Munster, IN ZIP code
The ZIP code for Munster, Indiana is 46321. It is in Lake County.
- Population in these ZIPs
- 23,733
- Avg. median income
- $110,200population-weighted
- Typical home value
- $353,700population-weighted
- Metro area
- Chicago-Naperville-Elgin, IL-IN
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Munster, IN ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 46321 | 23,733 | $110,187 | $353,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Munster
- Highland 2 mi
- Hammond 3 mi
- Griffith 5 mi
- Schererville 5 mi
- Dyer 5 mi
- Saint John 8 mi
- East Chicago 8 mi
- Gary 9 mi
- Whiting 9 mi
- Merrillville 9 mi
- Cedar Lake 12 mi
- Lake Station 13 mi
Frequently asked questions
What is the ZIP code for Munster, IN?
The ZIP code for Munster, IN is 46321.
What county is Munster, Indiana in?
Munster ZIP codes are in Lake County.