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Illinois ZIP Codes
Mclean County
Downs, IL
61736
61736 ZIP Code — Downs, IL
Mclean County, Illinois
ZIP code 61736 is located in
Downs ,
Illinois ,
within Mclean County .
It covers approximately 34.64 square miles and serves a population of
2,578 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 309 .
About ZIP code 61736
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $284,300. Owner-occupancy is high at 87%, well above the national average.
The gap between median ($104,386) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with construction as the leading industry. The average commute of 23 minutes is near the national average. Remote work is prevalent — 23% of workers work from home.
Educational attainment is near the national average, with 44% of residents holding a bachelor's degree or higher.
Overall, ZIP code 61736 reflects a community defined by high homeownership and a high rate of remote workers.
61736 ZIP code map
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Cities in ZIP code 61736
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,578
Population density
74 / sq mi
State FIPS
17
County FIPS
113
Geography
Land area
34.64 sq mi
Water area
0.03 sq mi
Latitude
40.3702
Longitude
-88.8359
Timezone
Central (CT)
Area code
309
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.0%
38.5%
37.2%
$50k – $100k
30.0%
29.6%
29.6%
$100k – $200k
30.0%
24.8%
24.4%
Over $200k
12.0%
7.1%
8.8%
Demographics & statistics
$104,386
Median household income
$284,300
Median home value
44.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 833 32.3%
18 and over 1,745 67.7%
65 and over 434 16.8%
Median age 34.8 years
Race & ethnicity
Black or African American
0.1%
Group Count %
White 2,454 92%
Two or more races 98 3.7%
Hispanic or Latino 90 3.4%
Other race 23 0.9%
Black or African American 3 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.0%
38.5%
37.2%
$50k – $100k
30.0%
29.6%
29.6%
$100k – $200k
30.0%
24.8%
24.4%
Over $200k
12.0%
7.1%
8.8%
Range % of households
Under $10k 11.1%
$10k–$15k 0.3%
$15k–$25k 1.1%
$25k–$35k 3.8%
$35k–$50k 12.5%
$50k–$75k 6.9%
$75k–$100k 7.8%
$100k–$150k 20.6%
$150k–$200k 11.7%
$200k+ 24.2%
Median income $104,386
Housing
Housing overview
Metric Value
Median home value $284,300
Median rent / month $964
Owner occupied 86.9%
Renter occupied 13.1%
Vacant 1.8%
Single-family detached 95.3%
Large apartment buildings 0.0%
Mobile homes 2.0%
Median rooms 7.2
Avg household size (owned) 2.85
Year built
Era %
2020 or later 0.6%
2010–2019 12.1%
2000–2009 11.3%
1990–1999 15.7%
1980–1989 9.0%
1970–1979 14.5%
1960–1969 16.4%
1950–1959 4.4%
1940–1949 3.9%
1939 or earlier 12.1%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 1.2%
2 bedrooms 16.1%
3 bedrooms 49.1%
4 bedrooms 24.5%
5+ bedrooms 9.1%
Vehicles per household
Vehicles % of households
No vehicle 2.7%
1 vehicle 17.0%
2 vehicles 52.6%
3 or more 27.7%
Heating fuel
Fuel type %
Utility gas 66.3%
Electricity 15.8%
Propane / LP gas 15.8%
Households & families
Household type Count %
Married-couple family 524 57.1%
Cohabiting couple 70 7.6%
Male householder, no spouse 120 13.1%
Female householder, no spouse 204 22.2%
Households with children under 18 429 46.7%
Households with seniors (65+) 314 34.2%
Average household size 2.81
Marital status
Status Male Female
Never married 25.1% 18.6%
Married 59.4% 55.4%
Separated 0.5% 0.3%
Widowed 6.6% 15.1%
Divorced 8.5% 10.5%
Education
Some college, no degree
14.3%
Graduate / professional
14.7%
Metric %
HS diploma or higher 98.5%
Bachelor's or higher 44.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 88 10.7%
Kindergarten 86 10.4%
Elementary school 455 55.1%
High school 130 15.7%
College / grad school 67 8.1%
Employment
Industry of employment
Finance & real estate
31.9%
Education & healthcare
10.7%
Professional & management
8.4%
Transportation & utilities
6.1%
Public administration
2.9%
Agriculture & mining
2.3%
Arts, food & hospitality
1.9%
Occupation
Category %
Management, business & arts 53.3%
Service 9.2%
Sales & office 22.4%
Natural resources & construction 4.7%
Production & transportation 10.4%
Employment type
Type %
Private sector 83.6%
Government 12.3%
Self-employed 4.0%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 68.8%
Carpool 7.5%
Public transit 0.2%
Walk 0.3%
Work from home 22.9%
Other means 0.3%
Avg commute (minutes) 22.7
Poverty
Married-couple families
1.3%
Female-led households
14.4%
Income support
Source % of households
Social Security 16.4%
Retirement income 27.7%
Supplemental Security 1.5%
Cash public assistance 0.7%
Food stamps / SNAP 4.6%
Health indicators
Condition %
Obesity 33.3%
High blood pressure 26.7%
High cholesterol 31.2%
Diabetes 7.1%
Heart disease 4.5%
Stroke 2.0%
Asthma 8.9%
Arthritis 21.0%
Kidney disease 2.1%
Pulmonary disease 4.6%
Cancer 6.0%
Behavior / access %
Smoking 13.9%
Binge drinking 17.1%
No physical activity 18.0%
Less than 7 hrs sleep 29.6%
Depression 16.4%
Fair or poor health 9.2%
Poor mental health 11.5%
Poor physical health 7.2%
No health insurance 7.7%
Visited doctor (checkup) 74.7%
Visited dentist 70.9%
Cholesterol screening 91.4%
Teeth loss 8.6%
Veterans & disability
Veterans Count %
Civilian veterans 137 7.9%
Disability %
Any disability 7.9%
Under 18 7.7%
18–64 years 7.1%
65 and over 10.6%
Health insurance coverage
Type %
Private insurance 83.0%
Public insurance 24.0%
No insurance 2.2%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,432 94.3%
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) 2,548 98.8%
Born in same state 2,542 98.6%
Born in different state 2,015 78.2%
Foreign born 6 0.2%
Naturalized citizen 30 1.2%
Not a US citizen 18 60.0%
Ancestry
Ancestry Count %
Italian 571 22.1%
French 355 13.8%
Arab 52 2%
English 34 1.3%
Ancestry Count %
Polish 30 1.2%
Dutch 6 0.2%
Irish 5 0.2%
Norwegian 2 0.1%
Technology access
Metric % of households
Computer access 35.6%
Internet access 93.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61736
What city is ZIP code 61736 in?
ZIP code 61736 is primarily assigned to Downs, Illinois.
What county is ZIP code 61736 in?
ZIP code 61736 falls within Mclean County, Illinois.
Is ZIP code 61736 family-oriented?
32% of residents in ZIP code 61736 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 61736 mostly owner-occupied?
87% of occupied units in ZIP code 61736 are owner-occupied, well above the national average.
What is the median household income in ZIP code 61736?
The median household income in ZIP code 61736 is $104,386, above the national median of ~$75,000.
What is the population of ZIP code 61736?
ZIP code 61736 has an estimated population of 2,578 residents, with a density of 74 people per square mile.
What timezone is ZIP code 61736 in?
ZIP code 61736 observes the CST timezone.
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