Mount Vernon ZIP Codes — Jefferson County, IL

There is one unique ZIP code in Mount Vernon, Illinois and it is 62864. Area code: 618.

ZIP codes

142.98

sq mi land

0.64

sq mi water

618

area code

Mount Vernon, IL ZIP code map

About Mount Vernon, IL

Mount Vernon, Illinois, is a vibrant city located in Jefferson County. Known for its friendly community and historic charm, it serves as a local hub for commerce and recreation. With a rich cultural heritage, Mount Vernon attracts visitors with its unique offerings and welcoming atmosphere.

Location & geography

Situated in southern Illinois, Mount Vernon is conveniently located near several other cities, including Centralia, approximately 22 miles to the east, and Marion, about 27 miles to the south. The city encompasses an impressive land area of 142.98 square miles, complemented by a smaller water area of 0.64 square miles. The region is characterized by its gently rolling terrain and access to various natural waterways, adding to its scenic beauty.

Community & economy

The community of Mount Vernon is known for its strong sense of belonging and active civic engagement. It supports a variety of industries, including manufacturing, retail, and healthcare, providing a diverse employment landscape for residents. Daily life in Mount Vernon is enriched by parks, local events, and a close-knit atmosphere that fosters connections among residents.

Transportation

Mount Vernon is accessible via major highways, including Interstate 57, which provides convenient connections to neighboring cities and regions. The nearest airport is the MidAmerica St. Louis Airport, located about 50 miles to the west, facilitating air travel for residents and visitors. Local transit options ensure that getting around the city and surrounding areas remains convenient.

History

Founded in the early 19th century, Mount Vernon has a storied past influenced by the railroads and agriculture that shaped its development. Historically, the key industries have included coal mining and manufacturing, which played an integral role in the city's economic growth. Notable events, such as the establishment of the Illinois Central Railroad, significantly influenced the city's expansion and connectivity.

Did you know?

One surprising fact about Mount Vernon is that it is home to a historic landmark, the Mount Vernon City Hall, which is noted for its beautiful architecture. Additionally, the city hosts the Annual Mount Vernon Cruise Night, attracting car enthusiasts from across the region.

ZIP codes for Mount Vernon, IL (1)

ZIP code	City	County	Map
62864	Mount Vernon	Jefferson	View map

Demographics & statistics

23,253

Population

40.5

Median age

$54,560

Median household income

$31,910

Per capita income

$111,800

Median home value

$862

Median monthly rent

65.9%

Home ownership

15.8%

Poverty rate

7.1%

Unemployment

7,787

Housing units

21.0%

Bachelor's or higher

Age distribution

Male Female

727

Under 5

738

770

5–9

780

735

10–14

746

678

15–19

687

634

20–24

642

1,452

25–34

1,472

1,365

35–44

1,385

1,406

45–54

1,426

745

55–59

755

675

60–64

684

1,309

65–74

1,327

728

75–84

738

322

85+

327

← Male

Female →

Age summary

Group	Count	%
Under 18	5,317	22.9%
18 and over	17,936	77.1%
65 and over	4,751	20.4%
Median age	40.5 years

Race & ethnicity

White 82.3%

Black or African American 8%

Two or more races 5.9%

Hispanic or Latino 1.9%

Asian 1.5%

Other race 0.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	19,496	82.3%
Black or African American	1,895	8%
Two or more races	1,395	5.9%
Hispanic or Latino	444	1.9%
Asian	355	1.5%
Other race	85	0.4%
American Indian / Alaska Native	21	0.1%

Household income

Under $10k 6.5%

$10k–$15k 4.5%

$15k–$25k 10.3%

$25k–$35k 10.5%

$35k–$50k 13.5%

$50k–$75k 18.8%

$75k–$100k 12.5%

$100k–$150k 13.1%

$150k–$200k 4.7%

$200k+ 5.7%

Range	% of households
Under $10k	6.5%
$10k–$15k	4.5%
$15k–$25k	10.3%
$25k–$35k	10.5%
$35k–$50k	13.5%
$50k–$75k	18.8%
$75k–$100k	12.5%
$100k–$150k	13.1%
$150k–$200k	4.7%
$200k+	5.7%
Median income	$54,560

Housing

Home values

Under $50k 18.5%

$50k–$100k 25.9%

$100k–$150k 22.3%

$150k–$200k 12.7%

$200k–$300k 13.3%

$300k–$500k 6.2%

$500k–$1M 0.8%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$111,800
Median rent / month	$862
Owner occupied	65.9%
Renter occupied	34.1%
Vacant	12.8%
Single-family detached	69.9%
Large apartment buildings	3.6%
Mobile homes	12.4%
Median rooms	5.6
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.1%
2010–2019	4.2%
2000–2009	8.7%
1990–1999	14.1%
1980–1989	11.1%
1970–1979	17.7%
1960–1969	10.0%
1950–1959	14.3%
1940–1949	7.1%
1939 or earlier	12.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	7.9%
2 bedrooms	33.1%
3 bedrooms	41.7%
4 bedrooms	11.8%
5+ bedrooms	3.9%

Vehicles per household

Vehicles	% of households
No vehicle	6.5%
1 vehicle	36.1%
2 vehicles	35.7%
3 or more	21.6%

Heating fuel

Fuel type	%
Utility gas	40.3%
Electricity	41.6%
Propane / LP gas	14.2%
Wood	2.5%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	4,187	43.3%
Cohabiting couple	761	7.9%
Male householder, no spouse	1,798	18.6%
Female householder, no spouse	2,925	30.2%
Households with children under 18	2,887	29.9%
Households with seniors (65+)	3,422	35.4%
Average household size	2.36

Marital status

Status	Male	Female
Never married	35.7%	24.0%
Married	49.1%	46.6%
Separated	0.5%	1.8%
Widowed	3.5%	12.3%
Divorced	11.3%	15.3%

Education

Less than 9th grade 1.7%

Some HS, no diploma 5.3%

HS graduate 30.7%

Some college, no degree 28.3%

Associate's degree 13.0%

Bachelor's degree 13.3%

Graduate / professional 7.7%

Metric	%
HS diploma or higher	93.0%
Bachelor's or higher	21.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	256	5.3%
Kindergarten	364	7.6%
Elementary school	2,389	49.9%
High school	977	20.4%
College / grad school	804	16.8%

Employment

Industry of employment

Education & healthcare 25.3%

Manufacturing 14.9%

Retail trade 11.9%

Arts, food & hospitality 10.0%

Transportation & utilities 7.7%

Professional & management 7.0%

Construction 5.5%

Other services 4.8%

Finance & real estate 4.6%

Public administration 3.4%

Wholesale trade 2.4%

Agriculture & mining 1.7%

Information 0.8%

Occupation

Category	%
Management, business & arts	29.0%
Service	21.1%
Sales & office	20.6%
Natural resources & construction	8.2%
Production & transportation	21.0%

Employment type

Type	%
Private sector	81.9%
Government	10.8%
Self-employed	7.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	80.9%
Carpool	11.6%
Public transit	0.1%
Walk	1.4%
Other means	1.7%
Avg commute (minutes)	16.7

Poverty

All people 15.8%

Under 18 years 24.6%

18 and over 13.2%

Married-couple families 4.1%

Female-led households 36.7%

Income support

Source	% of households
Social Security	38.2%
Retirement income	28.5%
Supplemental Security	4.9%
Cash public assistance	2.6%
Food stamps / SNAP	19.6%

Health indicators

Condition	%
High blood pressure	36.7%
High cholesterol	35.6%
Heart disease	7.7%
Stroke	3.8%
Asthma	10.4%
Arthritis	29.6%
Kidney disease	3.5%
Pulmonary disease	8.7%
Cancer	7.5%

Behavior / access	%
Binge drinking	14.0%
No physical activity	28.2%
Less than 7 hrs sleep	33.2%
Fair or poor health	17.2%
Poor mental health	13.5%
Poor physical health	11.6%
No health insurance	11.6%
Visited doctor (checkup)	77.8%
Visited dentist	60.3%
Cholesterol screening	89.3%
Teeth loss	16.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,502	8.4%

Disability	%
Any disability	18.9%
Under 18	8.1%
18–64 years	16.0%
65 and over	40.1%

Health insurance coverage

Type	%
Private insurance	61.9%
Public insurance	49.5%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,788	93.7%
Spanish	225	1.0%
Other Indo-European	88	0.4%
Asian & Pacific Islander	25	0.1%
Other languages	100	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	22,756	97.9%
Born in same state	22,594	97.2%
Born in different state	18,069	77.7%
Foreign born	162	0.7%
Naturalized citizen	497	2.1%
Not a US citizen	342	68.8%

Ancestry

Ancestry	Count	%
French	3,030	13%
Italian	2,614	11.2%
Arab	1,572	6.8%
English	186	0.8%

Ancestry	Count	%
Polish	150	0.6%
Norwegian	59	0.3%
Dutch	53	0.2%
German	41	0.2%

Technology access

Metric	% of households
Computer access	41.6%
Internet access	91.8%

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

Frequently asked questions

What ZIP codes does Mount Vernon, IL have?

Mount Vernon, IL has one ZIP code: 62864. Each ZIP code serves a distinct delivery area within the city and surrounding region.