Postal Codes

46321 ZIP Code

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ZIP code 46321 covers Munster, Indiana, with a population of about 23,733 and a median household income of $105,764.

Population
23,7333,125 per square mile
Median age
45.36.6 points above the US average
Median household income
$105,7641.5× the Indiana median
Poverty rate
7.3%5.1 points below the US average
Typical home value
$358,575up 17.8% in five years
Median rent
$1,4801.5× the Indiana median
Degree or higher
48.1%13.1 points above the US average
Homeownership
86.1%21.1 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
669

Where 46321 is

Munster, Indiana — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,733
Median age45.3
Family households68.6%
Born outside the US9%
Speaks a language other than English at home14%
White (non-Hispanic)70.9%
Black (non-Hispanic)6.8%
Asian (non-Hispanic)6.4%
Hispanic or Latino14.1%
Veterans6.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$105,764
Income per person$54,931
Poverty rate7.3%
Households on SNAP or cash assistance1.6%

Household income distribution

Under $10k4.9%
$10–15k1.2%
$15–20k1.5%
$20–25k2.0%
$25–30k3.9%
$30–35k1.8%
$35–40k2.6%
$40–45k2.3%
$45–50k4.4%
$50–60k5.0%
$60–75k6.2%
$75–100k12.6%
$100–125k8.0%
$125–150k11.4%
$150–200k16.2%
$200k or more15.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,670
Mean adjusted gross income$116,679
Returns declaring $200,000 or more13.3%
Returns, under $25k23.0%
Returns, $25k–$50k15.2%
Returns, $50k–$75k12.2%
Returns, $75k–$100k11.4%
Returns, $100k–$200k25.0%
Returns, $200k or more13.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$312,000
Median gross rent$1,480
Owner-occupied86.1%
Vacant homes4.2%
Median year built1972

What the homes are

Detached house74.8%
Attached house6.8%
2 to 4 units4.4%
5 to 19 units9.9%
20 or more units3.9%
Mobile home0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$358,575as of 2026-07
Typical home value, 1 yearup 2.2%
Typical home value, 5 yearsup 17.8%
Typical home value, 10 yearsup 63.2%
Typical asking rent$1,987as of 2026-07
Typical home value since 2000
200420152026$358,575$162,743

$162,743 in 2004 to $358,575 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.3%
Bachelor's degree or higher48.1%
High school diploma or higher96.5%
Works from home11.6%
Drives to work alone77.5%
Takes public transport2.7%
Commutes 45 minutes or more24%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity33.1% same as the national average of 33.4%
Diagnosed diabetes12.2% same as the national average of 12%
Currently smokes11.8% 1.4 pts below the national average of 13.2%
High blood pressure35.9% 1.8 pts above the national average of 34.1%
Fair or poor general health16.7% 3.6 pts below the national average of 20.3%
No health insurance (18–64)6.5% 4.8 pts below the national average of 11.3%
Depression19.2% 2.7 pts below the national average of 21.9%
No leisure-time physical activity20.9% 4.5 pts below the national average of 25.4%
Arthritis28.3% 3.2 pts above the national average of 25.1%
Binge drinking17.2% 1.2 pts above the national average of 16%
Taking blood pressure medication80.2% 5.5 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease6.5% same as the national average of 6.2%
Routine check-up in past year81% 4.3 pts above the national average of 76.7%
Cholesterol screening90% 4.1 pts above the national average of 85.9%
Cognitive disability11% 3.8 pts below the national average of 14.8%
Colorectal screening72.1% 7.8 pts above the national average of 64.3%
COPD6.5% same as the national average of 6.6%
Visited a dentist68.2% 6.9 pts above the national average of 61.3%
Any disability25.6% 5.1 pts below the national average of 30.7%
Lacks emotional support21.7% 3.1 pts below the national average of 24.8%
Food insecurity10% 7.1 pts below the national average of 17.1%
Received food stamps4.9% 9.4 pts below the national average of 14.3%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol36.7% 0.5 pts above the national average of 36.2%
Housing insecurity7.7% 6.1 pts below the national average of 13.8%
Independent living disability6.2% 2.2 pts below the national average of 8.4%
Lacks transport5.3% 3.9 pts below the national average of 9.2%
Loneliness28.3% 6.1 pts below the national average of 34.4%
Mammography use80.7% 4.8 pts above the national average of 75.9%
Poor mental health (14+ days)13.9% 2.9 pts below the national average of 16.8%
Mobility disability12.4% 1.6 pts below the national average of 14%
Poor physical health (14+ days)12.3% 1.2 pts below the national average of 13.5%
Self-care disability3% 1 pts below the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours36.8% same as the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost12.2% 0.8 pts below the national average of 13%
Vision disability3.9% 1.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments669
People employed15,056
Annual payroll$925,976,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 81.2% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 6 census tracts this ZIP code covers
Expected annual loss83.8 out of 100
Community resilience64.3 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave93.6Very High at its worst in this ZIP code
River flooding91.3Very High at its worst in this ZIP code
Tornado90.6Very High at its worst in this ZIP code
Winter weather66.9Relatively Moderate at its worst in this ZIP code
Strong wind58.8Relatively Moderate at its worst in this ZIP code
Earthquake55.2Relatively Low at its worst in this ZIP code
Lightning51.5Relatively Moderate at its worst in this ZIP code
Landslide48.2Very Low at its worst in this ZIP code
Hail46.9Relatively Low at its worst in this ZIP code
Heat wave46.3Relatively Moderate at its worst in this ZIP code
Ice storm35.7Relatively Low at its worst in this ZIP code
Wildfire23.6Very Low at its worst in this ZIP code
Coastal flooding17.7Very Low at its worst in this ZIP code
Hurricane16.4Very Low at its worst in this ZIP code
Compared with Indiana and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIndianaUnited States
Median household income$105,764$70,051$78,538
Income per person$54,931$37,178$43,289
Poverty rate7.3%12.2%12.4%
Median home value$312,000$201,600$303,400
Median gross rent$1,480$1,020$1,348
Homeownership86.1%70.4%65%
Bachelor's degree or higher48.1%28.8%35%
Unemployment rate5.3%4.3%5.2%
Works from home11.6%9.6%13.5%
Born outside the US9%5.9%13.9%
Median age45.33838.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPARK FOREST, IL US16.3 km away
Rain in a year42 in
Snow in a year28 in

Average high and low by month

January31.1°F / 15.2°F2.49 in rain, 10.2 in snow
February35.2°F / 18.4°F2.15 in rain, 7.5 in snow
March46.4°F / 28.1°F2.65 in rain, 4.9 in snow
April59.3°F / 38.3°F4.02 in rain, 0.5 in snow
May70.6°F / 49.3°F4.57 in rain
June80.2°F / 58.9°F4.91 in rain
July83.9°F / 63.8°F4.73 in rain
August82°F / 62°F4.02 in rain
September75.8°F / 54.6°F3.44 in rain
October63.1°F / 42.4°F3.65 in rain, 0.2 in snow
November48.2°F / 31.4°F3 in rain, 0.9 in snow
December36.3°F / 21.5°F2.47 in rain, 4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarket37% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Munster School Town98.8% of this ZIP code's land area
Hammond School City1.2% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability22more vulnerable than 22% of US census tracts
Socioeconomic status15more vulnerable than 15% of US census tracts
Household characteristics44more vulnerable than 44% of US census tracts
Racial and ethnic minority status44more vulnerable than 44% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability9.3 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

46324 Hammond, IN3.3 km away
46322 Highland, IN3.7 km away
60438 Lansing, IL3.8 km away
46323 Hammond, IN5.4 km away
46320 Hammond, IN6.2 km away
46319 Griffith, IN6.9 km away
46311 Dyer, IN7 km away
46375 Schererville, IN7.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lake County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area7.59 sq mi
Water area0.09 sq mi
Population density3,125 people per sq mi
Latitude, longitude41.5544, -87.5011

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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