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Zip Code 93458 — Santa Maria, CA

ZIP Code 93458 is associated with Santa Maria, CA, in Santa Barbara County. The listed population estimate is 59,148; estimated density is 803.7 people per square mile. Among records with population estimates, it ranks #1 of 24 in Santa Barbara County and #129 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.954770, -120.490420)

Data MetricLocal Statistic
Postal / Zip Code93458
Primary CitySanta Maria
State / ProvinceCA
CountySanta Barbara
Total Population59,148
Population Density803.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 93458 Compares

MetricZIP 93458Santa Barbara County recordsCA records
Population estimate59,148443,880 (sum)39,286,245 (sum)
Population Density803.7 /sq mi----
County population rank#1 of 24----
State population rank#129 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 93444Nipomo5.6 mi21,611
ZIP 93429Casmalia6.6 mi99
ZIP 93434Guadalupe6.9 mi8,603
ZIP 93455Santa Maria8.0 mi44,611
ZIP 93445Oceano9.1 mi6,857

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 →