Cottage Hills ZIP Codes — Madison County, IL

There is one unique ZIP code in Cottage Hills, Illinois and it is 62018. Area code: 618.

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

5–9

101

124

10–14

137

15–19

20–24

135

25–34

149

245

35–44

269

199

45–54

220

55–59

60–64

122

65–74

135

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	794	26.9%
18 and over	2,160	73.1%
65 and over	451	15.3%
Median age	40.7 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%

Group	Count	%
White	2,577	85.2%
Black or African American	197	6.5%
Two or more races	135	4.5%
Hispanic or Latino	72	2.4%
Other race	45	1.5%

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 $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%
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

Metric	Value
Median home value	$79,700
Median rent / month	$999
Owner occupied	76.5%
Renter occupied	23.5%
Vacant	9.7%
Single-family detached	83.7%
Large apartment buildings	0.0%
Mobile homes	8.6%
Median rooms	5.5
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	0.0%
2010–2019	7.1%
2000–2009	10.3%
1990–1999	6.8%
1980–1989	2.8%
1970–1979	3.8%
1960–1969	17.7%
1950–1959	33.0%
1940–1949	11.1%
1939 or earlier	7.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.1%
2 bedrooms	33.2%
3 bedrooms	50.9%
4 bedrooms	6.7%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.5%
1 vehicle	41.5%
2 vehicles	38.0%
3 or more	15.0%

Heating fuel

Fuel type	%
Utility gas	66.8%
Electricity	30.0%
Propane / LP gas	2.8%
Wood	0.5%

Households & families

Household type	Count	%
Married-couple family	357	32.1%
Cohabiting couple	105	9.5%
Male householder, no spouse	119	10.7%
Female householder, no spouse	530	47.7%
Households with children under 18	450	40.5%
Households with seniors (65+)	347	31.2%
Average household size	2.57

Marital status

Status	Male	Female
Never married	46.1%	28.1%
Married	43.6%	34.9%
Separated	0.0%	1.2%
Widowed	3.4%	16.1%
Divorced	6.9%	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 higher	86.3%
Bachelor's or higher	5.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	46	7.3%
Kindergarten	21	3.3%
Elementary school	365	57.6%
High school	176	27.8%
College / grad school	26	4.1%

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 & arts	12.2%
Service	27.2%
Sales & office	26.7%
Natural resources & construction	16.0%
Production & transportation	18.0%

Employment type

Type	%
Private sector	87.8%
Government	7.8%
Self-employed	4.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.1%
Carpool	4.6%
Public transit	0.1%
Walk	0.0%
Other means	1.4%
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 Security	38.0%
Retirement income	14.8%
Supplemental Security	10.9%
Cash public assistance	5.7%
Food stamps / SNAP	35.4%

Health indicators

Condition	%
High blood pressure	33.6%
High cholesterol	33.1%
Heart disease	6.7%
Stroke	3.3%
Asthma	10.5%
Arthritis	27.5%
Kidney disease	3.0%
Pulmonary disease	8.3%
Cancer	6.4%

Behavior / access	%
Binge drinking	15.9%
No physical activity	26.8%
Less than 7 hrs sleep	34.0%
Fair or poor health	16.2%
Poor mental health	14.4%
Poor physical health	11.1%
No health insurance	11.7%
Visited doctor (checkup)	75.9%
Visited dentist	62.5%
Cholesterol screening	87.4%
Teeth loss	17.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	125	5.8%

Disability	%
Any disability	19.9%
Under 18	8.3%
18–64 years	19.2%
65 and over	43.5%

Health insurance coverage

Type	%
Private insurance	54.0%
Public insurance	50.4%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,743	92.9%
Spanish	7	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	7	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,947	99.8%
Born in same state	2,923	99.0%
Born in different state	2,270	76.8%
Foreign born	24	0.8%
Naturalized citizen	7	0.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	550	18.6%
French	370	12.5%
Arab	262	8.9%

Ancestry	Count	%
English	27	0.9%
Irish	2	0.1%

Technology access

Metric	% of households
Computer access	37.6%
Internet access	88.8%

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.