Home > IN > Lake County > Cedar Lake > Zip 46303

Zip Code 46303 — Cedar Lake, IN

ZIP Code 46303 is associated with Cedar Lake, IN, in Lake County. The listed population estimate is 17,680; estimated density is 237.4 people per square mile. Among records with population estimates, it ranks #14 of 27 in Lake County and #148 of 788 in IN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.371980, -87.476500)

Data MetricLocal Statistic
Postal / Zip Code46303
Primary CityCedar Lake
State / ProvinceIN
CountyLake
Total Population17,680
Population Density237.4 people/sq mi
TimezoneAmerica/Chicago

How 46303 Compares

MetricZIP 46303Lake County recordsIN records
Population estimate17,680504,725 (sum)6,851,073 (sum)
Population Density237.4 /sq mi----
County population rank#14 of 27----
State population rank#148 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 46373Saint John5.1 mi18,843
ZIP 46311Dyer6.9 mi23,321
ZIP 46307Crown Point8.0 mi71,673
ZIP 46356Lowell8.2 mi19,721
ZIP 46375Schererville8.4 mi24,188

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 →