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zipcodes.pro — ZIP/46321

46321

ZIP 46321 is Munster, Indiana, in Lake County; area code 219; Central time.

Type
Standard
Time zone
America/Chicago
County
Lake
Population
23,733
Coordinates
41.5475, -87.5033
☼ Live from 46321 — Munster, IN

Weather right now

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Local time: —

Where 46321 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 46321
  • 🔢 Type 46321 into a pocket calculator and turn it upside down: IZEgh — not quite a word, sorry.
  • ➕ As a number, 46,321 = 11 × 4211. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011010011110001
  • 🏠 Its numerical neighbours: 46320 (Hammond, IN, 4 mi away) and 46322 (Highland, IN, 2 mi away).
  • 🔄 Backwards, 46321 becomes 12364, which is not a ZIP code at all.
  • 👥 60 other ZIP codes are made of exactly the same digits (12436, 12463, 13426, 13624, 13642, 14263, …). The farthest-flung twin is 34216 in Anna Maria, FL, 1,005 miles away.
  • 🧭 Farther north than 71% of all ZIP codes, and farther east than 50%.
  • 🎯592 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 46321 and you would come out at 41.55°S, 92.50°E — 1,201 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 7.6 square miles of land, 46321 is bigger than 24% of ZIP codes — room for about 5.8 Central Parks.
🌙 The sky over 46321 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population23,733This ZIP23,733
Households9,471This ZIP9,471
Housing units9,814This ZIP9,814
Median age45.0This ZIP45.0Indiana38.1US 38.9
Median household income$110,187This ZIP$110,187Indiana$71,957US $80,734
Median home value$334,300This ZIP$334,300Indiana$218,200US $332,700
Median gross rent$1,507This ZIP$1,507Indiana$1,062US $1,413
Bachelor's degree or higher49.9%This ZIP49.9%
Mean commute28.1 minThis ZIP28.1 min
Population density3,125.2 / sq miThis ZIP3,125.2 / sq mi

Business and tax activity

Business establishments689This ZIP689
Employees15,460This ZIP15,460
Annual payroll$972,574,000This ZIP$972,574,000
Tax returns filed11,670This ZIP11,670
Total adjusted gross income$1,361,643,000This ZIP$1,361,643,000

Land area

Land area7.59 sq miThis ZIP7.59 sq mi
Water area0.09 sq miThis ZIP0.09 sq mi

Other place names in 46321

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 46321

ZIPCityDistance
46322 Highland, IN 2.4 mi
46324 Hammond, IN 2.5 mi
60438 Lansing, IL 2.8 mi
46323 Hammond, IN 3.9 mi
46320 Hammond, IN 4.3 mi
46319 Griffith, IN 4.6 mi
46375 Schererville, IN 4.7 mi
60409 Calumet City, IL 5.2 mi
60411 Chicago Heights, IL 5.3 mi
60476 Thornton, IL 5.3 mi

Find every ZIP code within 10 miles of 46321 →

Questions about this ZIP code

Where is ZIP code 46321?

46321 is in Munster, Indiana, in Lake County, part of the Chicago-Naperville-Elgin, IL-IN metropolitan area. Its published point location is 41.5475, -87.5033.

What county is 46321 in?

46321 lies in Lake County.

What area code is 46321?

Munster uses area code 219, from NANPA's telephone records.

What time zone is 46321 in?

46321 uses America/Chicago.

How many people live in 46321?

About 23,733 people live in ZIP code 46321, in 9,471 households, at 3,125.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 46321?

$110,187 a year, against $71,957 across Indiana.

What ZIP codes are near 46321?

The closest are 46322 (2.4 mi), 46324 (2.5 mi), 60438 (2.8 mi), 46323 (3.9 mi) and 46320 (4.3 mi).

Is 46321 a PO Box ZIP code?

46321 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “46321 ZIP Code — Munster, Indiana (Lake County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/46321

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