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Illinois ZIP Codes
Mclean County
Cooksville, IL
61730
61730 ZIP Code — Cooksville, IL
Mclean County, Illinois
ZIP code 61730 is located in
Cooksville ,
Illinois ,
within Mclean County .
It covers approximately 28.96 square miles and serves a population of
369 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 309 .
About ZIP code 61730
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 $157,500. Owner-occupancy sits near the national average at 73%.
Median household income is $63,882. The poverty rate of 4% is below the national average. SNAP benefit usage at 18% of households reflects economic stress in the area.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
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Cities in ZIP code 61730
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
369
Population density
13 / sq mi
State FIPS
17
County FIPS
113
Geography
Land area
28.96 sq mi
Water area
0.00 sq mi
Latitude
40.5305
Longitude
-88.7436
Timezone
Central (CT)
Area code
309
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.3%
38.5%
37.2%
$50k – $100k
46.5%
29.6%
29.6%
$100k – $200k
18.7%
24.8%
24.4%
Over $200k
2.6%
7.1%
8.8%
Demographics & statistics
$63,882
Median household income
$157,500
Median home value
24.4%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 110 29.8% 18 and over 259 70.2% 65 and over 80 21.7% Median age 47.7 years
Race & ethnicity
Group Count % White 362 96.3% Hispanic or Latino 7 1.9% Other race 7 1.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.3%
38.5%
37.2%
$50k – $100k
46.5%
29.6%
29.6%
$100k – $200k
18.7%
24.8%
24.4%
Over $200k
2.6%
7.1%
8.8%
Range % of households Under $10k 1.5% $15k–$25k 6.7% $25k–$35k 2.2% $35k–$50k 20.7% $50k–$75k 28.1% $75k–$100k 14.8% $100k–$150k 15.6% $150k–$200k 8.1% $200k+ 2.2% Median income $63,882
Housing
Housing overview
Metric Value Median home value $157,500 Median rent / month $938 Owner occupied 72.6% Renter occupied 27.4% Vacant 4.3% Single-family detached 85.8% Large apartment buildings 0.0% Mobile homes 5.0% Median rooms 7.0 Avg household size (owned) 2.42
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 0.7% 1990–1999 7.8% 1980–1989 14.9% 1970–1979 5.7% 1960–1969 2.1% 1950–1959 8.5% 1940–1949 5.7% 1939 or earlier 54.6%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 4.3% 2 bedrooms 20.6% 3 bedrooms 37.6% 4 bedrooms 30.5% 5+ bedrooms 7.1%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 24.4% 2 vehicles 49.6% 3 or more 25.9%
Heating fuel
Fuel type % Utility gas 48.1% Electricity 17.0% Propane / LP gas 32.6% Fuel oil 2.2%
Households & families
Household type Count % Married-couple family 82 60.7% Cohabiting couple 11 8.1% Male householder, no spouse 17 12.6% Female householder, no spouse 25 18.5% Households with children under 18 36 26.7% Households with seniors (65+) 45 33.3% Average household size 2.73
Marital status
Status Male Female Never married 16.3% 10.9% Married 69.6% 62.8% Separated 3.7% 6.6% Widowed 1.5% 1.5% Divorced 8.9% 18.2%
Education
Some college, no degree
23.2%
Graduate / professional
8.9%
Metric % HS diploma or higher 98.0% Bachelor's or higher 24.4%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 32 29.4% Kindergarten 2 1.8% Elementary school 49 45.0% High school 13 11.9% College / grad school 13 11.9%
Employment
Industry of employment
Education & healthcare
29.4%
Finance & real estate
18.3%
Transportation & utilities
6.5%
Agriculture & mining
4.6%
Public administration
3.9%
Professional & management
2.0%
Occupation
Category % Management, business & arts 35.3% Service 13.1% Sales & office 26.1% Natural resources & construction 9.8% Production & transportation 15.7%
Employment type
Type % Private sector 80.4% Government 13.1% Self-employed 6.5% Unpaid family workers 0.0%
Commute
Method % Drive alone 77.1% Carpool 12.4% Public transit 0.0% Walk 2.0% Work from home 8.5% Other means 0.0% Avg commute (minutes) 28.6
Poverty
Married-couple families
1.2%
Female-led households
0.0%
Income support
Source % of households Social Security 23.7% Retirement income 20.7% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 17.8%
Health indicators
Condition % Obesity 38.4% High blood pressure 31.9% High cholesterol 31.0% Diabetes 9.6% Heart disease 6.1% Stroke 2.9% Asthma 9.9% Arthritis 25.5% Kidney disease 2.7% Pulmonary disease 7.4% Cancer 6.0%
Behavior / access % Smoking 21.0% Binge drinking 16.0% No physical activity 25.4% Less than 7 hrs sleep 32.9% Depression 18.4% Fair or poor health 14.5% Poor mental health 13.7% Poor physical health 10.4% No health insurance 10.3% Visited doctor (checkup) 75.0% Visited dentist 59.6% Cholesterol screening 88.9% Teeth loss 14.9%
Veterans & disability
Veterans Count % Civilian veterans 16 6.2%
Disability % Any disability 17.6% Under 18 29.1% 18–64 years 11.2% 65 and over 16.3%
Health insurance coverage
Type % Private insurance 51.5% Public insurance 54.5% No insurance 1.6% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 323 87.5% Spanish 4 1.2% Other Indo-European 4 1.2% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 369 100.0% Born in same state 369 100.0% Born in different state 338 91.6% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % French 62 16.8% Italian 40 10.8% Polish 15 4.1%
Ancestry Count % English 5 1.4% Arab 1 0.3%
Technology access
Metric % of households Computer access 36.6% Internet access 98.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61730
What city is ZIP code 61730 in?
ZIP code 61730 is primarily assigned to Cooksville, Illinois.
What county is ZIP code 61730 in?
ZIP code 61730 falls within Mclean County, Illinois.
What is the typical home value in ZIP code 61730?
The median home value in ZIP code 61730 is $157,500.
What is the population of ZIP code 61730?
ZIP code 61730 has an estimated population of 369 residents, with a density of 13 people per square mile.
What is the median household income in ZIP code 61730?
The median household income in ZIP code 61730 is $63,882, below the national median of ~$75,000.
What timezone is ZIP code 61730 in?
ZIP code 61730 observes the CST timezone.
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