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Zip Code 10573 — Port Chester, NY

ZIP Code 10573 is associated with Port Chester, NY, in Westchester County. The listed population estimate is 40,786; estimated density is 2,879.9 people per square mile. Among records with population estimates, it ranks #3 of 74 in Westchester County and #136 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.016760, -73.677350)

Data MetricLocal Statistic
Postal / Zip Code10573
Primary CityPort Chester
State / ProvinceNY
CountyWestchester
Total Population40,786
Population Density2,879.9 people/sq mi
TimezoneAmerica/New_York

How 10573 Compares

MetricZIP 10573Westchester County recordsNY records
Population estimate40,786997,782 (sum)19,771,902 (sum)
Population Density2,879.9 /sq mi----
County population rank#3 of 74----
State population rank#136 of 1,778----

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

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Nearby ZIP Codes in NY

ZIP CodeCityDistancePopulation estimate
ZIP 10577Purchase2.4 mi5,945
ZIP 10580Rye2.8 mi18,391
ZIP 10605White Plains3.6 mi19,493
ZIP 10528Harrison3.6 mi14,091
ZIP 10604West Harrison4.4 mi12,517

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 →