Home > CA > San Bernardino County > Rialto > Zip 92377

Zip Code 92377 — Rialto, CA

ZIP Code 92377 is associated with Rialto, CA, in San Bernardino County. The listed population estimate is 20,814; estimated density is 1,117.1 people per square mile. Among records with population estimates, it ranks #41 of 85 in San Bernardino County and #803 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.152340, -117.404120)

Data MetricLocal Statistic
Postal / Zip Code92377
Primary CityRialto
State / ProvinceCA
CountySan Bernardino
Total Population20,814
Population Density1,117.1 people/sq mi
TimezoneAmerica/Los_Angeles

How 92377 Compares

MetricZIP 92377San Bernardino County recordsCA records
Population estimate20,8142,188,912 (sum)39,286,245 (sum)
Population Density1,117.1 /sq mi----
County population rank#41 of 85----
State population rank#803 of 1,762----

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 CA

ZIP CodeCityDistancePopulation estimate
ZIP 92376Rialto3.2 mi84,394
ZIP 92336Fontana3.4 mi105,517
ZIP 92407San Bernardino5.0 mi71,711
ZIP 92411San Bernardino5.1 mi27,249
ZIP 92335Fontana5.7 mi97,511

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 →