Marengo ZIP Codes — Mchenry County, IL

There is one unique ZIP code in Marengo, Illinois and it is 60152. Area code: 815/779.

ZIP codes

95.35

sq mi land

0.12

sq mi water

815/779

area code

Marengo, IL ZIP code map

About Marengo, IL

Marengo, Illinois, is a charming city located in the picturesque McHenry County. Known for its small-town atmosphere, Marengo offers a unique blend of community spirit and suburban convenience. It serves as a welcoming hub for families and individuals seeking a more relaxed lifestyle while being close to urban amenities.

Location & geography

Geographically, Marengo is situated in northeast Illinois, approximately 10 miles west of the bustling city of Crystal Lake. The city is surrounded by several other towns including Harvard to the north, approximately 8 miles away, and Union to the south, which is about 6 miles from Marengo. Covering an expansive land area of 95.35 square miles, Marengo has a small water area of 0.12 square miles, providing a mix of scenic landscape and developed areas.

Community & economy

The community in Marengo is characterized by its friendly residents and a strong focus on local values. Key industries include agriculture and retail, providing essential services and employment opportunities for locals. Daily life is enriched by local events, community gatherings, and a range of recreational activities that foster deep connections among residents.

Transportation

Marengo is accessible via several key highways, including Interstate 90 and U.S. Route 20, which offer convenient connectivity to surrounding regions. The nearest major airport is Chicago O'Hare International Airport, located approximately 40 miles away, providing easy access for travelers. Public transportation options are limited, but the community remains well-connected by car and nearby rail services.

History

Marengo was founded in the mid-19th century, developing primarily around the agricultural industry that remains significant today. Over the years, it has witnessed various notable events, including the establishment of local festivals that celebrate its rich heritage. This growth has helped Marengo become a respected community within McHenry County.

Did you know?

One surprising fact about Marengo is that it hosts the annual 'Marengo Community Days,' which has been a staple celebration for many years. Additionally, the city features the historic Marengo Union Railway Depot, which serves as a reminder of the area’s rich transportation history.

ZIP codes for Marengo, IL (1)

ZIP code	City	County	Map
60152	Marengo	Mchenry	View map

Demographics & statistics

12,264

Population

37.8

Median age

$91,833

Median household income

$41,775

Per capita income

$242,200

Median home value

$1,001

Median monthly rent

75.0%

Home ownership

10.1%

Poverty rate

6.3%

Unemployment

3,698

Housing units

25.6%

Bachelor's or higher

Age distribution

Male Female

461

Under 5

464

417

5–9

419

293

10–14

294

351

15–19

352

543

20–24

545

850

25–34

854

568

35–44

570

730

45–54

734

352

55–59

354

515

60–64

518

575

65–74

577

367

75–84

369

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,891	23.6%
18 and over	9,373	76.4%
65 and over	2,080	17.0%
Median age	37.8 years

Race & ethnicity

White 92.7%

Two or more races 3.1%

Hispanic or Latino 3%

Black or African American 0.6%

Other race 0.6%

Group	Count	%
White	11,724	92.7%
Two or more races	386	3.1%
Hispanic or Latino	378	3%
Black or African American	80	0.6%
Other race	74	0.6%

Household income

Under $10k 6.3%

$10k–$15k 4.2%

$15k–$25k 6.0%

$25k–$35k 6.0%

$35k–$50k 7.1%

$50k–$75k 12.2%

$75k–$100k 12.3%

$100k–$150k 15.2%

$150k–$200k 17.9%

$200k+ 12.8%

Range	% of households
Under $10k	6.3%
$10k–$15k	4.2%
$15k–$25k	6.0%
$25k–$35k	6.0%
$35k–$50k	7.1%
$50k–$75k	12.2%
$75k–$100k	12.3%
$100k–$150k	15.2%
$150k–$200k	17.9%
$200k+	12.8%
Median income	$91,833

Housing

Home values

Under $50k 3.3%

$50k–$100k 3.5%

$100k–$150k 8.5%

$150k–$200k 22.4%

$200k–$300k 27.3%

$300k–$500k 25.1%

$500k–$1M 9.9%

Housing overview

Metric	Value
Median home value	$242,200
Median rent / month	$1,001
Owner occupied	75.0%
Renter occupied	25.0%
Vacant	6.0%
Single-family detached	71.6%
Large apartment buildings	0.5%
Mobile homes	3.5%
Median rooms	6.2
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	0.0%
2010–2019	0.3%
2000–2009	17.1%
1990–1999	14.8%
1980–1989	15.1%
1970–1979	12.4%
1960–1969	14.1%
1950–1959	6.8%
1940–1949	1.4%
1939 or earlier	18.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	7.5%
2 bedrooms	23.0%
3 bedrooms	43.1%
4 bedrooms	22.8%
5+ bedrooms	2.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	30.8%
2 vehicles	31.9%
3 or more	34.4%

Heating fuel

Fuel type	%
Utility gas	73.1%
Electricity	16.8%
Propane / LP gas	8.2%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	2,580	56.7%
Cohabiting couple	316	6.9%
Male householder, no spouse	655	14.4%
Female householder, no spouse	996	21.9%
Households with children under 18	1,579	34.7%
Households with seniors (65+)	1,509	33.2%
Average household size	2.68

Marital status

Status	Male	Female
Never married	33.9%	32.3%
Married	56.5%	52.3%
Separated	1.1%	0.4%
Widowed	2.7%	9.2%
Divorced	5.7%	5.7%

Education

Less than 9th grade 2.2%

Some HS, no diploma 4.3%

HS graduate 33.8%

Some college, no degree 26.6%

Associate's degree 7.4%

Bachelor's degree 18.4%

Graduate / professional 7.3%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	25.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	184	6.9%
Kindergarten	336	12.7%
Elementary school	824	31.0%
High school	668	25.2%
College / grad school	642	24.2%

Employment

Industry of employment

Education & healthcare 19.7%

Manufacturing 17.7%

Retail trade 15.3%

Construction 8.2%

Professional & management 7.7%

Public administration 6.9%

Other services 5.8%

Arts, food & hospitality 5.0%

Wholesale trade 3.8%

Finance & real estate 3.6%

Agriculture & mining 3.2%

Transportation & utilities 2.7%

Information 0.5%

Occupation

Category	%
Management, business & arts	34.1%
Service	15.4%
Sales & office	19.6%
Natural resources & construction	16.8%
Production & transportation	14.1%

Employment type

Type	%
Private sector	80.7%
Government	14.6%
Self-employed	4.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.1%
Carpool	7.3%
Public transit	0.2%
Walk	0.8%
Other means	0.2%
Avg commute (minutes)	28.8

Poverty

All people 10.1%

Under 18 years 16.9%

18 and over 8.1%

Married-couple families 3.6%

Female-led households 47.4%

Income support

Source	% of households
Social Security	34.6%
Retirement income	25.9%
Supplemental Security	2.8%
Cash public assistance	3.1%
Food stamps / SNAP	7.7%

Health indicators

Condition	%
High blood pressure	29.8%
High cholesterol	31.0%
Heart disease	5.6%
Stroke	2.6%
Asthma	9.2%
Arthritis	23.6%
Kidney disease	2.5%
Pulmonary disease	6.1%
Cancer	6.4%

Behavior / access	%
Binge drinking	15.9%
No physical activity	22.5%
Less than 7 hrs sleep	32.5%
Fair or poor health	12.1%
Poor mental health	12.1%
Poor physical health	8.8%
No health insurance	10.6%
Visited doctor (checkup)	75.4%
Visited dentist	70.3%
Cholesterol screening	90.2%
Teeth loss	11.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	664	7.1%

Disability	%
Any disability	10.1%
Under 18	1.5%
18–64 years	6.8%
65 and over	33.8%

Health insurance coverage

Type	%
Private insurance	79.4%
Public insurance	30.2%
Uninsured under 19	6.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,339	92.5%
Spanish	491	4.3%
Other Indo-European	430	3.8%
Asian & Pacific Islander	50	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,535	94.1%
Born in same state	11,468	93.5%
Born in different state	9,905	80.8%
Foreign born	67	0.5%
Naturalized citizen	729	5.9%
Not a US citizen	486	66.7%

Ancestry

Ancestry	Count	%
Italian	1,946	15.9%
French	806	6.6%
Arab	340	2.8%
Dutch	202	1.6%

Ancestry	Count	%
Polish	191	1.6%
English	89	0.7%
Irish	75	0.6%
Norwegian	48	0.4%

Technology access

Metric	% of households
Computer access	37.1%
Internet access	94.9%

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

Frequently asked questions

What ZIP codes does Marengo, IL have?

Marengo, IL has one ZIP code: 60152. Each ZIP code serves a distinct delivery area within the city and surrounding region.