46303 ZIP Code — Cedar Lake, IN

Lake County, Indiana

ZIP code 46303 is located in Cedar Lake, Indiana, within Lake County. It covers approximately 28.72 square miles and serves a population of 16,859 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 219.

About ZIP code 46303

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $247,000. Owner-occupancy is high at 83%, well above the national average.

Median household income is $88,571. The poverty rate of 5% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 35 minutes is near the national average.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 46303 reflects a community defined by high homeownership and a significant Social Security-dependent population.

16,859

population

28.72

sq mi land

Standard

ZIP type

Central (CT)

timezone

46303 ZIP code map

Cities in ZIP code 46303

Below are the cities the US Postal Service accepts for ZIP code 46303. Using any city not on this list may result in mail delivery delays.

City	Status
Cedar Lake	Preferred

Nearby ZIP codes

46373 Saint John (5.3 mi) 46311 Dyer (6.3 mi) 46307 Crown Point (7.4 mi) 46375 Schererville (8 mi) 60417 Crete (8 mi) 60401 Beecher (8.1 mi) 46356 Lowell (8.7 mi) 46319 Griffith (10.5 mi) 46410 Merrillville (10.7 mi) 60475 Steger (11.1 mi) 60411 Chicago Heights (12 mi) 46322 Highland (12 mi)

Demographics updated 05/2026

Population
Total population	16,859
Population density	587 / sq mi
State FIPS	18
County FIPS	089

Geography
Land area	28.72 sq mi
Water area	1.44 sq mi
Latitude	41.3736
Longitude	-87.4644
Timezone	Central (CT)
Area code	219

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.7%	43.6%	42.9%
$50k – $100k	35.2%	31.1%	32.7%
$100k – $200k	26.0%	21.2%	19.8%
Over $200k	5.2%	4.1%	4.5%

Demographics & statistics

16,859

Population

587

People per sq mi

39.1

Median age

$88,571

Median household income

$40,212

Per capita income

$247,000

Median home value

$1,176

Median monthly rent

82.6%

Home ownership

4.9%

Poverty rate

5.6%

Unemployment

5,818

Housing units

23.1%

Bachelor's or higher

Age distribution

Male Female

503

Under 5

511

570

5–9

579

603

10–14

612

525

15–19

532

433

20–24

439

1,193

25–34

1,211

972

35–44

987

1,086

45–54

1,103

423

55–59

430

660

60–64

670

820

65–74

832

421

75–84

427

157

85+

160

← Male

Female →

Age summary

Group	Count	%
Under 18	3,972	23.6%
18 and over	12,887	76.4%
65 and over	2,817	16.7%
Median age	39.1 years

Race & ethnicity

White 93%

Two or more races 3.6%

Hispanic or Latino 2%

Other race 0.9%

Asian 0.5%

Black or African American 0.1%

Group	Count	%
White	15,995	93%
Two or more races	616	3.6%
Hispanic or Latino	346	2%
Other race	149	0.9%
Asian	84	0.5%
Black or African American	15	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.7%	43.6%	42.9%
$50k – $100k	35.2%	31.1%	32.7%
$100k – $200k	26.0%	21.2%	19.8%
Over $200k	5.2%	4.1%	4.5%

Under $10k 2.1%

$10k–$15k 1.9%

$15k–$25k 6.4%

$25k–$35k 5.0%

$35k–$50k 11.6%

$50k–$75k 18.0%

$75k–$100k 14.1%

$100k–$150k 19.0%

$150k–$200k 9.8%

$200k+ 12.1%

Range	% of households
Under $10k	2.1%
$10k–$15k	1.9%
$15k–$25k	6.4%
$25k–$35k	5.0%
$35k–$50k	11.6%
$50k–$75k	18.0%
$75k–$100k	14.1%
$100k–$150k	19.0%
$150k–$200k	9.8%
$200k+	12.1%
Median income	$88,571

Housing

Home values

Under $50k 1.9%

$50k–$100k 5.2%

$100k–$150k 11.9%

$150k–$200k 12.8%

$200k–$300k 33.5%

$300k–$500k 29.3%

$500k–$1M 4.7%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$247,000
Median rent / month	$1,176
Owner occupied	82.6%
Renter occupied	17.4%
Vacant	10.3%
Single-family detached	81.8%
Large apartment buildings	0.2%
Mobile homes	1.3%
Median rooms	6.0
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	1.9%
2010–2019	15.7%
2000–2009	23.1%
1990–1999	8.6%
1980–1989	6.4%
1970–1979	11.0%
1960–1969	6.3%
1950–1959	9.8%
1940–1949	6.6%
1939 or earlier	10.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	2.9%
2 bedrooms	26.1%
3 bedrooms	48.9%
4 bedrooms	17.9%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	30.1%
2 vehicles	42.6%
3 or more	25.5%

Heating fuel

Fuel type	%
Utility gas	86.6%
Electricity	6.5%
Propane / LP gas	3.8%
Fuel oil	0.8%
Wood	2.0%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	3,666	59.3%
Cohabiting couple	488	7.9%
Male householder, no spouse	823	13.3%
Female householder, no spouse	1,207	19.5%
Households with children under 18	1,853	30.0%
Households with seniors (65+)	1,835	29.7%
Average household size	2.72

Marital status

Status	Male	Female
Never married	29.0%	25.8%
Married	56.6%	55.8%
Separated	0.4%	1.2%
Widowed	5.2%	7.8%
Divorced	8.9%	9.4%

Education

Less than 9th grade 1.4%

Some HS, no diploma 3.6%

HS graduate 35.8%

Some college, no degree 26.2%

Associate's degree 10.0%

Bachelor's degree 15.1%

Graduate / professional 8.0%

Metric	%
HS diploma or higher	95.0%
Bachelor's or higher	23.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	203	5.3%
Kindergarten	301	7.8%
Elementary school	1,800	46.7%
High school	776	20.1%
College / grad school	774	20.1%

Employment

Industry of employment

Manufacturing 17.5%

Education & healthcare 16.8%

Professional & management 10.5%

Construction 10.4%

Retail trade 8.8%

Finance & real estate 8.0%

Transportation & utilities 7.4%

Arts, food & hospitality 7.3%

Other services 5.6%

Public administration 3.9%

Wholesale trade 2.7%

Agriculture & mining 0.7%

Information 0.5%

Occupation

Category	%
Management, business & arts	29.0%
Service	17.3%
Sales & office	24.3%
Natural resources & construction	10.6%
Production & transportation	18.8%

Employment type

Type	%
Private sector	88.9%
Government	7.7%
Self-employed	3.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.6%
Carpool	6.2%
Public transit	0.5%
Walk	0.5%
Work from home	5.6%
Other means	2.6%
Avg commute (minutes)	34.7

Poverty

All people 4.9%

Under 18 years 4.1%

18 and over 5.2%

Married-couple families 2.7%

Female-led households 14.6%

Income support

Source	% of households
Social Security	31.7%
Retirement income	24.4%
Supplemental Security	3.7%
Cash public assistance	1.1%
Food stamps / SNAP	3.3%

Health indicators

Condition	%
Obesity	36.2%
High blood pressure	28.9%
High cholesterol	29.2%
Diabetes	9.4%
Heart disease	5.5%
Stroke	2.5%
Asthma	9.7%
Arthritis	24.5%
Kidney disease	2.4%
Pulmonary disease	6.9%
Cancer	5.7%

Behavior / access	%
Smoking	20.8%
Binge drinking	19.4%
No physical activity	24.1%
Less than 7 hrs sleep	33.8%
Depression	21.8%
Fair or poor health	13.9%
Poor mental health	15.6%
Poor physical health	10.2%
No health insurance	13.2%
Visited doctor (checkup)	72.8%
Visited dentist	63.5%
Cholesterol screening	88.4%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	893	6.9%

Disability	%
Any disability	11.4%
Under 18	1.6%
18–64 years	9.4%
65 and over	32.4%

Health insurance coverage

Type	%
Private insurance	80.7%
Public insurance	26.8%
No insurance	5.1%
Uninsured under 19	5.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	15,845	94.0%
Spanish	79	0.5%
Other Indo-European	61	0.4%
Asian & Pacific Islander	18	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,474	97.7%
Born in same state	16,459	97.6%
Born in different state	9,143	54.2%
Foreign born	15	0.1%
Naturalized citizen	385	2.3%
Not a US citizen	291	75.6%

Ancestry

Ancestry	Count	%
Italian	3,262	19.3%
French	1,688	10%
English	1,407	8.3%
Arab	259	1.5%
Irish	206	1.2%

Ancestry	Count	%
Norwegian	115	0.7%
German	56	0.3%
Polish	52	0.3%
Dutch	34	0.2%

Technology access

Metric	% of households
Computer access	36.7%
Internet access	94.5%

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

Frequently asked questions about ZIP code 46303

What city is ZIP code 46303 in?

ZIP code 46303 is primarily assigned to Cedar Lake, Indiana.

What county is ZIP code 46303 in?

ZIP code 46303 falls within Lake County, Indiana.

Is ZIP code 46303 mostly owner-occupied?

83% of occupied units in ZIP code 46303 are owner-occupied, well above the national average.

What is the population of ZIP code 46303?

ZIP code 46303 has an estimated population of 16,859 residents, with a density of 587 people per square mile.

What is the median household income in ZIP code 46303?

The median household income in ZIP code 46303 is $88,571, above the national median of ~$75,000.

What is the typical home value in ZIP code 46303?

The median home value in ZIP code 46303 is $247,000.

What timezone is ZIP code 46303 in?

ZIP code 46303 observes the CST timezone.