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ZIP CODE TABULATION AREA

46321

Indiana · 23,733 residents · 7.59 sq mi
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With 23,733 people, ZIP 46321 is a ZIP code in Lake County. Owners hold 87% of the housing stock. That is roughly 54% ahead of the Lake County median. The median age is 45.0, about 6 years above the US median. This is an unusually credentialed place: 50% of adults have a four-year degree. Density works out to 3,125 people per square mile. Among the 27 ZIP codes in Lake County, 46321 ranks 3rd by median household income.

$110,187
US average: $82,259
$57,382
US average: $44,673
$334,300
US average: $376,019
49.9%
US average: 35.6%
Land area
7.59 sq mi
Age, sex & households
Under 18
19.5%
Age 65+
20.7%
49.5%
50.5%
2.47 people
Race & ethnicity · 2024
2024
White, non-Hispanic69.6%(16,526)
Black7.4%(1,754)
Hispanic / Latino14.5%(3,433)
Asian6.3%(1,491)
Other2.2%(529)
61
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.0
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Lake County
Income rank vs other ZIPs
LOWEST3RD OF 27HIGHEST
Adjacent ZIPs
46303$84,211
46307$107,800
46311$116,652
46312$42,125
Frequently asked

How many people live in ZIP code 46321?

ZIP code 46321 has about 23,733 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 46321?

The typical household in ZIP code 46321 earns about $110,187 a year. Half of households make more than that, and half make less.

Is ZIP code 46321 expensive?

In ZIP code 46321, the median home is worth about $334,300, and the typical rent is about $1,507 a month.

How educated are people in ZIP code 46321?

About 49.9% of adults age 25 and over in ZIP code 46321 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 46321?

About 6.0% of people in ZIP code 46321 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024