Merrillville ZIP Codes — Lake County, IN

There are 2 unique ZIP codes in Merrillville, Indiana. Area code: 219.

ZIP codes

30.05

sq mi land

0.04

sq mi water

219

area code

Merrillville, IN ZIP code map

About Merrillville, IN

Merrillville, Indiana, is a charming suburban town located in the heart of Lake County. Known for its family-friendly atmosphere, this city offers a unique blend of residential areas and commercial opportunities. With its well-planned communities and amenities, Merrillville provides a comfortable environment for its residents and visitors alike.

Location & geography

Merrillville spans an area of 60.10 square miles, with a minimal water area of 0.08 square miles. It is conveniently located just south of Gary, approximately 10 miles away, and is about 30 miles from Chicago, Illinois. The terrain is primarily flat, characteristic of the Northern Indiana landscape, with easy access to surrounding urban areas.

Community & economy

Merrillville fosters a welcoming and diverse community spirit, featuring a mix of residential neighborhoods and commercial districts. The local economy is supported by various industries, including retail, healthcare, and manufacturing, with numerous shopping centers and dining options available for residents. Daily life in Merrillville is enriched by inclusive community events, parks, and recreational activities.

Transportation

Access to Merrillville is facilitated by major highways such as Interstate 65, which runs north-south, and U.S. Route 30, providing connectivity to neighboring cities. The nearest major airport is Gary/Chicago International Airport, located approximately 15 miles away, while regional bus services offer public transit options within the area. Residents often rely on personal vehicles for commuting.

History

Merrillville was officially incorporated in 1971, but its origins date back to the 19th century when it was established as a small farming community. Key industries historically included agriculture and later expanded into manufacturing as the area grew. Notable events in the town’s development include the establishment of the Southlake Mall, which played a significant role in transforming Merrillville into a commercial hub.

Did you know?

One surprising fact about Merrillville is that it is home to the historic site of the former United States Steel's South Works, which was a significant contributor to the area's economic growth. Additionally, the city is known for its vibrant cultural scene, including events that celebrate its diverse heritage.

ZIP codes for Merrillville, IN (2)

ZIP code	City	County	Map
46410	Merrillville	Lake	View map
46411	Merrillville	Lake	View map

Demographics & statistics

39,121

Population

39.0

Median age

$60,432

Median household income

$33,764

Per capita income

$176,000

Median home value

$1,206

Median monthly rent

62.6%

Home ownership

15.2%

Poverty rate

9.1%

Unemployment

11,365

Housing units

23.4%

Bachelor's or higher

Age distribution

Male Female

1,014

Under 5

1,086

1,232

5–9

1,320

1,075

10–14

1,151

1,280

15–19

1,371

1,375

20–24

1,473

2,370

25–34

2,538

2,220

35–44

2,376

2,327

45–54

2,491

1,279

55–59

1,370

1,090

60–64

1,168

2,176

65–74

2,330

1,066

75–84

1,142

387

85+

414

← Male

Female →

Age summary

Group	Count	%
Under 18	8,684	22.2%
18 and over	30,437	77.8%
65 and over	7,515	19.2%
Median age	39.0 years

Race & ethnicity

Black or African American 42.4%

White 33%

Hispanic or Latino 10.2%

Two or more races 8.5%

Other race 4.4%

Asian 1.4%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
Black or African American	18,457	42.4%
White	14,383	33%
Hispanic or Latino	4,420	10.2%
Two or more races	3,702	8.5%
Other race	1,922	4.4%
Asian	615	1.4%
Native Hawaiian / Pacific Islander	26	0.1%

Household income

Under $10k 6.4%

$10k–$15k 4.9%

$15k–$25k 10.6%

$25k–$35k 9.1%

$35k–$50k 12.9%

$50k–$75k 15.0%

$75k–$100k 16.1%

$100k–$150k 15.1%

$150k–$200k 4.6%

$200k+ 5.3%

Range	% of households
Under $10k	6.4%
$10k–$15k	4.9%
$15k–$25k	10.6%
$25k–$35k	9.1%
$35k–$50k	12.9%
$50k–$75k	15.0%
$75k–$100k	16.1%
$100k–$150k	15.1%
$150k–$200k	4.6%
$200k+	5.3%
Median income	$60,432

Housing

Home values

Under $50k 4.6%

$50k–$100k 8.5%

$100k–$150k 19.9%

$150k–$200k 33.2%

$200k–$300k 25.3%

$300k–$500k 7.7%

$500k–$1M 0.5%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$176,000
Median rent / month	$1,206
Owner occupied	62.6%
Renter occupied	37.4%
Vacant	5.6%
Single-family detached	56.8%
Large apartment buildings	11.3%
Mobile homes	1.4%
Median rooms	5.4
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.7%
2010–2019	5.1%
2000–2009	15.1%
1990–1999	17.7%
1980–1989	8.0%
1970–1979	15.8%
1960–1969	17.8%
1950–1959	11.1%
1940–1949	5.0%
1939 or earlier	3.9%

Bedrooms

Size	% of units
No bedroom (studio)	2.1%
1 bedroom	15.5%
2 bedrooms	28.0%
3 bedrooms	36.3%
4 bedrooms	14.8%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	8.8%
1 vehicle	43.1%
2 vehicles	31.7%
3 or more	16.4%

Heating fuel

Fuel type	%
Utility gas	82.8%
Electricity	14.1%
Propane / LP gas	2.3%
Fuel oil	0.2%
Wood	0.1%
Solar	0.1%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	5,124	30.9%
Cohabiting couple	1,221	7.4%
Male householder, no spouse	4,043	24.4%
Female householder, no spouse	6,189	37.3%
Households with children under 18	4,483	27.0%
Households with seniors (65+)	5,888	35.5%
Average household size	2.33

Marital status

Status	Male	Female
Never married	43.7%	38.0%
Married	37.8%	33.0%
Separated	1.9%	1.8%
Widowed	3.9%	11.9%
Divorced	12.6%	15.3%

Education

Less than 9th grade 3.2%

Some HS, no diploma 4.7%

HS graduate 36.7%

Some college, no degree 24.3%

Associate's degree 7.7%

Bachelor's degree 15.5%

Graduate / professional 7.9%

Metric	%
HS diploma or higher	92.1%
Bachelor's or higher	23.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	345	4.0%
Kindergarten	553	6.4%
Elementary school	3,695	42.7%
High school	2,088	24.1%
College / grad school	1,978	22.8%

Employment

Industry of employment

Education & healthcare 22.2%

Manufacturing 15.7%

Retail trade 12.4%

Professional & management 10.4%

Transportation & utilities 10.3%

Arts, food & hospitality 9.1%

Other services 5.4%

Construction 5.3%

Finance & real estate 4.3%

Public administration 2.4%

Wholesale trade 1.6%

Information 0.5%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	29.1%
Service	19.1%
Sales & office	19.4%
Natural resources & construction	11.6%
Production & transportation	20.8%

Employment type

Type	%
Private sector	85.1%
Government	9.4%
Self-employed	5.3%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	82.5%
Carpool	5.7%
Public transit	1.8%
Walk	0.9%
Other means	3.0%
Avg commute (minutes)	31.7

Poverty

All people 15.2%

Under 18 years 21.0%

18 and over 13.5%

Married-couple families 5.5%

Female-led households 26.7%

Income support

Source	% of households
Social Security	38.2%
Retirement income	27.0%
Supplemental Security	5.3%
Cash public assistance	1.9%
Food stamps / SNAP	12.0%

Health indicators

Condition	%
High blood pressure	35.8%
High cholesterol	29.4%
Heart disease	6.3%
Stroke	3.4%
Asthma	10.6%
Arthritis	26.8%
Kidney disease	3.1%
Pulmonary disease	7.0%
Cancer	6.0%

Behavior / access	%
Binge drinking	15.2%
No physical activity	29.2%
Less than 7 hrs sleep	37.8%
Fair or poor health	18.0%
Poor mental health	15.1%
Poor physical health	11.2%
No health insurance	16.5%
Visited doctor (checkup)	77.8%
Visited dentist	58.8%
Cholesterol screening	90.1%
Teeth loss	16.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,174	7.1%

Disability	%
Any disability	14.8%
Under 18	2.4%
18–64 years	13.2%
65 and over	34.7%

Health insurance coverage

Type	%
Private insurance	65.5%
Public insurance	44.0%
Uninsured under 19	3.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	37,021	94.6%
Spanish	737	2.0%
Other Indo-European	369	1.0%
Asian & Pacific Islander	178	0.5%
Other languages	130	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	36,771	94.0%
Born in same state	36,587	93.5%
Born in different state	21,205	54.2%
Foreign born	184	0.5%
Naturalized citizen	2,350	6.0%
Not a US citizen	1,218	51.8%

Ancestry

Ancestry	Count	%
Italian	2,268	5.8%
French	1,184	3%
Arab	828	2.1%
English	467	1.2%

Ancestry	Count	%
Irish	194	0.5%
Polish	148	0.4%
Norwegian	69	0.2%
German	17	0%

Technology access

Metric	% of households
Computer access	42.4%
Internet access	91.9%

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

Frequently asked questions

What ZIP codes does Merrillville, IN have?

Merrillville, IN has one ZIP code: 46410. Each ZIP code serves a distinct delivery area within the city and surrounding region.