Centralia ZIP Codes — Marion County, IL

There is one unique ZIP code in Centralia, Illinois and it is 62801. Area code: 618.

ZIP codes

134.44

sq mi land

1.60

sq mi water

618

area code

Centralia, IL ZIP code map

About Centralia, IL

Centralia, Illinois, is a charming city located in Marion County. Known for its rich history and community spirit, it offers a blend of small-town charm and local amenities. With its significant land and water areas, Centralia is an inviting place for both residents and visitors alike.

Location & geography

Centralia is situated in the southern part of Illinois, making it accessible to several surrounding cities. Nearby cities include Salem, located approximately 14 miles to the east, Mt. Vernon about 20 miles to the south, and Carlyle roughly 22 miles to the northwest. The city spans a land area of 134.44 square miles with an additional 1.60 square miles of water, featuring a diverse landscape that includes parks and natural areas.

Community & economy

The character of Centralia is defined by its friendly residents and community-oriented activities. The local economy thrives on industries such as retail, healthcare, and agriculture, which contribute to the city's vibrancy. Daily life here is enhanced by various community events, recreational activities, and a strong focus on family values.

Transportation

Centralia is well-connected by major highways, with Interstate 57 and U.S. Route 51 serving as the primary transportation routes. The nearest airport is the MidAmerica St. Louis Airport, located about 40 miles away, providing access to regional air travel. Local transit options are limited, but the city's layout encourages community engagement and walkability.

History

Founded in the mid-19th century, Centralia quickly developed due to the arrival of the railroad, which played a crucial role in its growth. The city has historically been a hub for coal mining and agriculture, providing jobs and resources to the area. Notable events in Centralia's history include the establishment of the Centralia Historical Society, which maintains the rich heritage of the region.

Did you know?

One surprising fact about Centralia is that it has a long-standing history of producing various locally-owned businesses that have stood the test of time. Additionally, the city's annual events, such as the Centralia Balloon Festival, attract visitors from near and far, showcasing its community spirit.

ZIP codes for Centralia, IL (1)

ZIP code	City	County	Map
62801	Centralia	Marion	View map

Demographics & statistics

19,976

Population

42.3

Median age

$52,840

Median household income

$27,303

Per capita income

$91,000

Median home value

$744

Median monthly rent

70.5%

Home ownership

20.2%

Poverty rate

10.9%

Unemployment

6,829

Housing units

16.3%

Bachelor's or higher

Age distribution

Male Female

604

Under 5

532

570

5–9

503

627

10–14

553

665

15–19

586

615

20–24

542

1,246

25–34

1,097

1,373

35–44

1,209

1,218

45–54

1,073

808

55–59

712

765

60–64

674

1,102

65–74

971

717

75–84

632

309

85+

273

← Male

Female →

Age summary

Group	Count	%
Under 18	4,150	20.8%
18 and over	15,826	79.2%
65 and over	4,004	20.0%
Median age	42.3 years

Race & ethnicity

White 80.8%

Black or African American 10.5%

Two or more races 3.8%

Hispanic or Latino 2.6%

Asian 1.5%

Other race 0.8%

Group	Count	%
White	16,561	80.8%
Black or African American	2,162	10.5%
Two or more races	771	3.8%
Hispanic or Latino	523	2.6%
Asian	303	1.5%
Other race	169	0.8%

Household income

Under $10k 6.7%

$10k–$15k 5.9%

$15k–$25k 11.0%

$25k–$35k 9.2%

$35k–$50k 14.8%

$50k–$75k 17.3%

$75k–$100k 13.2%

$100k–$150k 15.6%

$150k–$200k 3.8%

$200k+ 2.5%

Range	% of households
Under $10k	6.7%
$10k–$15k	5.9%
$15k–$25k	11.0%
$25k–$35k	9.2%
$35k–$50k	14.8%
$50k–$75k	17.3%
$75k–$100k	13.2%
$100k–$150k	15.6%
$150k–$200k	3.8%
$200k+	2.5%
Median income	$52,840

Housing

Home values

Under $50k 21.5%

$50k–$100k 35.4%

$100k–$150k 18.9%

$150k–$200k 9.5%

$200k–$300k 9.0%

$300k–$500k 5.4%

$500k–$1M 0.3%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$91,000
Median rent / month	$744
Owner occupied	70.5%
Renter occupied	29.5%
Vacant	15.1%
Single-family detached	74.9%
Large apartment buildings	3.2%
Mobile homes	11.1%
Median rooms	5.6
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	0.0%
2010–2019	3.9%
2000–2009	8.9%
1990–1999	9.0%
1980–1989	8.4%
1970–1979	16.2%
1960–1969	13.6%
1950–1959	11.9%
1940–1949	10.4%
1939 or earlier	17.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	10.4%
2 bedrooms	31.9%
3 bedrooms	40.6%
4 bedrooms	13.1%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	9.3%
1 vehicle	34.7%
2 vehicles	37.0%
3 or more	19.0%

Heating fuel

Fuel type	%
Utility gas	58.8%
Electricity	27.6%
Propane / LP gas	11.4%
Fuel oil	0.1%
Wood	1.3%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	3,143	40.6%
Cohabiting couple	704	9.1%
Male householder, no spouse	1,632	21.1%
Female householder, no spouse	2,256	29.2%
Households with children under 18	2,104	27.2%
Households with seniors (65+)	2,857	36.9%
Average household size	2.33

Marital status

Status	Male	Female
Never married	39.8%	27.9%
Married	40.4%	41.2%
Separated	1.6%	2.5%
Widowed	4.4%	12.3%
Divorced	13.8%	16.1%

Education

Less than 9th grade 3.0%

Some HS, no diploma 11.1%

HS graduate 35.7%

Some college, no degree 23.7%

Associate's degree 10.2%

Bachelor's degree 10.3%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	85.9%
Bachelor's or higher	16.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	345	8.6%
Kindergarten	333	8.3%
Elementary school	1,850	46.2%
High school	799	20.0%
College / grad school	675	16.9%

Employment

Industry of employment

Education & healthcare 27.8%

Manufacturing 17.7%

Retail trade 10.8%

Arts, food & hospitality 7.2%

Transportation & utilities 6.6%

Public administration 5.7%

Other services 5.2%

Construction 4.4%

Professional & management 3.6%

Finance & real estate 3.4%

Information 3.1%

Wholesale trade 3.0%

Agriculture & mining 1.6%

Occupation

Category	%
Management, business & arts	31.3%
Service	18.9%
Sales & office	18.6%
Natural resources & construction	6.6%
Production & transportation	24.6%

Employment type

Type	%
Private sector	76.5%
Government	16.9%
Self-employed	6.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	81.3%
Carpool	10.0%
Public transit	0.2%
Walk	1.6%
Other means	0.9%
Avg commute (minutes)	19.9

Poverty

All people 20.2%

Under 18 years 31.0%

18 and over 17.2%

Married-couple families 5.2%

Female-led households 44.4%

Income support

Source	% of households
Social Security	42.1%
Retirement income	28.4%
Supplemental Security	6.3%
Cash public assistance	3.2%
Food stamps / SNAP	21.4%

Health indicators

Condition	%
High blood pressure	37.5%
High cholesterol	35.2%
Heart disease	7.9%
Stroke	4.0%
Asthma	10.6%
Arthritis	30.4%
Kidney disease	3.5%
Pulmonary disease	9.5%
Cancer	7.1%

Behavior / access	%
Binge drinking	14.4%
No physical activity	29.9%
Less than 7 hrs sleep	35.0%
Fair or poor health	19.1%
Poor mental health	14.2%
Poor physical health	12.4%
No health insurance	13.6%
Visited doctor (checkup)	77.6%
Visited dentist	57.0%
Cholesterol screening	87.9%
Teeth loss	19.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,266	8.0%

Disability	%
Any disability	20.9%
Under 18	9.4%
18–64 years	18.7%
65 and over	39.9%

Health insurance coverage

Type	%
Private insurance	58.9%
Public insurance	51.3%
Uninsured under 19	2.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,840	94.3%
Spanish	424	2.3%
Other Indo-European	214	1.1%
Asian & Pacific Islander	125	0.7%
Other languages	85	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,417	97.2%
Born in same state	19,342	96.8%
Born in different state	15,777	79.0%
Foreign born	75	0.4%
Naturalized citizen	559	2.8%
Not a US citizen	280	50.1%

Ancestry

Ancestry	Count	%
Italian	2,161	10.8%
French	2,073	10.4%
Arab	1,084	5.4%
English	137	0.7%
Norwegian	127	0.6%

Ancestry	Count	%
Irish	35	0.2%
German	32	0.2%
Polish	31	0.2%
Dutch	26	0.1%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	89.7%

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

Frequently asked questions

What ZIP codes does Centralia, IL have?

Centralia, IL has one ZIP code: 62801. Each ZIP code serves a distinct delivery area within the city and surrounding region.