ZipCodesToGo
Illinois ZIP Codes
Stark County
Castleton, IL
61426
61426 ZIP Code — Castleton, IL
Stark County, Illinois
ZIP code 61426 is located in
Castleton ,
Illinois ,
within Stark County .
It covers approximately 3.06 square miles and serves a population of
105 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 309 .
61426 ZIP code map
View map of 61426
Cities in ZIP code 61426
Below are the cities the US Postal Service accepts for ZIP code 61426. Using any city not on this list may result in mail delivery delays.
Demographics
updated 05/2026
Population
Total population
105
Population density
34 / sq mi
State FIPS
17
County FIPS
175
Geography
Land area
3.06 sq mi
Water area
0.00 sq mi
Latitude
41.1196
Longitude
-89.7059
Timezone
Central (CT)
Area code
309
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.9%
47.1%
37.2%
$50k – $100k
25.8%
33.9%
29.6%
$100k – $200k
32.3%
16.5%
24.4%
Over $200k
0.0%
2.6%
8.8%
Demographics & statistics
$0
Median household income
37.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 12 11.4%
18 and over 93 88.6%
65 and over 0 0.0%
Median age 29.6 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.9%
47.1%
37.2%
$50k – $100k
25.8%
33.9%
29.6%
$100k – $200k
32.3%
16.5%
24.4%
Over $200k
0.0%
2.6%
8.8%
Range % of households
$10k–$15k 42.9%
$35k–$50k 17.1%
$100k–$150k 40.0%
Median income $0
Housing
Housing overview
Metric Value
Median home value $30,900
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 0.0%
Single-family detached 100.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 5.7
Avg household size (owned) 3.00
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 0.0%
1970–1979 42.9%
1960–1969 17.1%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 40.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 0.0%
3 bedrooms 82.9%
4 bedrooms 0.0%
5+ bedrooms 17.1%
Vehicles per household
Vehicles % of households
No vehicle 40.0%
1 vehicle 42.9%
2 vehicles 17.1%
3 or more 0.0%
Heating fuel
Fuel type %
Electricity 60.0%
Wood 40.0%
Households & families
Household type Count %
Married-couple family 20 57.1%
Cohabiting couple 0 0.0%
Male householder, no spouse 0 0.0%
Female householder, no spouse 15 42.9%
Households with children under 18 6 17.1%
Households with seniors (65+) 0 0.0%
Average household size 3.00
Marital status
Status Male Female
Never married 0.0% 20.0%
Married 100.0% 52.7%
Separated 0.0% 0.0%
Widowed 0.0% 0.0%
Divorced 0.0% 27.3%
Education
Some college, no degree
0.0%
Graduate / professional
0.0%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 37.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Education & healthcare
14.7%
Agriculture & mining
8.0%
Occupation
Category %
Management, business & arts 8.0%
Service 0.0%
Sales & office 34.7%
Natural resources & construction 0.0%
Production & transportation 57.3%
Employment type
Type %
Private sector 92.0%
Government 0.0%
Self-employed 8.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 92.0%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 8.0%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 42.9%
Retirement income 0.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 35.9%
High blood pressure 32.2%
High cholesterol 31.8%
Diabetes 9.5%
Heart disease 6.1%
Stroke 3.0%
Asthma 9.9%
Arthritis 25.7%
Kidney disease 2.8%
Pulmonary disease 7.5%
Cancer 6.3%
Behavior / access %
Smoking 20.7%
Binge drinking 17.1%
No physical activity 25.4%
Less than 7 hrs sleep 32.7%
Depression 18.5%
Fair or poor health 14.5%
Poor mental health 13.7%
Poor physical health 10.2%
No health insurance 11.3%
Visited doctor (checkup) 74.9%
Visited dentist 61.1%
Cholesterol screening 87.5%
Teeth loss 15.2%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 14.3%
Under 18 0.0%
18–64 years 16.1%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 68.6%
Public insurance 14.3%
No insurance 17.1%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 93 88.6%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 105 100.0%
Born in same state 105 100.0%
Born in different state 73 69.5%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Technology access
Metric % of households
Computer access 33.3%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61426
What city is ZIP code 61426 in?
ZIP code 61426 is primarily assigned to Castleton, Illinois.
What county is ZIP code 61426 in?
ZIP code 61426 falls within Stark County, Illinois.
Does ZIP code 61426 have a large retiree population?
43% of households in ZIP code 61426 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 61426?
The median home value in ZIP code 61426 is $30,900.
What is the population of ZIP code 61426?
ZIP code 61426 has an estimated population of 105 residents, with a density of 34 people per square mile.
What timezone is ZIP code 61426 in?
ZIP code 61426 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 →