ZipCodesToGo
Illinois ZIP Codes
Clinton County
Carlyle, IL
62231
62231 ZIP Code — Carlyle, IL
Clinton County, Illinois
ZIP code 62231 is located in
Carlyle ,
Illinois ,
within Clinton County .
It covers approximately 192.11 square miles and serves a population of
6,680 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 618 .
About ZIP code 62231
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $157,100. Owner-occupancy is high at 82%, well above the national average.
Median household income is $76,055. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
62231 ZIP code map
View map of 62231
Cities in ZIP code 62231
Below are the cities the US Postal Service accepts for ZIP code 62231. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
6,680
Population density
35 / sq mi
State FIPS
17
County FIPS
027
Geography
Land area
192.11 sq mi
Water area
28.27 sq mi
Latitude
38.6288
Longitude
-89.3237
Timezone
Central (CT)
Area code
618
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.6%
34.4%
37.2%
$50k – $100k
39.8%
34.4%
29.6%
$100k – $200k
17.1%
26.0%
24.4%
Over $200k
1.5%
5.2%
8.8%
Demographics & statistics
$76,055
Median household income
$157,100
Median home value
$1,025
Median monthly rent
22.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,293 19.4%
18 and over 5,387 80.6%
65 and over 1,160 17.4%
Median age 39.0 years
Race & ethnicity
Black or African American
1.3%
American Indian / Alaska Native
0.1%
Group Count %
White 6,258 92.7%
Two or more races 332 4.9%
Black or African American 86 1.3%
Hispanic or Latino 73 1.1%
American Indian / Alaska Native 4 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.6%
34.4%
37.2%
$50k – $100k
39.8%
34.4%
29.6%
$100k – $200k
17.1%
26.0%
24.4%
Over $200k
1.5%
5.2%
8.8%
Range % of households
Under $10k 1.0%
$10k–$15k 2.9%
$15k–$25k 3.6%
$25k–$35k 8.5%
$35k–$50k 13.0%
$50k–$75k 20.5%
$75k–$100k 17.7%
$100k–$150k 20.3%
$150k–$200k 7.3%
$200k+ 5.2%
Median income $76,055
Housing
Housing overview
Metric Value
Median home value $157,100
Median rent / month $1,025
Owner occupied 81.8%
Renter occupied 18.2%
Vacant 14.9%
Single-family detached 78.9%
Large apartment buildings 0.0%
Mobile homes 13.1%
Median rooms 5.7
Avg household size (owned) 2.34
Year built
Era %
2020 or later 0.3%
2010–2019 3.4%
2000–2009 14.5%
1990–1999 11.2%
1980–1989 16.2%
1970–1979 11.2%
1960–1969 14.4%
1950–1959 8.4%
1940–1949 6.1%
1939 or earlier 14.4%
Bedrooms
Size % of units
No bedroom (studio) 1.7%
1 bedroom 6.3%
2 bedrooms 30.9%
3 bedrooms 45.3%
4 bedrooms 13.6%
5+ bedrooms 2.3%
Vehicles per household
Vehicles % of households
No vehicle 2.1%
1 vehicle 24.3%
2 vehicles 34.5%
3 or more 39.1%
Heating fuel
Fuel type %
Utility gas 48.6%
Electricity 19.8%
Propane / LP gas 26.5%
Fuel oil 0.3%
Wood 3.4%
No fuel used 0.9%
Households & families
Household type Count %
Married-couple family 1,594 59.8%
Cohabiting couple 154 5.8%
Male householder, no spouse 423 15.9%
Female householder, no spouse 494 18.5%
Households with children under 18 765 28.7%
Households with seniors (65+) 747 28.0%
Average household size 2.43
Marital status
Status Male Female
Never married 33.4% 24.0%
Married 57.3% 58.8%
Separated 0.0% 0.8%
Widowed 1.2% 8.8%
Divorced 8.1% 7.5%
Education
Some college, no degree
20.3%
Graduate / professional
5.3%
Metric %
HS diploma or higher 96.4%
Bachelor's or higher 22.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 147 11.4%
Kindergarten 38 3.0%
Elementary school 546 42.5%
High school 246 19.1%
College / grad school 309 24.0%
Employment
Industry of employment
Education & healthcare
23.7%
Transportation & utilities
8.0%
Arts, food & hospitality
6.6%
Agriculture & mining
6.5%
Finance & real estate
4.5%
Professional & management
3.9%
Public administration
3.3%
Occupation
Category %
Management, business & arts 32.3%
Service 16.7%
Sales & office 17.6%
Natural resources & construction 13.4%
Production & transportation 20.1%
Employment type
Type %
Private sector 79.9%
Government 11.1%
Self-employed 8.9%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 79.5%
Carpool 10.2%
Public transit 0.8%
Walk 1.7%
Work from home 7.2%
Other means 0.5%
Avg commute (minutes) 23.7
Poverty
Married-couple families
1.1%
Female-led households
33.2%
Income support
Source % of households
Social Security 27.7%
Retirement income 23.4%
Supplemental Security 2.9%
Cash public assistance 1.9%
Food stamps / SNAP 6.1%
Health indicators
Condition %
Obesity 35.0%
High blood pressure 33.8%
High cholesterol 34.0%
Diabetes 9.9%
Heart disease 6.8%
Stroke 3.1%
Asthma 9.6%
Arthritis 27.6%
Kidney disease 2.9%
Pulmonary disease 7.3%
Cancer 7.4%
Behavior / access %
Smoking 17.9%
Binge drinking 15.8%
No physical activity 24.0%
Less than 7 hrs sleep 31.9%
Depression 17.6%
Fair or poor health 13.7%
Poor mental health 12.6%
Poor physical health 9.8%
No health insurance 10.5%
Visited doctor (checkup) 76.9%
Visited dentist 66.9%
Cholesterol screening 89.8%
Teeth loss 14.0%
Veterans & disability
Veterans Count %
Civilian veterans 375 7.0%
Disability %
Any disability 11.6%
Under 18 4.3%
18–64 years 9.4%
65 and over 28.9%
Health insurance coverage
Type %
Private insurance 79.3%
Public insurance 28.5%
No insurance 5.8%
Uninsured under 19 9.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 6,299 94.3%
Spanish 65 1.0%
Other Indo-European 18 0.3%
Asian & Pacific Islander 47 0.7%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 6,596 98.7%
Born in same state 6,567 98.3%
Born in different state 5,621 84.1%
Foreign born 29 0.4%
Naturalized citizen 84 1.3%
Not a US citizen 55 65.5%
Ancestry
Ancestry Count %
Arab 513 7.7%
Italian 436 6.5%
French 324 4.9%
English 88 1.3%
Ancestry Count %
Polish 32 0.5%
Dutch 17 0.3%
German 16 0.2%
Irish 10 0.1%
Technology access
Metric % of households
Computer access 39.9%
Internet access 94.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 62231
What city is ZIP code 62231 in?
ZIP code 62231 is primarily assigned to Carlyle, Illinois.
What county is ZIP code 62231 in?
ZIP code 62231 falls within Clinton County, Illinois.
Is ZIP code 62231 mostly owner-occupied?
82% of occupied units in ZIP code 62231 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 62231?
The median home value in ZIP code 62231 is $157,100.
What is the population of ZIP code 62231?
ZIP code 62231 has an estimated population of 6,680 residents, with a density of 35 people per square mile.
What is the median household income in ZIP code 62231?
The median household income in ZIP code 62231 is $76,055, above the national median of ~$75,000.
What timezone is ZIP code 62231 in?
ZIP code 62231 observes the CST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →