Zip Code 10604 — West Harrison, NY

ZIP Code 10604 is associated with West Harrison, NY, in Westchester County. The listed population estimate is 12,517; estimated density is 715.8 people per square mile. Among records with population estimates, it ranks #30 of 74 in Westchester County and #459 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.060130, -73.739550)

Data MetricLocal Statistic
Postal / Zip Code10604
Primary CityWest Harrison
State / ProvinceNY
CountyWestchester
Total Population12,517
Population Density715.8 people/sq mi
TimezoneAmerica/New_York

How 10604 Compares

MetricZIP 10604Westchester County recordsNY records
Population estimate12,517997,782 (sum)19,771,902 (sum)
Population Density715.8 /sq mi----
County population rank#30 of 74----
State population rank#459 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 10577Purchase2.1 mi5,945
ZIP 10603White Plains2.2 mi18,910
ZIP 10601White Plains2.3 mi11,930
ZIP 10595Valhalla2.8 mi7,243
ZIP 10606White Plains3.3 mi17,341

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 →