Lake County, Indiana
Browse all ZIP codes in Lake County, Indiana. Each ZIP code page includes population, median household income, and a map of the area.
County Statistics
Total Population
501,920
Median Household Income
$63,336
Median Age
39.7
Unemployment Rate
6.6%
Poverty Rate
14.6%
ZIP Codes
27
Demographics
Race & Ethnicity
Gender
Education Level (adults 25+)
All ZIP Codes in Lake County
- 46303 – Cedar Lake
- 46307 – Crown Point
- 46311 – Dyer
- 46312 – East Chicago
- 46319 – Griffith
- 46320 – Hammond
- 46321 – Munster
- 46322 – Highland
- 46323 – Hammond
- 46324 – Hammond
- 46327 – Hammond
- 46342 – Hobart
- 46356 – Lowell
- 46373 – Saint John
- 46375 – Schererville
- 46376 – Schneider
- 46377 – Shelby
- 46394 – Whiting
- 46402 – Gary
- 46403 – Gary
- 46404 – Gary
- 46405 – Lake Station
- 46406 – Gary
- 46407 – Gary
- 46408 – Gary
- 46409 – Gary
- 46410 – Merrillville