Zip Code 46320 — Hammond, IN

ZIP Code 46320 is associated with Hammond, IN, in Lake County. The listed population estimate is 14,353; estimated density is 1,190.0 people per square mile. Among records with population estimates, it ranks #17 of 27 in Lake County and #172 of 788 in IN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.608930, -87.497540)

Data MetricLocal Statistic
Postal / Zip Code46320
Primary CityHammond
State / ProvinceIN
CountyLake
Total Population14,353
Population Density1,190.0 people/sq mi
TimezoneAmerica/Chicago

How 46320 Compares

MetricZIP 46320Lake County recordsIN records
Population estimate14,353504,725 (sum)6,851,073 (sum)
Population Density1,190.0 /sq mi----
County population rank#17 of 27----
State population rank#172 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 46324Hammond1.8 mi21,409
ZIP 46327Hammond2.2 mi10,597
ZIP 46323Hammond2.7 mi23,047
ZIP 46312East Chicago3.4 mi26,022
ZIP 46321Munster4.3 mi23,733

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 →