LaPorte

Source:

Indiana

LaPorte is a county in Indiana with 11 ZIP codes and a total population of 110,357. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

LaPorte is a county inside Indiana (FIPS code 18091) that contains 11 USPS ZIP codes covering a combined population of 110,357 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 11 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in LaPorte is 46350 covering La Porte with 43,650 residents at 87 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because LaPorte uses FIPS code 18091, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

11

Total ZIPs

110,357

Total Population

ZIP Codes in LaPorte

Side-by-side: Compare 46350 vs 46360 →

ZIP Code City Population Density
46350 La Porte 43,650 87
46360 Michigan City 43,625 218
46391 Westville 9,726 93
46371 Rolling Prairie 3,599 37
46390 Wanatah 2,796 22
46382 Union Mills 2,108 17
46346 Kingsford Heights 1,423 311
46340 Hanna 1,068 13
46365 Mill Creek 1,068 18
46348 La Crosse 1,045 8
46345 Kingsbury 249 256

What are common questions about ZIP codes in this county?

What is the population of LaPorte?
LaPorte has a total population of 110,357 across 11 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in LaPorte?
LaPorte includes 11 ZIP codes: 46350, 46360, 46391, 46371, 46390, 46382, 46346, 46340, 46365, 46348, and more.
What is the median household income in LaPorte?
Median household income data for individual ZIP codes in LaPorte is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.