Hammond ZIP Code List — Lake County, IN

There are 5 unique ZIP codes in Hammond, Indiana. Area code: 219.

ZIP codes

19.82

sq mi land

0.17

sq mi water

219

area code

Hammond, IN ZIP code map

About Hammond, IN

Hammond, Indiana, is a vibrant city located in Lake County, known for its diverse community and rich industrial history. With its strategic location near the Indiana-Illinois border, the city serves as a significant hub for commerce and transportation. Residents enjoy a blend of urban amenities and suburban charm, making Hammond a unique place to live and visit.

Location & geography

Hammond is situated approximately 30 miles southeast of downtown Chicago, making it an accessible location for those commuting to the city. Neighboring cities include East Chicago, which is just 2 miles to the west, Whiting at 3 miles to the northeast, and Munster approximately 4 miles to the south. The city covers a land area of 19.82 square miles, with a small water area of 0.17 square miles, contributing to its varied terrain.

Community & economy

The character of Hammond reflects a diverse population that embraces a family-friendly atmosphere. The city's economy is supported by various industries, including manufacturing and logistics, influenced by its proximity to major transportation routes. Daily life in Hammond includes local events, parks, and recreational opportunities, creating a strong sense of community among its residents.

Transportation

Hammond is conveniently accessed via several major highways, including Interstate 80 and Interstate 94, facilitating easy travel across the region. The nearest named airport is the Chicago Midway International Airport, located about 30 miles away, while local bus services provide public transportation options within the city. These transportation links enhance Hammond's connectivity and accessibility for both residents and visitors.

History

Founded in the late 19th century, Hammond was initially established as a rail town and quickly developed due to its industrial growth, particularly in the steel and manufacturing sectors. The city played a significant role in the post-war industrial boom, contributing to its economic landscape for decades. Notable events in Hammond's history include the establishment of the Hammond Civic Center and the ongoing revitalization of its historic downtown.

Did you know?

A surprising fact about Hammond is that it is home to the Indiana Welcome Center, a destination that provides visitors with insights into the state's attractions. Additionally, the city has a rich connection to the arts, hosting numerous cultural events and performances throughout the year.

ZIP codes for Hammond, IN (5)

ZIP code	City	County	Map
46320	Hammond	Lake	View map
46323	Hammond	Lake	View map
46324	Hammond	Lake	View map
46325	Hammond	Lake	View map
46327	Hammond	Lake	View map

Demographics & statistics

69,847

Population

35.8

Median age

$51,820

Median household income

$25,206

Per capita income

$117,650

Median home value

$1,026

Median monthly rent

59.7%

Home ownership

23.0%

Poverty rate

7.2%

Unemployment

18,810

Housing units

13.2%

Bachelor's or higher

Age distribution

Male Female

1,814

Under 5

1,873

2,169

5–9

2,240

2,699

10–14

2,787

2,881

15–19

2,975

2,454

20–24

2,534

4,609

25–34

4,760

5,009

35–44

5,173

3,850

45–54

3,976

2,264

55–59

2,339

2,370

60–64

2,447

2,525

65–74

2,607

1,117

75–84

1,153

601

85+

621

← Male

Female →

Age summary

Group	Count	%
Under 18	16,867	24.5%
18 and over	52,980	75.5%
65 and over	8,624	12.1%
Median age	35.8 years

Race & ethnicity

White 30.5%

Hispanic or Latino 24.3%

Other race 19.3%

Black or African American 18.4%

Two or more races 6.3%

Asian 0.8%

American Indian / Alaska Native 0.5%

Group	Count	%
White	28,095	30.5%
Hispanic or Latino	22,369	24.3%
Other race	17,818	19.3%
Black or African American	16,927	18.4%
Two or more races	5,834	6.3%
Asian	737	0.8%
American Indian / Alaska Native	431	0.5%

Household income

Under $10k 8.8%

$10k–$15k 4.6%

$15k–$25k 10.7%

$25k–$35k 10.6%

$35k–$50k 16.6%

$50k–$75k 18.6%

$75k–$100k 13.6%

$100k–$150k 11.7%

$150k–$200k 2.8%

$200k+ 2.1%

Range	% of households
Under $10k	8.8%
$10k–$15k	4.6%
$15k–$25k	10.7%
$25k–$35k	10.6%
$35k–$50k	16.6%
$50k–$75k	18.6%
$75k–$100k	13.6%
$100k–$150k	11.7%
$150k–$200k	2.8%
$200k+	2.1%
Median income	$51,820

Housing

Home values

Under $50k 7.2%

$50k–$100k 28.7%

$100k–$150k 33.3%

$150k–$200k 18.1%

$200k–$300k 10.0%

$300k–$500k 1.8%

$500k–$1M 0.7%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$117,650
Median rent / month	$1,026
Owner occupied	59.7%
Renter occupied	40.3%
Vacant	10.7%
Single-family detached	72.3%
Large apartment buildings	6.1%
Mobile homes	1.1%
Median rooms	5.3
Avg household size (owned)	2.79

Year built

Era	%
2020 or later	0.3%
2010–2019	1.2%
2000–2009	2.2%
1990–1999	3.3%
1980–1989	3.9%
1970–1979	8.9%
1960–1969	9.3%
1950–1959	22.7%
1940–1949	16.7%
1939 or earlier	31.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	11.0%
2 bedrooms	30.4%
3 bedrooms	42.5%
4 bedrooms	11.6%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	10.4%
1 vehicle	37.0%
2 vehicles	35.7%
3 or more	17.0%

Heating fuel

Fuel type	%
Utility gas	87.2%
Electricity	10.4%
Propane / LP gas	1.2%
Wood	0.3%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	9,444	35.6%
Cohabiting couple	2,291	9.0%
Male householder, no spouse	5,563	21.8%
Female householder, no spouse	8,675	33.6%
Households with children under 18	8,451	33.5%
Households with seniors (65+)	6,361	23.9%
Average household size	2.68

Marital status

Status	Male	Female
Never married	48.5%	43.7%
Married	37.7%	33.9%
Separated	2.7%	2.0%
Widowed	2.4%	10.4%
Divorced	8.7%	10.1%

Education

Less than 9th grade 7.0%

Some HS, no diploma 9.8%

HS graduate 42.2%

Some college, no degree 19.9%

Associate's degree 8.0%

Bachelor's degree 9.6%

Graduate / professional 3.6%

Metric	%
HS diploma or higher	83.3%
Bachelor's or higher	13.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	700	4.0%
Kindergarten	647	3.8%
Elementary school	7,903	43.1%
High school	4,770	26.3%
College / grad school	4,397	22.9%

Employment

Industry of employment

Education & healthcare 20.6%

Manufacturing 15.8%

Retail trade 13.3%

Arts, food & hospitality 12.4%

Professional & management 9.5%

Transportation & utilities 8.0%

Construction 6.8%

Other services 4.6%

Finance & real estate 3.4%

Public administration 2.7%

Information 1.5%

Wholesale trade 1.2%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	23.1%
Service	22.2%
Sales & office	20.1%
Natural resources & construction	10.3%
Production & transportation	24.4%

Employment type

Type	%
Private sector	86.1%
Government	9.9%
Self-employed	3.7%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	76.8%
Carpool	11.6%
Public transit	2.6%
Walk	2.2%
Other means	1.8%
Avg commute (minutes)	24.7

Poverty

All people 23.0%

Under 18 years 34.1%

18 and over 19.3%

Married-couple families 12.7%

Female-led households 31.9%

Income support

Source	% of households
Social Security	29.8%
Retirement income	22.6%
Supplemental Security	6.9%
Cash public assistance	3.0%
Food stamps / SNAP	20.1%

Health indicators

Condition	%
High blood pressure	34.3%
High cholesterol	29.1%
Heart disease	6.8%
Stroke	3.6%
Asthma	10.9%
Arthritis	26.2%
Kidney disease	3.4%
Pulmonary disease	8.5%
Cancer	5.2%

Behavior / access	%
Binge drinking	15.7%
No physical activity	35.4%
Less than 7 hrs sleep	38.0%
Fair or poor health	23.3%
Poor mental health	17.0%
Poor physical health	13.7%
No health insurance	24.0%
Visited doctor (checkup)	74.9%
Visited dentist	50.3%
Cholesterol screening	86.5%
Teeth loss	22.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,639	4.7%

Disability	%
Any disability	15.7%
Under 18	7.0%
18–64 years	14.2%
65 and over	41.9%

Health insurance coverage

Type	%
Private insurance	56.3%
Public insurance	41.6%
Uninsured under 19	5.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	66,160	94.6%
Spanish	6,557	11.0%
Other Indo-European	6,151	10.4%
Asian & Pacific Islander	272	0.4%
Other languages	82	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	61,841	87.2%
Born in same state	59,916	84.5%
Born in different state	31,885	44.3%
Foreign born	1,925	2.8%
Naturalized citizen	8,006	12.8%
Not a US citizen	3,740	46.2%

Ancestry

Ancestry	Count	%
Italian	4,242	6.1%
French	2,064	3%
Arab	953	1.4%
English	566	0.8%
Irish	502	0.7%

Ancestry	Count	%
Polish	193	0.3%
Norwegian	81	0.1%
German	25	0%
Dutch	8	0%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	88.6%

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

Frequently asked questions

What ZIP codes does Hammond, IN have?

Hammond, IN has 4 ZIP codes: 46320, 46323, 46324, 46327. Each ZIP code serves a distinct delivery area within the city and surrounding region.

What is the main ZIP code for Hammond, IN?

The primary ZIP code for Hammond, IN is 46320. The city uses area code 219 for phone service.

What county is Hammond, IN in?

Hammond is located in Lake County, Indiana.

How many ZIP codes are in Hammond, IN?

Hammond, IN has 4 ZIP codes.

What ZIP code should I use for mail going to Hammond's downtown business district near City Hall?

Downtown Hammond and the City Hall area are primarily served by ZIP code 46320, which covers the central commercial and civic core of the city.

Which ZIP codes serve the residential neighborhoods near Purdue University Northwest's Hammond campus?

Purdue University Northwest Hammond and the surrounding residential neighborhoods are located in ZIP codes 46323 and 46324, which cover much of the eastern and central portions of Hammond.