Merrillville, IN ZIP codes
Merrillville, Indiana has 2 ZIP codes, including 1 PO Box ZIP. They are in Lake County.
- Population in these ZIPs
- 39,243
- Avg. median income
- $64,100population-weighted
- Typical home value
- $242,200population-weighted
- Metro area
- Chicago-Naperville-Elgin, IL-IN
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Merrillville, IN ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 46410 | Lake County | 39,243 | $64,127 | $242,200 |
| 46411 PO Box | Lake County | — | — | — |
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 Merrillville
- Crown Point 4 mi
- Griffith 5 mi
- Schererville 5 mi
- Saint John 6 mi
- Hobart 6 mi
- Highland 7 mi
- Gary 8 mi
- Dyer 8 mi
- Lake Station 8 mi
- Munster 9 mi
- Hammond 9 mi
- Cedar Lake 9 mi
Frequently asked questions
What county is Merrillville, Indiana in?
Merrillville ZIP codes are in Lake County.
Which Merrillville ZIP codes are PO Boxes?
46411 is a PO Box or single-organization ZIP code; it has no residential delivery area.