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Zip Code 46404 — Gary, IN

ZIP Code 46404 is associated with Gary, IN, in Lake County. The listed population estimate is 15,428; estimated density is 991.6 people per square mile. Among records with population estimates, it ranks #16 of 27 in Lake County and #166 of 788 in IN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.584750, -87.375020)

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

How 46404 Compares

MetricZIP 46404Lake County recordsIN records
Population estimate15,428504,725 (sum)6,851,073 (sum)
Population Density991.6 /sq mi----
County population rank#16 of 27----
State population rank#166 of 788----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IN

ZIP CodeCityDistancePopulation estimate
ZIP 46406Gary2.1 mi9,001
ZIP 46407Gary2.3 mi8,577
ZIP 46408Gary2.8 mi15,747
ZIP 46402Gary2.8 mi5,836
ZIP 46409Gary3.6 mi7,184

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 →