LaPorte County, Indiana
County seat: La Porte · Population 111,294 (2025) · 598 sq mi
LaPorte County is the 16th most populous of Indiana's 92 counties, with 111,294 people (2025 estimate). Its county seat is La Porte. It is part of the Northwest (Region 1) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 11 cities and towns and the 5 neighboring counties.
LaPorte County facts
- County seat
- La Porte
- Population (2025 estimate)
- 111,294 −1% since 2020
- Land area
- 598 sq mi 2nd largest of 92
- Water area
- 15 sq mi
- Population density
- 186 per sq mi
- Established
- 1832
- Largest city
- Michigan City 31,338
- Median household income
- $71,055
- Cities and towns
- 11 plus 10 CDPs
- ZIP codes
- 15
- Time zone
- Central
- FIPS code
- 18091
Cities and towns in LaPorte County
LaPorte County has 11 incorporated cities, towns and villages. Populations count the people living inside LaPorte County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Michigan City | City | 31,338 | |
| La Porte (county seat) | City | 22,600 | |
| Westville | Town | 5,387 | |
| Trail Creek | Town | 1,987 | |
| Kingsford Heights | Town | 1,500 | |
| Long Beach | Town | 1,158 | |
| Wanatah | Town | 972 | |
| La Crosse | Town | 556 | |
| Michiana Shores | Town | 303 | |
| Pottawattamie Park | Town | 234 | |
| Kingsbury | Town | 185 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Hudson Lake | 1,347 | |
| Fish Lake | 684 | |
| Hanna | 529 | |
| Wellsboro | 343 | |
| Rolling Prairie | 238 | |
| Union Mills | 233 | |
| Saugany Lake | 217 | |
| Duneland Beach | 139 | |
| South Center | 108 | |
| Stillwell | 12 |
ZIP codes in LaPorte County
15 ZIP codes reach into LaPorte County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46340
- 46345
- 46346
- 46348 also Porter County
- 46350
- 46360 also Porter County
- 46365
- 46371
- 46382
- 46390 also Porter County
- 46391 also Porter County
- 46532 also Starke County
- 46552 also St. Joseph County
- 46554 also St. Joseph County
- 46574 also St. Joseph, Marshall and Starke counties
Population of LaPorte County, 2020–2025
LaPorte County shrank by 1,124 people (−1%) between April 2020 and July 2025: 1,571 more deaths than births and a net gain of 406 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 112,279 |
| 2021 | 112,404 |
| 2022 | 111,617 |
| 2023 | 111,144 |
| 2024 | 111,349 |
| 2025 | 111,294 |
Neighboring counties
- Porter County west · 176,049 people
- Starke County south · 23,425 people
- St. Joseph County east · 272,861 people
- Berrien County, Michigan north · 152,444 people
- Jasper County southwest · 33,894 people
Printable LaPorte County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (109 KB)
- PNG (2400 px) (91 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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