Marseilles ZIP Codes — La Salle County, IL

There is one unique ZIP code in Marseilles, Illinois and it is 61341. Area code: 815.

ZIP codes

91.67

sq mi land

3.60

sq mi water

815

area code

Marseilles, IL ZIP code map

About Marseilles, IL

Marseilles, Illinois, is a quaint city located in La Salle County. Known for its rich history and vibrant community, Marseilles offers both residents and visitors a warm, small-town atmosphere. The city is characterized by its access to the scenic Illinois River, making it a charming destination for outdoor activities.

Location & geography

Marseilles is situated in the northern part of Illinois, approximately 15 miles northwest of the city of Ottawa. The landscape features a combination of land and water, with a total land area of 91.67 square miles and a water area of 3.60 square miles. This location provides residents with beautiful river views and numerous nearby parks.

Community & economy

The community in Marseilles is known for its friendly residents and strong sense of local pride. The city has a diverse economy, with industries focused on agriculture, manufacturing, and tourism, primarily due to its riverfront location. Daily life in Marseilles combines small-town charm with modern conveniences, offering various shops, restaurants, and community events throughout the year.

Transportation

Marseilles is conveniently accessible via several highways, with Interstate 80 being the primary route running north of the city. The nearest airport is the Illinois Valley Regional Airport located approximately 10 miles away, providing easy access for air travel. Public transportation options may be limited, but local roads are well maintained for driving.

History

Marseilles was founded in the mid-19th century and has since grown as a hub for transportation and commerce, thanks in part to its location along the Illinois River. Historically, the city has been home to various key industries, including agriculture and shipping. Notable events in the area often revolve around river festivals and community gatherings, celebrating the region's heritage.

Did you know?

One surprising fact about Marseilles is that it hosts the historic Marseilles Lock and Dam on the Illinois River. This dam plays a significant role in river commerce and has been a vital part of the local economy since its construction.

ZIP codes for Marseilles, IL (1)

ZIP code	City	County	Map
61341	Marseilles	La Salle	View map

Demographics & statistics

7,196

Population

44.2

Median age

$72,442

Median household income

$34,327

Per capita income

$165,700

Median home value

$1,046

Median monthly rent

75.7%

Home ownership

12.3%

Poverty rate

6.0%

Unemployment

2,731

Housing units

19.2%

Bachelor's or higher

Age distribution

Male Female

178

Under 5

190

194

5–9

209

272

10–14

292

221

15–19

238

20–24

315

25–34

338

487

35–44

522

473

45–54

507

238

55–59

255

291

60–64

312

435

65–74

467

232

75–84

248

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,702	23.7%
18 and over	5,494	76.3%
65 and over	1,473	20.5%
Median age	44.2 years

Race & ethnicity

White 90.5%

Hispanic or Latino 3.4%

Two or more races 2.9%

Asian 1.8%

Other race 1.3%

Black or African American 0.2%

Group	Count	%
White	6,735	90.5%
Hispanic or Latino	250	3.4%
Two or more races	213	2.9%
Asian	137	1.8%
Other race	97	1.3%
Black or African American	14	0.2%

Household income

Under $10k 2.6%

$10k–$15k 1.8%

$15k–$25k 6.5%

$25k–$35k 8.3%

$35k–$50k 15.1%

$50k–$75k 15.9%

$75k–$100k 21.2%

$100k–$150k 17.8%

$150k–$200k 7.5%

$200k+ 3.2%

Range	% of households
Under $10k	2.6%
$10k–$15k	1.8%
$15k–$25k	6.5%
$25k–$35k	8.3%
$35k–$50k	15.1%
$50k–$75k	15.9%
$75k–$100k	21.2%
$100k–$150k	17.8%
$150k–$200k	7.5%
$200k+	3.2%
Median income	$72,442

Housing

Home values

Under $50k 6.4%

$50k–$100k 16.1%

$100k–$150k 21.9%

$150k–$200k 16.7%

$200k–$300k 18.7%

$300k–$500k 17.5%

$500k–$1M 2.3%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$165,700
Median rent / month	$1,046
Owner occupied	75.7%
Renter occupied	24.3%
Vacant	16.2%
Single-family detached	75.0%
Large apartment buildings	1.5%
Mobile homes	9.6%
Median rooms	5.8
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	4.6%
2000–2009	14.4%
1990–1999	14.0%
1980–1989	5.6%
1970–1979	14.6%
1960–1969	7.7%
1950–1959	8.1%
1940–1949	3.9%
1939 or earlier	27.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	8.4%
2 bedrooms	31.5%
3 bedrooms	41.7%
4 bedrooms	12.8%
5+ bedrooms	4.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.0%
1 vehicle	30.0%
2 vehicles	42.0%
3 or more	25.0%

Heating fuel

Fuel type	%
Utility gas	67.2%
Electricity	14.8%
Propane / LP gas	16.2%
Fuel oil	0.7%
Wood	1.2%

Households & families

Household type	Count	%
Married-couple family	1,708	59.5%
Cohabiting couple	194	6.8%
Male householder, no spouse	417	14.5%
Female householder, no spouse	554	19.3%
Households with children under 18	789	27.5%
Households with seniors (65+)	1,022	35.6%
Average household size	2.48

Marital status

Status	Male	Female
Never married	21.1%	18.7%
Married	61.6%	56.1%
Separated	0.7%	0.5%
Widowed	4.0%	9.1%
Divorced	12.7%	15.7%

Education

Less than 9th grade 1.5%

Some HS, no diploma 5.5%

HS graduate 40.9%

Some college, no degree 24.1%

Associate's degree 8.8%

Bachelor's degree 11.8%

Graduate / professional 7.4%

Metric	%
HS diploma or higher	93.1%
Bachelor's or higher	19.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	125	7.4%
Kindergarten	50	3.0%
Elementary school	831	49.5%
High school	457	27.2%
College / grad school	217	12.9%

Employment

Industry of employment

Education & healthcare 25.8%

Retail trade 11.7%

Transportation & utilities 11.2%

Professional & management 9.3%

Construction 9.1%

Manufacturing 8.1%

Other services 6.0%

Arts, food & hospitality 5.4%

Agriculture & mining 3.7%

Finance & real estate 2.8%

Public administration 2.7%

Wholesale trade 2.3%

Information 1.9%

Occupation

Category	%
Management, business & arts	28.3%
Service	12.4%
Sales & office	21.4%
Natural resources & construction	16.6%
Production & transportation	21.3%

Employment type

Type	%
Private sector	81.7%
Government	13.8%
Self-employed	4.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	87.1%
Carpool	3.8%
Public transit	0.2%
Walk	2.1%
Other means	0.6%
Avg commute (minutes)	27.2

Poverty

All people 12.3%

Under 18 years 11.7%

18 and over 12.4%

Married-couple families 7.6%

Female-led households 20.6%

Income support

Source	% of households
Social Security	37.8%
Retirement income	31.8%
Supplemental Security	7.2%
Cash public assistance	2.7%
Food stamps / SNAP	8.7%

Health indicators

Condition	%
High blood pressure	32.8%
High cholesterol	33.2%
Heart disease	6.6%
Stroke	3.1%
Asthma	9.7%
Arthritis	26.6%
Kidney disease	2.9%
Pulmonary disease	7.6%
Cancer	6.8%

Behavior / access	%
Binge drinking	16.1%
No physical activity	24.6%
Less than 7 hrs sleep	33.3%
Fair or poor health	14.4%
Poor mental health	13.2%
Poor physical health	10.3%
No health insurance	11.1%
Visited doctor (checkup)	75.4%
Visited dentist	64.2%
Cholesterol screening	89.4%
Teeth loss	14.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	509	9.3%

Disability	%
Any disability	14.1%
Under 18	1.7%
18–64 years	10.3%
65 and over	39.9%

Health insurance coverage

Type	%
Private insurance	77.0%
Public insurance	37.7%
Uninsured under 19	0.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,828	94.9%
Spanish	178	2.6%
Other Indo-European	56	0.8%
Asian & Pacific Islander	28	0.4%
Other languages	94	1.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,932	96.3%
Born in same state	6,911	96.0%
Born in different state	5,997	83.3%
Foreign born	21	0.3%
Naturalized citizen	264	3.7%
Not a US citizen	96	36.4%

Ancestry

Ancestry	Count	%
Italian	1,499	20.8%
French	947	13.2%
Polish	816	11.3%
Arab	235	3.3%

Ancestry	Count	%
English	114	1.6%
German	36	0.5%
Dutch	23	0.3%
Norwegian	11	0.2%

Technology access

Metric	% of households
Computer access	39.9%
Internet access	91.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Marseilles, IL have?

Marseilles, IL has one ZIP code: 61341. Each ZIP code serves a distinct delivery area within the city and surrounding region.