60439 ZIP Code — Lemont, IL

Cook County, Illinois

ZIP code 60439 is located in Lemont, Illinois, within Cook County. It covers approximately 29.71 square miles and serves a population of 24,670 residents. This is a po box ZIP code in the Central (CT) timezone, served by area code 630/331/708.

About ZIP code 60439

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $456,000. Owner-occupancy is high at 89%, well above the national average.

The gap between median ($128,028) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average. 38% 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 34 minutes is near the national average.

Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.

Overall, ZIP code 60439 reflects a community defined by high homeownership and a significant Social Security-dependent population.

24,670

population

29.71

sq mi land

PO Box

ZIP type

Central (CT)

timezone

60439 ZIP code map

Cities in ZIP code 60439

Below are the cities the US Postal Service accepts for ZIP code 60439. Using any city not on this list may result in mail delivery delays.

City	Status
Lemont	Acceptable

Demographics updated 06/2026

Population
Total population	24,670
Population density	830 / sq mi
State FIPS	17
County FIPS	031

Geography
Land area	29.71 sq mi
Water area	1.18 sq mi
Latitude	41.6821
Longitude	-87.9834
Timezone	Central (CT)
Area code	630/331/708

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.2%	38.2%	37.2%
$50k – $100k	25.5%	28.2%	29.6%
$100k – $200k	36.5%	23.7%	24.4%
Over $200k	17.8%	9.9%	8.8%

Demographics & statistics

24,670

Population

830

People per sq mi

45.8

Median age

$128,028

Median household income

$55,105

Per capita income

$456,000

Median home value

$1,078

Median monthly rent

89.0%

Home ownership

2.4%

Poverty rate

5.0%

Unemployment

8,066

Housing units

43.0%

Bachelor's or higher

Age distribution

Male Female

596

Under 5

564

826

5–9

781

852

10–14

806

880

15–19

832

571

20–24

541

983

25–34

930

1,548

35–44

1,464

1,625

45–54

1,538

1,243

55–59

1,175

834

60–64

789

1,359

65–74

1,286

878

75–84

830

483

85+

456

← Male

Female →

Age summary

Group	Count	%
Under 18	5,448	22.1%
18 and over	19,222	77.9%
65 and over	5,292	21.5%
Median age	45.8 years

Race & ethnicity

White 88.3%

Two or more races 4.2%

Hispanic or Latino 3.5%

Asian 1.9%

Black or African American 1.1%

Other race 0.8%

American Indian / Alaska Native 0.2%

Group	Count	%
White	22,564	88.3%
Two or more races	1,074	4.2%
Hispanic or Latino	886	3.5%
Asian	480	1.9%
Black or African American	285	1.1%
Other race	205	0.8%
American Indian / Alaska Native	62	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.2%	38.2%	37.2%
$50k – $100k	25.5%	28.2%	29.6%
$100k – $200k	36.5%	23.7%	24.4%
Over $200k	17.8%	9.9%	8.8%

Under $10k 2.1%

$10k–$15k 0.5%

$15k–$25k 3.2%

$25k–$35k 2.3%

$35k–$50k 8.4%

$50k–$75k 13.2%

$75k–$100k 10.1%

$100k–$150k 20.8%

$150k–$200k 15.8%

$200k+ 23.7%

Range	% of households
Under $10k	2.1%
$10k–$15k	0.5%
$15k–$25k	3.2%
$25k–$35k	2.3%
$35k–$50k	8.4%
$50k–$75k	13.2%
$75k–$100k	10.1%
$100k–$150k	20.8%
$150k–$200k	15.8%
$200k+	23.7%
Median income	$128,028

Housing

Home values

Under $50k 1.2%

$50k–$100k 0.7%

$100k–$150k 0.3%

$150k–$200k 1.2%

$200k–$300k 6.9%

$300k–$500k 48.9%

$500k–$1M 37.1%

$1M+ 3.7%

Housing overview

Metric	Value
Median home value	$456,000
Median rent / month	$1,078
Owner occupied	89.0%
Renter occupied	11.0%
Vacant	3.6%
Single-family detached	78.6%
Large apartment buildings	3.8%
Mobile homes	0.0%
Median rooms	7.5
Avg household size (owned)	2.91

Year built

Era	%
2020 or later	0.5%
2010–2019	9.7%
2000–2009	16.4%
1990–1999	28.4%
1980–1989	12.6%
1970–1979	11.9%
1960–1969	6.3%
1950–1959	5.1%
1940–1949	1.8%
1939 or earlier	7.4%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	3.5%
2 bedrooms	12.0%
3 bedrooms	40.8%
4 bedrooms	33.1%
5+ bedrooms	8.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	23.2%
2 vehicles	41.2%
3 or more	32.1%

Heating fuel

Fuel type	%
Utility gas	94.6%
Electricity	3.4%
Propane / LP gas	1.0%
Solar	0.3%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	5,781	66.4%
Cohabiting couple	325	3.7%
Male householder, no spouse	904	10.4%
Female householder, no spouse	1,691	19.4%
Households with children under 18	2,893	33.2%
Households with seniors (65+)	3,330	38.3%
Average household size	2.80

Marital status

Status	Male	Female
Never married	26.4%	22.6%
Married	62.2%	59.0%
Separated	0.5%	1.3%
Widowed	2.8%	11.2%
Divorced	8.1%	6.0%

Education

Less than 9th grade 3.3%

Some HS, no diploma 1.4%

HS graduate 22.3%

Some college, no degree 19.8%

Associate's degree 10.2%

Bachelor's degree 26.1%

Graduate / professional 16.9%

Metric	%
HS diploma or higher	95.3%
Bachelor's or higher	43.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	330	5.4%
Kindergarten	229	3.7%
Elementary school	2,825	46.0%
High school	1,251	20.4%
College / grad school	1,512	24.6%

Employment

Industry of employment

Education & healthcare 21.7%

Professional & management 14.2%

Retail trade 9.3%

Finance & real estate 9.3%

Construction 8.5%

Arts, food & hospitality 7.9%

Manufacturing 7.2%

Transportation & utilities 6.0%

Other services 6.0%

Public administration 5.7%

Wholesale trade 2.8%

Information 1.1%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	46.9%
Service	13.7%
Sales & office	21.2%
Natural resources & construction	9.8%
Production & transportation	8.3%

Employment type

Type	%
Private sector	80.4%
Government	16.3%
Self-employed	3.2%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	78.2%
Carpool	4.7%
Public transit	2.8%
Walk	1.6%
Work from home	12.3%
Other means	0.4%
Avg commute (minutes)	34.3

Poverty

All people 2.4%

Under 18 years 0.1%

18 and over 3.1%

Married-couple families 1.1%

Female-led households 4.8%

Income support

Source	% of households
Social Security	37.5%
Retirement income	32.8%
Supplemental Security	2.7%
Cash public assistance	1.1%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	26.7%
High blood pressure	29.8%
High cholesterol	33.7%
Diabetes	8.4%
Heart disease	5.8%
Stroke	2.6%
Asthma	8.9%
Arthritis	23.8%
Kidney disease	2.6%
Pulmonary disease	5.9%
Cancer	7.3%

Behavior / access	%
Smoking	13.0%
Binge drinking	15.3%
No physical activity	20.9%
Less than 7 hrs sleep	30.0%
Depression	15.9%
Fair or poor health	11.2%
Poor mental health	11.3%
Poor physical health	8.4%
No health insurance	8.8%
Visited doctor (checkup)	75.5%
Visited dentist	70.3%
Cholesterol screening	92.2%
Teeth loss	9.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,080	5.6%

Disability	%
Any disability	11.3%
Under 18	7.0%
18–64 years	4.7%
65 and over	33.5%

Health insurance coverage

Type	%
Private insurance	84.7%
Public insurance	27.0%
No insurance	2.5%
Uninsured under 19	2.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	23,510	95.3%
Spanish	1,660	7.1%
Other Indo-European	110	0.5%
Asian & Pacific Islander	1,521	6.5%
Other languages	15	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,023	85.2%
Born in same state	20,837	84.5%
Born in different state	18,353	74.4%
Foreign born	186	0.8%
Naturalized citizen	3,647	14.8%
Not a US citizen	2,947	80.8%

Ancestry

Ancestry	Count	%
Italian	3,667	14.9%
Norwegian	2,341	9.5%
French	858	3.5%
Arab	421	1.7%
Irish	401	1.6%

Ancestry	Count	%
English	292	1.2%
Polish	138	0.6%
Dutch	51	0.2%
German	37	0.1%

Technology access

Metric	% of households
Computer access	35.3%
Internet access	96.2%

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

Frequently asked questions about ZIP code 60439

What city is ZIP code 60439 in?

ZIP code 60439 is primarily assigned to Lemont, Illinois.

What county is ZIP code 60439 in?

ZIP code 60439 falls within Cook County, Illinois.

Is ZIP code 60439 mostly owner-occupied?

89% of occupied units in ZIP code 60439 are owner-occupied, well above the national average.

Does ZIP code 60439 have a large retiree population?

38% of households in ZIP code 60439 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 60439?

The median household income in ZIP code 60439 is $128,028, above the national median of ~$75,000.

What is the typical home value in ZIP code 60439?

The median home value in ZIP code 60439 is $456,000.

What timezone is ZIP code 60439 in?

ZIP code 60439 observes the CST timezone.