marseilles$142,500Illinois$263,300US $332,700
Median gross rent$1,041Marseilles$1,041Illinois$1,274US $1,413
Bachelor's degree or higher23.9%Marseilles23.9%Illinois37.8%US 35.7%
Mean commute30.7 minMarseilles30.7 minIllinois27.8 minUS 26.4 min
Population density473 / sq miMarseilles473 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Marseilles city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Marseilles

ZIP codes with the USPS city name Marseilles
ZIP City Type Population Median income Median home
61341 Marseilles , IL Standard 7,692 $72,530 $200,900

Other ZIP codes overlapping Marseilles

These ZIP codes cover part of Marseilles but are addressed as somewhere else.

ZIP codes overlapping Marseilles
ZIP City Type Population Median income Median home
61350 Ottawa , IL Standard 23,713 $77,921 $164,500

Map of Marseilles ZIP codes

The ZIP codes of Marseilles, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Marseilles

The nearest larger towns are Ottawa (18,447 people, 8.9 mi), Streator (12,330 people, 13 mi) and Morris (14,898 people, 15 mi).

Towns near Marseilles
TownPopulationDistance
Ottawa 18,447 8.9 mi
Streator 12,330 13.3 mi
Morris 14,898 15.0 mi
Sheridan 2,519 17.1 mi
Dwight 3,872 18.5 mi
Oglesby 3,570 20.2 mi
Coal City 5,317 20.8 mi
LaSalle 9,498 21.9 mi
Diamond 2,984 22.4 mi
Lake Holiday 5,641 23.4 mi
Minooka 12,891 23.6 mi
Channahon 13,927 23.8 mi
Braidwood 6,062 23.8 mi
Peru 9,775 24.3 mi

More nearby: every ZIP code in LaSalle County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Marseilles, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/marseilles

Underlying data is public domain or openly licensed — sources, vintages and licences.