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Illinois ZIP Codes
Madison County
Dorsey, IL
62021
62021 ZIP Code — Dorsey, IL
Madison County, Illinois
ZIP code 62021 is located in
Dorsey ,
Illinois ,
within Madison County .
It covers approximately 20.27 square miles and serves a population of
925 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 618 .
About ZIP code 62021
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $222,100.
The gap between median ($104,671) and mean household income suggests income inequality — a small number of higher earners pull the average up. 33% 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 30 minutes is near the national average.
Educational attainment is near the national average, with 36% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 17% of civilians, above the national average of 7%.
Overall, ZIP code 62021 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.
62021 ZIP code map
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Cities in ZIP code 62021
Below are the cities the US Postal Service accepts for ZIP code 62021. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
925
Population density
46 / sq mi
State FIPS
17
County FIPS
119
Geography
Land area
20.27 sq mi
Water area
0.29 sq mi
Latitude
38.9819
Longitude
-89.9771
Timezone
Central (CT)
Area code
618
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.0%
38.9%
37.2%
$50k – $100k
51.2%
32.2%
29.6%
$100k – $200k
31.3%
23.6%
24.4%
Over $200k
1.6%
5.3%
8.8%
Demographics & statistics
$104,671
Median household income
$222,100
Median home value
35.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 124 13.4%
18 and over 801 86.6%
65 and over 201 21.7%
Median age 57.0 years
Race & ethnicity
Group Count %
White 902 96.5%
Two or more races 23 2.5%
Hispanic or Latino 10 1.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.0%
38.9%
37.2%
$50k – $100k
51.2%
32.2%
29.6%
$100k – $200k
31.3%
23.6%
24.4%
Over $200k
1.6%
5.3%
8.8%
Range % of households
$35k–$50k 8.3%
$50k–$75k 15.3%
$75k–$100k 22.0%
$100k–$150k 25.7%
$150k–$200k 7.8%
$200k+ 20.9%
Median income $104,671
Housing
Housing overview
Metric Value
Median home value $222,100
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 13.9%
Single-family detached 100.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 6.0
Avg household size (owned) 2.48
Year built
Era %
2020 or later 0.0%
2010–2019 1.6%
2000–2009 0.0%
1990–1999 3.0%
1980–1989 18.0%
1970–1979 19.9%
1960–1969 18.2%
1950–1959 15.0%
1940–1949 0.0%
1939 or earlier 24.2%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 2.1%
2 bedrooms 25.4%
3 bedrooms 55.7%
4 bedrooms 12.5%
5+ bedrooms 4.4%
Vehicles per household
Vehicles % of households
No vehicle 5.4%
1 vehicle 15.8%
2 vehicles 25.7%
3 or more 53.1%
Heating fuel
Fuel type %
Utility gas 10.5%
Electricity 34.0%
Propane / LP gas 55.5%
Households & families
Household type Count %
Married-couple family 333 89.3%
Cohabiting couple 0 0.0%
Male householder, no spouse 20 5.4%
Female householder, no spouse 20 5.4%
Households with children under 18 72 19.3%
Households with seniors (65+) 150 40.2%
Average household size 2.48
Marital status
Status Male Female
Never married 7.3% 8.5%
Married 72.8% 88.4%
Separated 0.0% 0.0%
Widowed 10.8% 3.0%
Divorced 9.1% 0.0%
Education
Some college, no degree
7.0%
Graduate / professional
8.2%
Metric %
HS diploma or higher 95.7%
Bachelor's or higher 35.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 17 10.7%
Kindergarten 17 10.7%
Elementary school 56 35.2%
High school 33 20.8%
College / grad school 36 22.6%
Employment
Industry of employment
Education & healthcare
25.0%
Transportation & utilities
12.4%
Professional & management
10.6%
Finance & real estate
5.5%
Arts, food & hospitality
3.7%
Occupation
Category %
Management, business & arts 45.4%
Service 10.8%
Sales & office 21.3%
Natural resources & construction 13.7%
Production & transportation 8.9%
Employment type
Type %
Private sector 73.6%
Government 18.1%
Self-employed 8.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 79.8%
Carpool 0.0%
Public transit 0.0%
Walk 3.5%
Work from home 16.7%
Other means 0.0%
Avg commute (minutes) 29.5
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 33.2%
Retirement income 29.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 36.8%
High blood pressure 33.1%
High cholesterol 35.6%
Diabetes 9.3%
Heart disease 6.2%
Stroke 2.7%
Asthma 9.1%
Arthritis 27.7%
Kidney disease 2.6%
Pulmonary disease 6.3%
Cancer 7.7%
Behavior / access %
Smoking 15.5%
Binge drinking 15.7%
No physical activity 20.3%
Less than 7 hrs sleep 30.7%
Depression 17.2%
Fair or poor health 11.2%
Poor mental health 11.3%
Poor physical health 8.7%
No health insurance 8.0%
Visited doctor (checkup) 77.6%
Visited dentist 73.9%
Cholesterol screening 92.3%
Teeth loss 10.1%
Veterans & disability
Veterans Count %
Civilian veterans 133 16.6%
Disability %
Any disability 21.5%
Under 18 0.0%
18–64 years 20.3%
65 and over 38.3%
Health insurance coverage
Type %
Private insurance 95.6%
Public insurance 27.1%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 896 96.9%
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) 925 100.0%
Born in same state 925 100.0%
Born in different state 676 73.1%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
French 131 14.2%
Italian 29 3.1%
Ancestry Count %
Polish 8 0.9%
Technology access
Metric % of households
Computer access 40.3%
Internet access 85.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 62021
What city is ZIP code 62021 in?
ZIP code 62021 is primarily assigned to Dorsey, Illinois.
What county is ZIP code 62021 in?
ZIP code 62021 falls within Madison County, Illinois.
Does ZIP code 62021 have a large veteran population?
17% of civilians in ZIP code 62021 are veterans, above the national average of ~7%.
What is the median household income in ZIP code 62021?
The median household income in ZIP code 62021 is $104,671, above the national median of ~$75,000.
What is the population of ZIP code 62021?
ZIP code 62021 has an estimated population of 925 residents, with a density of 46 people per square mile.
What is the typical home value in ZIP code 62021?
The median home value in ZIP code 62021 is $222,100.
What timezone is ZIP code 62021 in?
ZIP code 62021 observes the CST timezone.
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