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Zip Code 00921 — San Juan, PR

00921 is a ZIP Code associated with San Juan, PR, located within San Juan. The postal region supports an estimated population of 33,119 residents across Data Pending housing units, with a population density of 4,166.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (18.392060, -66.087100)

Data MetricLocal Statistic
Postal / Zip Code00921
Primary CitySan Juan
State / ProvincePR
CountySan Juan
Total Population33,119
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4,166.8 people/sq mi
TimezoneAmerica/Puerto_Rico

How 00921 Compares

MetricZIP 00921San Juan CountyPR State Average
Population33,119340,4033,233,341
Median IncomeData PendingN/AN/A
Population Density4,166.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 00927San Juan1.0 mi13,868N/A
Zip 00968Guaynabo1.3 mi3,633N/A
Zip 00966Guaynabo1.8 mi18,791N/A
Zip 00920San Juan1.9 mi15,900N/A
Zip 00969Guaynabo2.3 mi42,231N/A

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 →