US ZIP Code Map

County

Lake County, IN ZIP codes

33 ZIPs, including 46303, 46307, 46308, 46311, 46312, 46319, 46320, 46321, 46322, 46323, 46324, 46325, 46327, 46342, 46355, 46356, 46373, 46375, 46376, 46377, 46394, 46401, 46402, 46403, 46404, 46405, 46406, 46407, 46408, 46409, 46410, 46411 as county.

ACS population

515,519

Median household income

$65,938

Median home value

$179,211

Map of Lake County

ZIP code map

ZIP share of this county

Population share

  • 46303100.0%

    Enterprise county

  • 4630794.9%

    Enterprise county

  • 46311100.0%

    Enterprise county

  • 46312100.0%

    Enterprise county

  • 46319100.0%

    Enterprise county

  • 46320100.0%

    Enterprise county

  • 46321100.0%

    Enterprise county

  • 46322100.0%

    Enterprise county

  • 46323100.0%

    Enterprise county

  • 46324100.0%

    Enterprise county

  • 46327100.0%

    Enterprise county

  • 4634113.6%
  • 4634296.3%

    Enterprise county

  • 46356100.0%

    Enterprise county

  • 46373100.0%

    Enterprise county

  • 46375100.0%

    Enterprise county

  • 46376100.0%

    Enterprise county

  • 46377100.0%

    Enterprise county

  • 46394100.0%

    Enterprise county

  • 46402100.0%

    Enterprise county

  • 46403100.0%

    Enterprise county

  • 46404100.0%

    Enterprise county

  • 46405100.0%

    Enterprise county

  • 46406100.0%

    Enterprise county

  • 46407100.0%

    Enterprise county

  • 46408100.0%

    Enterprise county

  • 46409100.0%

    Enterprise county

  • 46410100.0%

    Enterprise county

ZIP codes in Lake County

ZIPCityCountyPopulationIncome
46303Cedar LakeLake County16,910$78,659
46307Crown PointLake County71,418$102,118
46308Crown PointLake County519—
46311DyerLake County23,405$109,167
46312East ChicagoLake County26,158$41,071
46319GriffithLake County17,683$75,976
46320HammondLake County14,097$35,706
46321MunsterLake County23,733$105,764
46322HighlandLake County23,749$76,219
46323HammondLake County23,184$56,906
46324HammondLake County21,433$61,118
46325HammondLake County429—
46327HammondLake County10,797$50,457
46341HebronPorter County10,169$99,444
46342HobartLake County32,525$72,163
46355LeroyLake County129—
46356LowellLake County19,396$87,535
46373Saint JohnLake County18,509$123,203
46375ScherervilleLake County24,012$89,646
46376SchneiderLake County280$68,750
46377ShelbyLake County31—
46394WhitingLake County12,141$66,386
46401GaryLake County533—
46402GaryLake County5,636$29,125
46403GaryLake County10,697$44,114
46404GaryLake County16,846$39,188
46405Lake StationLake County11,509$57,005
46406GaryLake County8,513$35,631
46407GaryLake County8,889$25,551
46408GaryLake County15,571$47,063
46409GaryLake County7,072$40,637
46410MerrillvilleLake County38,803$61,735
46411MerrillvilleLake County743—