Michigan City-La Porte, IN metro area ZIP codes
The Michigan City-La Porte, IN metropolitan statistical area (CBSA 33140) covers 1 county in Indiana and 14 ZIP codes.
- ZIP codes
- 14
- Population
- 117,934
- Avg. median income
- $70,500population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Michigan City-La Porte, IN area
ZIP codes in the Michigan City-La Porte, IN area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 46340 | Hanna | LaPorte County | 1,524 | $58,717 | $281,100 |
| 46345 | Kingsbury | LaPorte County | 66 | — | $185,900 |
| 46346 | Kingsford Heights | LaPorte County | 1,358 | $57,830 | $166,600 |
| 46348 | La Crosse | LaPorte County | 1,217 | $64,375 | $214,600 |
| 46350 | La Porte | LaPorte County | 44,763 | $74,307 | $275,300 |
| 46352 PO Box | La Porte | LaPorte County | — | — | — |
| 46360 | Michigan City | LaPorte County | 43,817 | $59,266 | $233,200 |
| 46361 PO Box | Michigan City | LaPorte County | — | — | — |
| 46365 | Mill Creek | LaPorte County | 992 | $98,047 | $320,200 |
| 46371 | Rolling Prairie | LaPorte County | 3,396 | $99,830 | $320,700 |
| 46382 | Union Mills | LaPorte County | 1,835 | $95,208 | $305,500 |
| 46390 | Wanatah | LaPorte County | 2,554 | $87,639 | $284,000 |
| 46391 | Westville | LaPorte County | 8,986 | $82,692 | $350,500 |
| 46574 | Walkerton | LaPorte County | 7,426 | $76,181 | $234,100 |
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
Frequently asked questions
How many ZIP codes are in the Michigan City-La Porte, IN metro area?
14 ZIP codes, based on each ZIP code's main county.
Which counties make up the Michigan City-La Porte, IN area?
LaPorte County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).