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Illinois ZIP Codes
Jefferson County
Mount Vernon, IL
62864
62864 ZIP Code — Mount Vernon, IL
Jefferson County, Illinois
ZIP code 62864 is located in
Mount Vernon ,
Illinois ,
within Jefferson County .
It covers approximately 142.98 square miles and serves a population of
23,253 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 618 .
About ZIP code 62864
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $111,800. Owner-occupancy sits near the national average at 66%.
Median household income is $54,560. SNAP benefit usage at 20% of households reflects economic stress in the area. 38% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 17 minutes is near the national average.
Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (20%) compared to national benchmarks.
Overall, ZIP code 62864 reflects a community defined by a significant Social Security-dependent population and elevated reliance on food assistance.
62864 ZIP code map
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Cities in ZIP code 62864
Below are the cities the US Postal Service accepts for ZIP code 62864. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
23,253
Population density
163 / sq mi
State FIPS
17
County FIPS
081
Geography
Land area
142.98 sq mi
Water area
0.64 sq mi
Latitude
38.3196
Longitude
-88.9045
Timezone
Central (CT)
Area code
618
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.7%
48.4%
37.2%
$50k – $100k
29.1%
32.0%
29.6%
$100k – $200k
14.7%
15.9%
24.4%
Over $200k
4.5%
3.7%
8.8%
Demographics & statistics
$54,560
Median household income
$111,800
Median home value
21.0%
Bachelor's or higher
Age distribution
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
Black or African American
8%
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
Income range
This ZIP
County avg
State avg
Under $50k
51.7%
48.4%
37.2%
$50k – $100k
29.1%
32.0%
29.6%
$100k – $200k
14.7%
15.9%
24.4%
Over $200k
4.5%
3.7%
8.8%
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
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
Some college, no degree
28.3%
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%
Arts, food & hospitality
10.0%
Transportation & utilities
7.7%
Professional & management
7.0%
Finance & real estate
4.6%
Public administration
3.4%
Agriculture & mining
1.7%
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%
Work from home 4.3%
Other means 1.7%
Avg commute (minutes) 16.7
Poverty
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 %
Obesity 36.5%
High blood pressure 36.7%
High cholesterol 35.6%
Diabetes 11.7%
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 %
Smoking 20.1%
Binge drinking 14.0%
No physical activity 28.2%
Less than 7 hrs sleep 33.2%
Depression 18.2%
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%
No insurance 5.9%
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 about ZIP code 62864
What city is ZIP code 62864 in?
ZIP code 62864 is primarily assigned to Mount Vernon, Illinois.
What county is ZIP code 62864 in?
ZIP code 62864 falls within Jefferson County, Illinois.
What is the poverty rate in ZIP code 62864?
16% of residents in ZIP code 62864 live below the poverty line, above the national average.
Does ZIP code 62864 have a large retiree population?
38% of households in ZIP code 62864 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 62864?
The median home value in ZIP code 62864 is $111,800.
What is the population of ZIP code 62864?
ZIP code 62864 has an estimated population of 23,253 residents, with a density of 163 people per square mile.
What timezone is ZIP code 62864 in?
ZIP code 62864 observes the CST timezone.
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