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Lake County, Indiana ZIP code demographics

28 ZIP Code Tabulation Areas in Lake County, Indiana. The population-weighted median household income is about $75,794, the median home value about $242,736, and 72.2% of occupied homes are owner-occupied.

28
ZIP codes
514.8K
Population
53
Data points

Lake County at a glance

$75,794
Median household income
$242,736
Median home value
39.9
Median age
72.2%
Owner-occupied
223,072
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Lake County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
146373Schererville18,84397.1%$127,146
246311Dyer23,32190.1%$116,652
346321Hammond23,73387%$110,187
446307Cedar Lake71,67388%$107,800
546375Schererville24,18883%$93,160
Top 5 Lake County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
146307Cedar Lake71,67388%$107,800
246410Gary39,24366%$64,127
346342Hobart32,22474.1%$75,521
446312East Chicago26,02242.9%$42,125
546375Schererville24,18883%$93,160
Top 5 Lake County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
146307Cedar Lake71,67388%$107,800$2.4B
246311Dyer23,32190.1%$116,652$928.7M
346321Hammond23,73387%$110,187$907.6M
446373Schererville18,84397.1%$127,146$822.4M
546375Schererville24,18883%$93,160$778.9M

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 46324 (Hammond) at 4,911 people/sq mi. Least dense: 46376 (Schneider) at 36 people/sq mi.

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