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Zip Code 10603 — White Plains, NY

ZIP Code 10603 is associated with White Plains, NY, in Westchester County. The listed population estimate is 18,910; estimated density is 2,167.3 people per square mile. Among records with population estimates, it ranks #20 of 74 in Westchester County and #348 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.053640, -73.780140)

Data MetricLocal Statistic
Postal / Zip Code10603
Primary CityWhite Plains
State / ProvinceNY
CountyWestchester
Total Population18,910
Population Density2,167.3 people/sq mi
TimezoneAmerica/New_York

How 10603 Compares

MetricZIP 10603Westchester County recordsNY records
Population estimate18,910997,782 (sum)19,771,902 (sum)
Population Density2,167.3 /sq mi----
County population rank#20 of 74----
State population rank#348 of 1,778----

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 NY

ZIP CodeCityDistancePopulation estimate
ZIP 10601White Plains1.6 mi11,930
ZIP 10607White Plains1.9 mi6,466
ZIP 10523Elmsford2.1 mi9,450
ZIP 10604West Harrison2.2 mi12,517
ZIP 10595Valhalla2.3 mi7,243

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 →