Zip Code 10504 — Armonk, NY

ZIP Code 10504 is associated with Armonk, NY, in Westchester County. The listed population estimate is 7,665; estimated density is 183.5 people per square mile. Among records with population estimates, it ranks #42 of 74 in Westchester County and #601 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.130650, -73.706290)

Data MetricLocal Statistic
Postal / Zip Code10504
Primary CityArmonk
State / ProvinceNY
CountyWestchester
Total Population7,665
Population Density183.5 people/sq mi
TimezoneAmerica/New_York

How 10504 Compares

MetricZIP 10504Westchester County recordsNY records
Population estimate7,665997,782 (sum)19,771,902 (sum)
Population Density183.5 /sq mi----
County population rank#42 of 74----
State population rank#601 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 10594Thornwood3.5 mi5,110
ZIP 10570Pleasantville4.3 mi13,289
ZIP 10514Chappaqua4.5 mi11,790
ZIP 10549Mount Kisco4.8 mi16,135
ZIP 10595Valhalla5.0 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 →