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US ZIP Code Profile

ZIP Code 46404
Gary, Indiana

ZIP code 46404 is in Gary, located in Lake County, Indiana, within the Chicago-Naperville-Elgin metro area. Its 2020 Census population was 15,658. The estimated median adjusted gross income per tax return is $26,003, and about 1% of filers report $200,000 or more.

2020 Population
15,658
Census ZCTA
County
Lake
FIPS 18089
Median income (est.)
$26,003
IRS SOI 2022
Land Area
5.718 mi²
+ 0.006 mi² water

01Location & Geography

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

Primary CityGary, 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
Coordinates41.584045, -87.37403
Land / Water Area5.718 mi² land · 0.006 mi² water

02Income & Economics

Distribution of the 6,270 individual tax returns filed in 46404 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
48.8%
$25K–$50K
29.8%
$50K–$75K
10.5%
$75K–$100K
5.3%
$100K–$200K
4.9%
$200K+
0.6%
The $200,000+ bracket accounts for 4% of 46404's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($26,003) 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 46404's IRS income metrics, 2020–2022.

Median income (2021→2022)
$26,003
▲ 9.7%
Filers earning $200K+
0.6%
▲ 0.3 pt
Total filers
6,270
▼ 1.9%
GET /zipc/v2/zipcodes/46404/soi?year=… $23K 2020 $24K 2021 $26K 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 46404 ZCTA.

2000
21,115
 
2010
17,326
▼ -17.9%
2020
15,658
▼ -9.6%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 46404. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 46404

Gary and its immediate neighbors, sorted by distance.

3 mi
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Distance from 46404 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number173168
City AliasesGary

07Frequently Asked Questions

What county is ZIP code 46404 in?

ZIP code 46404 is in Lake County, Indiana (county FIPS code 18089).

What city is ZIP code 46404?

The primary USPS city for 46404 is Gary, IN.

What metro area (MSA) is 46404 in?

46404 is part of the Chicago-Naperville-Elgin, IL-IN-WI Metro Area (MSA code 16980).

What is the population of ZIP code 46404?

The 2020 Census population of 46404 was 15,658 residents.

What is the median income in ZIP code 46404?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 46404 is about $26,003, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.