60042 ZIP Code — Island Lake, IL

Lake County, Illinois

ZIP code 60042 is located in Island Lake, Illinois, within Lake County. It covers approximately 4.57 square miles and serves a population of 8,589 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 847/224.

About ZIP code 60042

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 $225,300. Owner-occupancy is high at 82%, well above the national average.

Median household income is $89,660. 31% 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 33 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 60042 reflects a community defined by high homeownership and a significant Social Security-dependent population.

8,589

population

4.57

sq mi land

Standard

ZIP type

Central (CT)

timezone

60042 ZIP code map

Cities in ZIP code 60042

Below are the cities the US Postal Service accepts for ZIP code 60042. Using any city not on this list may result in mail delivery delays.

City	Status
Island Lake	Preferred

Nearby ZIP codes

60051 Mchenry (3.3 mi) 60084 Wauconda (3.6 mi) 60013 Cary (3.8 mi) 60012 Crystal Lake (5.2 mi) 60021 Fox River Grove (5.7 mi) 60014 Crystal Lake (6 mi) 60073 Round Lake (6.5 mi) 60050 Mchenry (6.6 mi) 60041 Ingleside (6.8 mi) 60020 Fox Lake (7.8 mi) 60060 Mundelein (8 mi) 60010 Barrington (8.5 mi)

Demographics updated 05/2026

Population
Total population	8,589
Population density	1,879 / sq mi
State FIPS	17
County FIPS	097

Geography
Land area	4.57 sq mi
Water area	0.51 sq mi
Latitude	42.2762
Longitude	-88.2030
Timezone	Central (CT)
Area code	847/224

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.4%	26.6%	37.2%
$50k – $100k	38.1%	26.6%	29.6%
$100k – $200k	30.9%	28.9%	24.4%
Over $200k	5.6%	18.0%	8.8%

Demographics & statistics

8,589

Population

1,879

People per sq mi

40.9

Median age

$89,660

Median household income

$38,028

Per capita income

$225,300

Median home value

$1,747

Median monthly rent

81.7%

Home ownership

9.7%

Poverty rate

6.2%

Unemployment

2,752

Housing units

26.9%

Bachelor's or higher

Age distribution

Male Female

317

Under 5

342

244

5–9

263

173

10–14

187

212

15–19

229

264

20–24

285

474

25–34

512

579

35–44

626

571

45–54

618

389

55–59

420

284

60–64

308

426

65–74

460

113

75–84

122

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,769	20.6%
18 and over	6,820	79.4%
65 and over	1,292	15.0%
Median age	40.9 years

Race & ethnicity

White 81%

Hispanic or Latino 7.8%

Two or more races 5.9%

Other race 2.8%

Asian 2.5%

Black or African American 0.1%

Group	Count	%
White	7,539	81%
Hispanic or Latino	723	7.8%
Two or more races	546	5.9%
Other race	259	2.8%
Asian	234	2.5%
Black or African American	11	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.4%	26.6%	37.2%
$50k – $100k	38.1%	26.6%	29.6%
$100k – $200k	30.9%	28.9%	24.4%
Over $200k	5.6%	18.0%	8.8%

Under $10k 0.3%

$10k–$15k 3.0%

$15k–$25k 3.4%

$25k–$35k 4.6%

$35k–$50k 9.8%

$50k–$75k 15.3%

$75k–$100k 21.2%

$100k–$150k 23.9%

$150k–$200k 13.1%

$200k+ 5.4%

Range	% of households
Under $10k	0.3%
$10k–$15k	3.0%
$15k–$25k	3.4%
$25k–$35k	4.6%
$35k–$50k	9.8%
$50k–$75k	15.3%
$75k–$100k	21.2%
$100k–$150k	23.9%
$150k–$200k	13.1%
$200k+	5.4%
Median income	$89,660

Housing

Home values

Under $50k 0.9%

$50k–$100k 0.4%

$100k–$150k 10.7%

$150k–$200k 27.4%

$200k–$300k 31.2%

$300k–$500k 22.6%

$500k–$1M 5.6%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$225,300
Median rent / month	$1,747
Owner occupied	81.7%
Renter occupied	18.3%
Vacant	6.3%
Single-family detached	73.3%
Large apartment buildings	1.4%
Mobile homes	0.7%
Median rooms	6.0
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.0%
2010–2019	1.5%
2000–2009	14.1%
1990–1999	31.2%
1980–1989	24.5%
1970–1979	7.3%
1960–1969	2.6%
1950–1959	6.3%
1940–1949	6.3%
1939 or earlier	6.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.4%
2 bedrooms	20.3%
3 bedrooms	52.0%
4 bedrooms	20.8%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	30.0%
2 vehicles	43.1%
3 or more	25.9%

Heating fuel

Fuel type	%
Utility gas	92.1%
Electricity	6.2%
Propane / LP gas	1.6%

Households & families

Household type	Count	%
Married-couple family	1,781	57.2%
Cohabiting couple	315	10.1%
Male householder, no spouse	458	14.7%
Female householder, no spouse	559	18.0%
Households with children under 18	928	29.8%
Households with seniors (65+)	923	29.6%
Average household size	2.73

Marital status

Status	Male	Female
Never married	26.4%	27.1%
Married	54.7%	52.8%
Separated	0.5%	0.5%
Widowed	0.7%	7.3%
Divorced	17.7%	12.4%

Education

Less than 9th grade 3.3%

Some HS, no diploma 4.7%

HS graduate 31.9%

Some college, no degree 21.7%

Associate's degree 11.5%

Bachelor's degree 19.9%

Graduate / professional 7.0%

Metric	%
HS diploma or higher	92.0%
Bachelor's or higher	26.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	248	13.8%
Kindergarten	109	6.1%
Elementary school	605	33.6%
High school	438	24.4%
College / grad school	398	22.1%

Employment

Industry of employment

Education & healthcare 20.3%

Manufacturing 13.0%

Construction 12.8%

Retail trade 11.6%

Arts, food & hospitality 10.3%

Professional & management 9.1%

Finance & real estate 8.0%

Other services 4.8%

Transportation & utilities 3.8%

Wholesale trade 2.7%

Public administration 2.1%

Information 1.4%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	38.2%
Service	16.1%
Sales & office	23.4%
Natural resources & construction	11.1%
Production & transportation	11.2%

Employment type

Type	%
Private sector	83.0%
Government	11.8%
Self-employed	5.1%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	76.8%
Carpool	8.5%
Public transit	1.1%
Walk	0.6%
Work from home	12.1%
Other means	0.9%
Avg commute (minutes)	33.4

Poverty

All people 9.7%

Under 18 years 13.5%

18 and over 8.8%

Married-couple families 4.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.2%
Retirement income	15.9%
Supplemental Security	3.1%
Cash public assistance	1.3%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	33.7%
High blood pressure	26.1%
High cholesterol	28.5%
Diabetes	7.6%
Heart disease	4.2%
Stroke	2.0%
Asthma	9.3%
Arthritis	20.5%
Kidney disease	2.1%
Pulmonary disease	5.0%
Cancer	5.3%

Behavior / access	%
Smoking	16.5%
Binge drinking	16.9%
No physical activity	20.9%
Less than 7 hrs sleep	32.2%
Depression	17.0%
Fair or poor health	10.7%
Poor mental health	12.6%
Poor physical health	7.9%
No health insurance	10.8%
Visited doctor (checkup)	73.9%
Visited dentist	71.3%
Cholesterol screening	89.9%
Teeth loss	10.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	388	5.7%

Disability	%
Any disability	8.0%
Under 18	2.0%
18–64 years	6.7%
65 and over	22.8%

Health insurance coverage

Type	%
Private insurance	76.3%
Public insurance	28.0%
No insurance	5.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,930	92.3%
Spanish	470	5.9%
Other Indo-European	352	4.4%
Asian & Pacific Islander	42	0.5%
Other languages	76	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,371	85.8%
Born in same state	7,283	84.8%
Born in different state	6,073	70.7%
Foreign born	88	1.0%
Naturalized citizen	1,218	14.2%
Not a US citizen	663	54.4%

Ancestry

Ancestry	Count	%
Italian	1,597	18.6%
French	587	6.8%
Arab	168	2%
Polish	151	1.8%
Dutch	87	1%

Ancestry	Count	%
Irish	66	0.8%
Norwegian	47	0.5%
English	23	0.3%
German	7	0.1%

Technology access

Metric	% of households
Computer access	36.2%
Internet access	96.7%

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

Frequently asked questions about ZIP code 60042

What city is ZIP code 60042 in?

ZIP code 60042 is primarily assigned to Island Lake, Illinois.

What county is ZIP code 60042 in?

ZIP code 60042 falls within Lake County, Illinois.

Is ZIP code 60042 mostly owner-occupied?

82% of occupied units in ZIP code 60042 are owner-occupied, well above the national average.

What is the population of ZIP code 60042?

ZIP code 60042 has an estimated population of 8,589 residents, with a density of 1,881 people per square mile.

What is the median household income in ZIP code 60042?

The median household income in ZIP code 60042 is $89,660, above the national median of ~$75,000.

What is the typical home value in ZIP code 60042?

The median home value in ZIP code 60042 is $225,300.

What timezone is ZIP code 60042 in?

ZIP code 60042 observes the CST timezone.