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Munster town, IN

ZIP Code 46321 — Munster town, IN Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
23,733
Median Income
$105,764
+41% vs US avg
Home Value
$312,000
-10% vs US avg
Median Rent
$1,240
+7% vs US avg
Median Age
45.3 yrs
+16% vs US avg
Timezone
America/Indiana/Indianapolis
Area Code
Congress
Top Ancestry
GermanPolishIrish
Scroll to load map
Location
Coordinates
41.5469, -87.5046
Elevation
710 ft
Land Area
7.5 sq mi
Water Area
0.1 sq mi (1% water)

At a glance

Population
23,733
Density
N/A
Median income
$105,764
+41% vs US avg
Home value
$312,000
-10% vs US avg
Median rent
$1,240
+7% vs US avg
Timezone
America/Indiana/Indianapolis

Overview of ZIP Code 46321

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What to know about ZIP 46321

ZIP code 46321 covers Munster, IN in Lake County with a population of about 23,733.

At a glance, the area shows median age of 45.3 versus a U.S. median of about 38.9.

It sits in telephone area code 219; U.S. House district IN-1; the CHICAGO media market.

Income and economy in Munster, IN

Median household income in ZIP 46321 is about $105,764 — about 41% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.3%; unemployment rate near 5.3%; 48.1% of adults with a bachelor’s degree or higher (about 14.4 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Education; about 11.6% of workers reporting work-from-home (about 3.6 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 46321

Median home value is about $312,000 — about 10% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,240 (about 7% above the U.S. median rent ($1,163)), and owner-occupancy near 86.1% (about 20.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 46321 in Munster, IN, a household would need roughly $86,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $2,004. That sits below the local median household income ($105,764), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Munster town, IN as Relatively High (composite score 95.9), which is among the highest nationally. The strongest component scores on US5 are flood (96.2) and wildfire (66.1). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Munster town, IN show little to no average snow and around 42.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,091 for ZIP 46321 (Munster town, IN) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport GYY (6.8 miles (10.9 km)) · Purdue University Northwest (3.0 miles (4.9 km)) · Pullman National Historical Park (11.5 miles (18.5 km)) · VA: Chicago Heights Clinic (7.5 miles (12.2 km))

Full lists and map pins are in the Infrastructure section below.