Cottage Hills ZIP Codes — Madison County, IL

There is one unique ZIP code in Cottage Hills, Illinois and it is 62018. Area code: 618.
1
ZIP codes
3.32
sq mi land
0.03
sq mi water
618
area code
Cottage Hills, IL ZIP code map

About Cottage Hills, IL

Cottage Hills, Illinois is a small city located in Madison County. This quaint community is known for its peaceful residential atmosphere and friendly neighbors. As a part of the greater St. Louis metropolitan area, it offers both a small-town vibe and easy access to urban amenities.

Location & geography

Cottage Hills is situated approximately 15 miles northeast of St. Louis, Missouri, making it an ideal location for commuters. The city encompasses a total land area of 3.32 square miles, with a minimal water area of 0.03 square miles. The terrain is primarily flat, typical of the Midwestern landscape, contributing to its agricultural backdrop and residential development.

Community & economy

The character of Cottage Hills is defined by its tight-knit community and family-friendly environment. Residents often engage in local events and community activities, fostering a sense of belonging and togetherness. While primarily residential, the area supports various local industries that cater to the needs of its citizens, including retail and service sectors.

Transportation

Cottage Hills is easily accessible via major highways, including Illinois Route 111, which connects it to surrounding areas. The city is served by the 618 telephone area code, which covers a significant portion of southwestern Illinois. The nearest major airport is Lambert-St. Louis International Airport, located approximately 20 miles to the southwest.

History

Cottage Hills was founded in the early 20th century and has developed into a prominent residential hub within Madison County. Historically, the area has relied on agriculture and small local businesses as key industries driving its economy. Significant events in its development include growth spurts during the post-World War II era, as many families sought new homes in the burgeoning suburbs.

Did you know?

A surprising fact about Cottage Hills is that it has only one ZIP code, which is 62018. Despite its small size, the city maintains a vibrant community spirit that attracts long-term residents and new families alike.

ZIP codes for Cottage Hills, IL (1)
ZIP code City County Map
62018 Cottage Hills Madison View map

Demographics & statistics

2,954
Population
40.7
Median age
$44,148
Median household income
$20,844
Per capita income
$79,700
Median home value
$999
Median monthly rent
76.5%
Home ownership
28.1%
Poverty rate
14.1%
Unemployment
970
Housing units
5.3%
Bachelor's or higher

Age distribution

Male Female
100
Under 5
111
91
5–9
101
124
10–14
137
79
15–19
86
65
20–24
72
135
25–34
149
245
35–44
269
199
45–54
220
86
55–59
94
67
60–64
73
122
65–74
135
78
75–84
85
15
85+
16
← Male
Female →

Age summary

GroupCount%
Under 1879426.9%
18 and over2,16073.1%
65 and over45115.3%
Median age40.7 years

Race & ethnicity

White 85.2%
Black or African American 6.5%
Two or more races 4.5%
Hispanic or Latino 2.4%
Other race 1.5%
GroupCount%
White2,57785.2%
Black or African American1976.5%
Two or more races1354.5%
Hispanic or Latino722.4%
Other race451.5%

Household income

Under $10k 6.5%
$10k–$15k 13.2%
$15k–$25k 14.2%
$25k–$35k 6.7%
$35k–$50k 16.6%
$50k–$75k 15.8%
$75k–$100k 15.4%
$100k–$150k 9.5%
$150k–$200k 1.7%
$200k+ 0.5%
Range% of households
Under $10k6.5%
$10k–$15k13.2%
$15k–$25k14.2%
$25k–$35k6.7%
$35k–$50k16.6%
$50k–$75k15.8%
$75k–$100k15.4%
$100k–$150k9.5%
$150k–$200k1.7%
$200k+0.5%
Median income$44,148

Housing

Home values

Under $50k 26.9%
$50k–$100k 41.5%
$100k–$150k 20.6%
$150k–$200k 8.2%
$200k–$300k 2.7%

Housing overview

MetricValue
Median home value$79,700
Median rent / month$999
Owner occupied76.5%
Renter occupied23.5%
Vacant9.7%
Single-family detached83.7%
Large apartment buildings0.0%
Mobile homes8.6%
Median rooms5.5
Avg household size (owned)2.36

Year built

Era%
2020 or later0.0%
2010–20197.1%
2000–200910.3%
1990–19996.8%
1980–19892.8%
1970–19793.8%
1960–196917.7%
1950–195933.0%
1940–194911.1%
1939 or earlier7.4%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom9.1%
2 bedrooms33.2%
3 bedrooms50.9%
4 bedrooms6.7%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle5.5%
1 vehicle41.5%
2 vehicles38.0%
3 or more15.0%

Heating fuel

Fuel type%
Utility gas66.8%
Electricity30.0%
Propane / LP gas2.8%
Wood0.5%

Households & families

Household typeCount%
Married-couple family35732.1%
Cohabiting couple1059.5%
Male householder, no spouse11910.7%
Female householder, no spouse53047.7%
Households with children under 1845040.5%
Households with seniors (65+)34731.2%
Average household size2.57

Marital status

StatusMaleFemale
Never married46.1%28.1%
Married43.6%34.9%
Separated0.0%1.2%
Widowed3.4%16.1%
Divorced6.9%19.6%

Education

Less than 9th grade 1.9%
Some HS, no diploma 11.8%
HS graduate 43.4%
Some college, no degree 26.1%
Associate's degree 11.5%
Bachelor's degree 5.1%
Graduate / professional 0.2%
Metric%
HS diploma or higher86.3%
Bachelor's or higher5.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool467.3%
Kindergarten213.3%
Elementary school36557.6%
High school17627.8%
College / grad school264.1%

Employment

Industry of employment

Retail trade 15.6%
Education & healthcare 15.2%
Manufacturing 13.9%
Transportation & utilities 13.0%
Arts, food & hospitality 11.7%
Construction 11.2%
Professional & management 6.5%
Wholesale trade 3.2%
Public administration 2.9%
Finance & real estate 2.4%
Other services 2.1%
Agriculture & mining 1.2%
Information 1.2%

Occupation

Category%
Management, business & arts12.2%
Service27.2%
Sales & office26.7%
Natural resources & construction16.0%
Production & transportation18.0%

Employment type

Type%
Private sector87.8%
Government7.8%
Self-employed4.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone84.1%
Carpool4.6%
Public transit0.1%
Walk0.0%
Other means1.4%
Avg commute (minutes)22.5

Poverty

All people 28.1%
Under 18 years 45.0%
18 and over 21.7%
Married-couple families 13.2%
Female-led households 30.4%

Income support

Source% of households
Social Security38.0%
Retirement income14.8%
Supplemental Security10.9%
Cash public assistance5.7%
Food stamps / SNAP35.4%

Health indicators

Condition%
High blood pressure33.6%
High cholesterol33.1%
Heart disease6.7%
Stroke3.3%
Asthma10.5%
Arthritis27.5%
Kidney disease3.0%
Pulmonary disease8.3%
Cancer6.4%
Behavior / access%
Binge drinking15.9%
No physical activity26.8%
Less than 7 hrs sleep34.0%
Fair or poor health16.2%
Poor mental health14.4%
Poor physical health11.1%
No health insurance11.7%
Visited doctor (checkup)75.9%
Visited dentist62.5%
Cholesterol screening87.4%
Teeth loss17.4%

Veterans & disability

VeteransCount%
Civilian veterans1255.8%
Disability%
Any disability19.9%
Under 188.3%
18–64 years19.2%
65 and over43.5%

Health insurance coverage

Type%
Private insurance54.0%
Public insurance50.4%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only2,74392.9%
Spanish70.3%
Other Indo-European00.0%
Asian & Pacific Islander70.3%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)2,94799.8%
Born in same state2,92399.0%
Born in different state2,27076.8%
Foreign born240.8%
Naturalized citizen70.2%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian55018.6%
French37012.5%
Arab2628.9%
AncestryCount%
English270.9%
Irish20.1%

Technology access

Metric% of households
Computer access37.6%
Internet access88.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Cottage Hills, IL have?
Cottage Hills, IL has one ZIP code: 62018. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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