Home > IN > Lake County > Gary > Zip 46404

Zip Code 46404 — Gary, IN

46404 is a ZIP Code associated with Gary, IN, located within Lake. The postal region supports an estimated population of 15,428 residents across Data Pending housing units, with a population density of 991.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.584750, -87.375020)

Data MetricLocal Statistic
Postal / Zip Code46404
Primary CityGary
State / ProvinceIN
CountyLake
Total Population15,428
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density991.6 people/sq mi
TimezoneAmerica/Chicago

How 46404 Compares

MetricZIP 46404Lake CountyIN State Average
Population15,428504,7256,851,073
Median IncomeData PendingN/AN/A
Population Density991.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 46406Gary2.1 mi9,001N/A
Zip 46407Gary2.3 mi8,577N/A
Zip 46408Gary2.8 mi15,747N/A
Zip 46402Gary2.8 mi5,836N/A
Zip 46409Gary3.6 mi7,184N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →