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US ZIP Code Profile

ZIP Code 46322
Highland, Indiana

ZIP code 46322 is in Highland, located in Lake County, Indiana, within the Chicago-Naperville-Elgin metro area. Its 2020 Census population was 23,984. The estimated median adjusted gross income per tax return is $53,991, and about 3% of filers report $200,000 or more.

2020 Population
23,984
Census ZCTA
County
Lake
FIPS 18089
Median income (est.)
$53,991
IRS SOI 2022
Land Area
6.918 mi²
+ 0.037 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityHighland, IN
CountyLake County (FIPS 18089)
StateIndiana (FIPS 18)
Metro Area (MSA)Chicago-Naperville-Elgin, IL-IN-WI Metro Area (16980)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates41.546623, -87.45762
Land / Water Area6.918 mi² land · 0.037 mi² water

02Income & Economics

Distribution of the 12,360 individual tax returns filed in 46322 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.9%
$25K–$50K
21.4%
$50K–$75K
17.2%
$75K–$100K
12.8%
$100K–$200K
19.5%
$200K+
3.2%
The $200,000+ bracket accounts for 16% of 46322's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($53,991) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 46322's IRS income metrics, 2020–2022.

Median income (2021→2022)
$53,991
▲ 5.7%
Filers earning $200K+
3.2%
▲ 0.4 pt
Total filers
12,360
▼ 1.0%
GET /zipc/v2/zipcodes/46322/soi?year=… $47K 2020 $51K 2021 $54K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 46322 ZCTA.

2000
23,546
 
2010
23,727
▲ +0.8%
2020
23,984
▲ +1.1%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 46322. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 46322

Highland and its immediate neighbors, sorted by distance.

3 mi
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Distance from 46322 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortD
USPS Finance Number173586
City AliasesHammond, Highland

07Frequently Asked Questions

What county is ZIP code 46322 in?

ZIP code 46322 is in Lake County, Indiana (county FIPS code 18089).

What city is ZIP code 46322?

The primary USPS city for 46322 is Highland, IN.

What metro area (MSA) is 46322 in?

46322 is part of the Chicago-Naperville-Elgin, IL-IN-WI Metro Area (MSA code 16980).

What is the population of ZIP code 46322?

The 2020 Census population of 46322 was 23,984 residents.

What is the median income in ZIP code 46322?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 46322 is about $53,991, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.