46356 ZIP Code — Lowell, IN

Lake County, Indiana

ZIP code 46356 is located in Lowell, Indiana, within Lake County. It covers approximately 112.52 square miles and serves a population of 18,814 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 219.

About ZIP code 46356

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 $246,000. Owner-occupancy is high at 87%, well above the national average.

Median household income is $82,788. 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 education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 46356 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

18,814

population

112.52

sq mi land

Standard

ZIP type

Central (CT)

timezone

46356 ZIP code map

Cities in ZIP code 46356

Below are the cities the US Postal Service accepts for ZIP code 46356. Using any city not on this list may result in mail delivery delays.

City	Status
Lowell	Acceptable
Lowell	Preferred

Nearby ZIP codes

46310 Demotte (8.6 mi) 46303 Cedar Lake (8.7 mi) 46349 Lake Village (10.2 mi) 46307 Crown Point (10.7 mi) 46341 Hebron (11.3 mi) 60940 Grant Park (12.2 mi) 60401 Beecher (12.6 mi) 46373 Saint John (13.9 mi) 60954 Momence (14.7 mi) 46311 Dyer (15 mi) 60417 Crete (15.5 mi) 47943 Fair Oaks (16.2 mi)

Demographics updated 05/2026

Population
Total population	18,814
Population density	167 / sq mi
State FIPS	18
County FIPS	089

Geography
Land area	112.52 sq mi
Water area	0.62 sq mi
Latitude	41.2551
Longitude	-87.4088
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	27.4%	43.6%	42.9%
$50k – $100k	39.2%	31.1%	32.7%
$100k – $200k	29.0%	21.2%	19.8%
Over $200k	4.5%	4.1%	4.5%

Demographics & statistics

18,814

Population

167

People per sq mi

39.8

Median age

$82,788

Median household income

$38,110

Per capita income

$246,000

Median home value

$1,210

Median monthly rent

86.5%

Home ownership

5.4%

Poverty rate

6.5%

Unemployment

6,133

Housing units

17.8%

Bachelor's or higher

Age distribution

Male Female

506

Under 5

497

631

5–9

619

762

10–14

748

702

15–19

689

601

20–24

591

1,080

25–34

1,060

966

35–44

949

1,404

45–54

1,379

737

55–59

724

578

60–64

568

1,187

65–74

1,167

246

75–84

241

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	4,848	25.8%
18 and over	13,966	74.2%
65 and over	3,023	16.1%
Median age	39.8 years

Race & ethnicity

White 85.9%

Hispanic or Latino 6.1%

Two or more races 4.8%

Other race 2.7%

American Indian / Alaska Native 0.4%

Black or African American 0.1%

Group	Count	%
White	17,204	85.9%
Hispanic or Latino	1,216	6.1%
Two or more races	955	4.8%
Other race	550	2.7%
American Indian / Alaska Native	77	0.4%
Black or African American	28	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.4%	43.6%	42.9%
$50k – $100k	39.2%	31.1%	32.7%
$100k – $200k	29.0%	21.2%	19.8%
Over $200k	4.5%	4.1%	4.5%

Under $10k 0.8%

$10k–$15k 0.9%

$15k–$25k 4.1%

$25k–$35k 7.3%

$35k–$50k 8.6%

$50k–$75k 18.4%

$75k–$100k 18.1%

$100k–$150k 23.0%

$150k–$200k 7.8%

$200k+ 11.0%

Range	% of households
Under $10k	0.8%
$10k–$15k	0.9%
$15k–$25k	4.1%
$25k–$35k	7.3%
$35k–$50k	8.6%
$50k–$75k	18.4%
$75k–$100k	18.1%
$100k–$150k	23.0%
$150k–$200k	7.8%
$200k+	11.0%
Median income	$82,788

Housing

Home values

Under $50k 2.1%

$50k–$100k 3.9%

$100k–$150k 6.4%

$150k–$200k 23.5%

$200k–$300k 30.0%

$300k–$500k 28.3%

$500k–$1M 5.9%

Housing overview

Metric	Value
Median home value	$246,000
Median rent / month	$1,210
Owner occupied	86.5%
Renter occupied	13.5%
Vacant	4.9%
Single-family detached	85.6%
Large apartment buildings	2.0%
Mobile homes	0.2%
Median rooms	6.2
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	0.7%
2010–2019	6.1%
2000–2009	25.3%
1990–1999	16.4%
1980–1989	6.0%
1970–1979	16.4%
1960–1969	7.2%
1950–1959	9.9%
1940–1949	2.8%
1939 or earlier	9.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	2.7%
2 bedrooms	18.2%
3 bedrooms	44.5%
4 bedrooms	27.3%
5+ bedrooms	6.8%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	24.2%
2 vehicles	40.5%
3 or more	33.6%

Heating fuel

Fuel type	%
Utility gas	79.6%
Electricity	6.3%
Propane / LP gas	11.6%
Wood	2.3%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	4,196	62.6%
Cohabiting couple	246	3.7%
Male householder, no spouse	930	13.9%
Female householder, no spouse	1,326	19.8%
Households with children under 18	2,415	36.1%
Households with seniors (65+)	2,180	32.5%
Average household size	2.79

Marital status

Status	Male	Female
Never married	31.8%	22.1%
Married	57.4%	58.3%
Separated	0.0%	1.0%
Widowed	3.4%	8.3%
Divorced	7.3%	10.4%

Education

Less than 9th grade 1.9%

Some HS, no diploma 1.6%

HS graduate 38.5%

Some college, no degree 26.0%

Associate's degree 14.2%

Bachelor's degree 12.0%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	96.5%
Bachelor's or higher	17.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	307	6.5%
Kindergarten	368	7.8%
Elementary school	2,172	46.1%
High school	1,262	26.8%
College / grad school	606	12.9%

Employment

Industry of employment

Education & healthcare 21.6%

Construction 16.6%

Manufacturing 16.4%

Retail trade 11.6%

Professional & management 8.6%

Arts, food & hospitality 8.0%

Transportation & utilities 5.3%

Other services 3.2%

Finance & real estate 2.9%

Public administration 1.9%

Wholesale trade 1.4%

Agriculture & mining 1.3%

Information 1.2%

Occupation

Category	%
Management, business & arts	31.2%
Service	13.3%
Sales & office	21.1%
Natural resources & construction	17.6%
Production & transportation	16.8%

Employment type

Type	%
Private sector	85.6%
Government	12.1%
Self-employed	2.0%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	85.4%
Carpool	5.9%
Public transit	0.0%
Walk	1.3%
Work from home	6.9%
Other means	0.6%
Avg commute (minutes)	32.6

Poverty

All people 5.4%

Under 18 years 3.7%

18 and over 6.0%

Married-couple families 1.6%

Female-led households 4.8%

Income support

Source	% of households
Social Security	32.0%
Retirement income	24.8%
Supplemental Security	3.6%
Cash public assistance	0.8%
Food stamps / SNAP	5.4%

Health indicators

Condition	%
Obesity	35.3%
High blood pressure	29.9%
High cholesterol	30.4%
Diabetes	9.7%
Heart disease	5.9%
Stroke	2.6%
Asthma	9.5%
Arthritis	25.8%
Kidney disease	2.5%
Pulmonary disease	7.0%
Cancer	6.3%

Behavior / access	%
Smoking	19.8%
Binge drinking	18.8%
No physical activity	24.0%
Less than 7 hrs sleep	33.2%
Depression	21.3%
Fair or poor health	13.7%
Poor mental health	15.0%
Poor physical health	10.1%
No health insurance	12.8%
Visited doctor (checkup)	73.7%
Visited dentist	65.2%
Cholesterol screening	89.4%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	992	7.1%

Disability	%
Any disability	10.0%
Under 18	3.6%
18–64 years	8.8%
65 and over	25.5%

Health insurance coverage

Type	%
Private insurance	81.4%
Public insurance	25.2%
No insurance	5.2%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,811	94.7%
Spanish	294	1.7%
Other Indo-European	220	1.2%
Asian & Pacific Islander	74	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,143	96.4%
Born in same state	18,131	96.4%
Born in different state	11,743	62.4%
Foreign born	12	0.1%
Naturalized citizen	671	3.6%
Not a US citizen	430	64.1%

Ancestry

Ancestry	Count	%
Italian	3,432	18.2%
English	1,649	8.8%
French	1,551	8.2%
Arab	535	2.8%
Irish	343	1.8%

Ancestry	Count	%
Norwegian	194	1%
Polish	166	0.9%
Dutch	94	0.5%
German	68	0.4%

Technology access

Metric	% of households
Computer access	35.6%
Internet access	95.9%

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

Frequently asked questions about ZIP code 46356

What city is ZIP code 46356 in?

ZIP code 46356 is primarily assigned to Lowell, Indiana.

What county is ZIP code 46356 in?

ZIP code 46356 falls within Lake County, Indiana.

Is ZIP code 46356 mostly owner-occupied?

87% of occupied units in ZIP code 46356 are owner-occupied, well above the national average.

What is the population of ZIP code 46356?

ZIP code 46356 has an estimated population of 18,814 residents, with a density of 167 people per square mile.

What is the median household income in ZIP code 46356?

The median household income in ZIP code 46356 is $82,788, above the national median of ~$75,000.

What is the typical home value in ZIP code 46356?

The median home value in ZIP code 46356 is $246,000.

What timezone is ZIP code 46356 in?

ZIP code 46356 observes the CST timezone.