46322 ZIP Code — Highland, IN

Lake County, Indiana

ZIP code 46322 is located in Highland, Indiana, within Lake County. It covers approximately 6.90 square miles and serves a population of 23,794 residents. This is a po box ZIP code in the Central (CT) timezone, served by area code 219.

About ZIP code 46322

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $197,700. Owner-occupancy is high at 79%, well above the national average.

Median household income is $74,991. 35% 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 25 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Overall, ZIP code 46322 reflects a community defined by high homeownership and a significant Social Security-dependent population.

23,794

population

6.90

sq mi land

PO Box

ZIP type

Central (CT)

timezone

46322 ZIP code map

Cities in ZIP code 46322

Below are the cities the US Postal Service accepts for ZIP code 46322. Using any city not on this list may result in mail delivery delays.

City	Status
Highland	Acceptable
Highland	Preferred

Nearby ZIP codes

46321 Munster (2.4 mi) 46319 Griffith (2.5 mi) 46323 Hammond (2.9 mi) 46324 Hammond (3.3 mi) 46375 Schererville (4.1 mi) 46408 Gary (4.2 mi) 46406 Gary (4.7 mi) 46404 Gary (4.8 mi) 60438 Lansing (5.3 mi) 46311 Dyer (6.3 mi) 46373 Saint John (6.7 mi) 60409 Calumet City (6.7 mi)

Demographics updated 06/2026

Population
Total population	23,794
Population density	3,448 / sq mi
State FIPS	18
County FIPS	089

Geography
Land area	6.90 sq mi
Water area	0.04 sq mi
Latitude	41.5466
Longitude	-87.4568
Timezone	Central (CT)
Area code	219

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.4%	43.6%	42.9%
$50k – $100k	34.2%	31.1%	32.7%
$100k – $200k	25.7%	21.2%	19.8%
Over $200k	3.7%	4.1%	4.5%

Demographics & statistics

23,794

Population

3,448

People per sq mi

42.4

Median age

$74,991

Median household income

$38,253

Per capita income

$197,700

Median home value

$1,216

Median monthly rent

79.0%

Home ownership

9.1%

Poverty rate

5.0%

Unemployment

8,377

Housing units

30.3%

Bachelor's or higher

Age distribution

Male Female

688

Under 5

735

458

5–9

490

692

10–14

740

717

15–19

767

624

20–24

667

1,499

25–34

1,601

1,401

35–44

1,496

1,609

45–54

1,720

895

55–59

956

794

60–64

848

1,155

65–74

1,234

562

75–84

601

409

85+

436

← Male

Female →

Age summary

Group	Count	%
Under 18	4,809	20.2%
18 and over	18,985	79.8%
65 and over	4,397	18.5%
Median age	42.4 years

Race & ethnicity

White 68%

Hispanic or Latino 10.1%

Black or African American 7.7%

Two or more races 7%

Other race 5.1%

Asian 1.9%

American Indian / Alaska Native 0.2%

Group	Count	%
White	17,996	68%
Hispanic or Latino	2,686	10.1%
Black or African American	2,029	7.7%
Two or more races	1,866	7%
Other race	1,338	5.1%
Asian	515	1.9%
American Indian / Alaska Native	50	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.4%	43.6%	42.9%
$50k – $100k	34.2%	31.1%	32.7%
$100k – $200k	25.7%	21.2%	19.8%
Over $200k	3.7%	4.1%	4.5%

Under $10k 4.0%

$10k–$15k 3.0%

$15k–$25k 4.9%

$25k–$35k 7.0%

$35k–$50k 13.3%

$50k–$75k 17.8%

$75k–$100k 15.6%

$100k–$150k 20.0%

$150k–$200k 8.8%

$200k+ 5.6%

Range	% of households
Under $10k	4.0%
$10k–$15k	3.0%
$15k–$25k	4.9%
$25k–$35k	7.0%
$35k–$50k	13.3%
$50k–$75k	17.8%
$75k–$100k	15.6%
$100k–$150k	20.0%
$150k–$200k	8.8%
$200k+	5.6%
Median income	$74,991

Housing

Home values

Under $50k 1.9%

$50k–$100k 1.6%

$100k–$150k 13.0%

$150k–$200k 35.3%

$200k–$300k 37.4%

$300k–$500k 9.1%

$500k–$1M 1.4%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$197,700
Median rent / month	$1,216
Owner occupied	79.0%
Renter occupied	21.0%
Vacant	4.1%
Single-family detached	72.3%
Large apartment buildings	6.1%
Mobile homes	0.7%
Median rooms	5.6
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.0%
2010–2019	2.7%
2000–2009	8.8%
1990–1999	8.4%
1980–1989	6.1%
1970–1979	13.0%
1960–1969	22.3%
1950–1959	25.3%
1940–1949	7.5%
1939 or earlier	5.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	6.5%
2 bedrooms	27.7%
3 bedrooms	48.4%
4 bedrooms	14.1%
5+ bedrooms	2.5%

Vehicles per household

Vehicles	% of households
No vehicle	4.6%
1 vehicle	36.8%
2 vehicles	39.1%
3 or more	19.5%

Heating fuel

Fuel type	%
Utility gas	85.1%
Electricity	13.2%
Propane / LP gas	1.0%
Fuel oil	0.2%
Wood	0.2%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	4,591	45.6%
Cohabiting couple	640	6.4%
Male householder, no spouse	1,830	18.2%
Female householder, no spouse	3,002	29.8%
Households with children under 18	2,894	28.8%
Households with seniors (65+)	3,278	32.6%
Average household size	2.36

Marital status

Status	Male	Female
Never married	32.6%	30.8%
Married	49.7%	44.5%
Separated	0.6%	1.2%
Widowed	4.2%	10.3%
Divorced	13.0%	13.2%

Education

Less than 9th grade 2.5%

Some HS, no diploma 3.8%

HS graduate 31.4%

Some college, no degree 24.0%

Associate's degree 8.0%

Bachelor's degree 19.6%

Graduate / professional 10.7%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	30.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	257	5.1%
Kindergarten	214	4.3%
Elementary school	1,986	39.7%
High school	1,323	26.5%
College / grad school	1,217	24.4%

Employment

Industry of employment

Education & healthcare 26.7%

Manufacturing 14.3%

Retail trade 11.6%

Transportation & utilities 9.2%

Professional & management 8.9%

Arts, food & hospitality 7.1%

Construction 5.4%

Finance & real estate 4.5%

Public administration 4.0%

Other services 3.6%

Wholesale trade 3.1%

Information 1.2%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	34.6%
Service	15.5%
Sales & office	26.3%
Natural resources & construction	7.6%
Production & transportation	16.1%

Employment type

Type	%
Private sector	85.6%
Government	12.7%
Self-employed	1.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.0%
Carpool	4.1%
Public transit	1.9%
Walk	0.7%
Work from home	4.1%
Other means	2.1%
Avg commute (minutes)	25.3

Poverty

All people 9.1%

Under 18 years 13.6%

18 and over 8.0%

Married-couple families 4.6%

Female-led households 15.8%

Income support

Source	% of households
Social Security	35.1%
Retirement income	29.2%
Supplemental Security	4.4%
Cash public assistance	0.9%
Food stamps / SNAP	4.9%

Health indicators

Condition	%
Obesity	34.9%
High blood pressure	31.8%
High cholesterol	31.1%
Diabetes	10.8%
Heart disease	6.6%
Stroke	2.9%
Asthma	9.3%
Arthritis	27.3%
Kidney disease	2.8%
Pulmonary disease	7.0%
Cancer	7.2%

Behavior / access	%
Smoking	17.1%
Binge drinking	17.0%
No physical activity	24.5%
Less than 7 hrs sleep	32.2%
Depression	19.8%
Fair or poor health	14.1%
Poor mental health	13.9%
Poor physical health	10.1%
No health insurance	13.2%
Visited doctor (checkup)	75.5%
Visited dentist	66.0%
Cholesterol screening	90.5%
Teeth loss	12.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,252	6.6%

Disability	%
Any disability	10.7%
Under 18	3.4%
18–64 years	6.6%
65 and over	32.2%

Health insurance coverage

Type	%
Private insurance	73.8%
Public insurance	34.2%
No insurance	4.9%
Uninsured under 19	4.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	22,371	94.0%
Spanish	938	4.2%
Other Indo-European	487	2.2%
Asian & Pacific Islander	323	1.4%
Other languages	27	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,980	92.4%
Born in same state	21,740	91.4%
Born in different state	14,401	60.5%
Foreign born	240	1.0%
Naturalized citizen	1,814	7.6%
Not a US citizen	1,107	61.0%

Ancestry

Ancestry	Count	%
Italian	2,453	10.3%
French	1,719	7.2%
English	1,204	5.1%
Arab	584	2.5%
Irish	482	2%

Ancestry	Count	%
Polish	235	1%
Norwegian	124	0.5%
German	40	0.2%
Dutch	34	0.1%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	92.6%

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

Frequently asked questions about ZIP code 46322

What city is ZIP code 46322 in?

ZIP code 46322 is primarily assigned to Highland, Indiana.

What county is ZIP code 46322 in?

ZIP code 46322 falls within Lake County, Indiana.

Does ZIP code 46322 have a large retiree population?

35% of households in ZIP code 46322 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 46322?

ZIP code 46322 has an estimated population of 23,794 residents, with a density of 3,449 people per square mile.

What is the typical home value in ZIP code 46322?

The median home value in ZIP code 46322 is $197,700.

What is the median household income in ZIP code 46322?

The median household income in ZIP code 46322 is $74,991, below the national median of ~$75,000.

What timezone is ZIP code 46322 in?

ZIP code 46322 observes the CST timezone.