List of 60 Zip Codes in Lake County, Indiana

On this page, we'll list out the 60 Lake County, Indiana ZIP codes we have, including the land area and county name of each code.

Indiana is the 38th largest state by total land area, with a land area of 36,420 square miles (94,327 square kilometers) and has a total population of 6,696,893 people as of the most recent U.S. Census survey.

Lake County makes up approximately 5.22% of the total land area for Indiana and we have 60 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

ZIP Code Land Area (Sq. Meters) Land Area (Sq. Miles) Land Area (Sq. Kilometers)
46303 71,370,900 28 71
46307 227,048,000 88 227
46307 227,048,000 88 227
46307 227,048,000 88 227
46307 227,048,000 88 227
46307 227,048,000 88 227
46307 227,048,000 88 227
46307 227,048,000 88 227
46307 227,048,000 88 227
46311 35,110,500 14 35
46311 35,110,500 14 35
46311 35,110,500 14 35
46312 36,283,900 14 36
46319 24,015,200 9 24
46319 24,015,200 9 24
46320 17,324,100 7 17
46320 17,324,100 7 17
46321 19,606,700 8 20
46322 17,867,800 7 18
46323 16,064,100 6 16
46323 16,064,100 6 16
46324 11,424,400 4 11
46327 10,689,500 4 11
46341 233,814,000 90 234
46342 91,228,100 35 91
46342 91,228,100 35 91
46342 91,228,100 35 91
46342 91,228,100 35 91
46342 91,228,100 35 91
46342 91,228,100 35 91
46356 305,777,000 118 306
46356 305,777,000 118 306
46356 305,777,000 118 306
46356 305,777,000 118 306
46373 26,173,700 10 26
46373 26,173,700 10 26
46375 35,084,900 14 35
46375 35,084,900 14 35
46375 35,084,900 14 35
46375 35,084,900 14 35
46376 23,318,600 9 23
46377 1,555,210 1 2
46394 8,440,730 3 8
46394 8,440,730 3 8
46402 9,847,720 4 10
46403 21,456,700 8 21
46403 21,456,700 8 21
46404 14,808,300 6 15
46405 22,493,400 9 22
46405 22,493,400 9 22
46405 22,493,400 9 22
46406 33,750,600 13 34
46407 10,964,200 4 11
46408 25,249,700 10 25
46408 25,249,700 10 25
46409 9,241,530 4 9
46409 9,241,530 4 9
46410 76,460,700 30 76
46410 76,460,700 30 76
46410 76,460,700 30 76

More Counties in Indiana

If you want to search and find zip codes for different counties in Indiana, the list below contains links to each of the 92 Indiana counties we have data for.

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

We spent a lot of time downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "List of 60 Zip Codes in Lake County, Indiana". NameCensus.com. Accessed on March 29, 2024. https://namecensus.com/zip-codes/indiana/lake-county/.

  • "List of 60 Zip Codes in Lake County, Indiana". NameCensus.com, https://namecensus.com/zip-codes/indiana/lake-county/. Accessed 29 March, 2024

  • List of 60 Zip Codes in Lake County, Indiana. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/indiana/lake-county/.