Zip Code 93455 — Santa Maria, CA

ZIP Code 93455 is associated with Santa Maria, CA, in Santa Barbara County. The listed population estimate is 44,611; estimated density is 145.6 people per square mile. Among records with population estimates, it ranks #4 of 24 in Santa Barbara County and #312 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.841950, -120.455220)

Data MetricLocal Statistic
Postal / Zip Code93455
Primary CitySanta Maria
State / ProvinceCA
CountySanta Barbara
Total Population44,611
Population Density145.6 people/sq mi
TimezoneAmerica/Los_Angeles

How 93455 Compares

MetricZIP 93455Santa Barbara County recordsCA records
Population estimate44,611443,880 (sum)39,286,245 (sum)
Population Density145.6 /sq mi----
County population rank#4 of 24----
State population rank#312 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 93429Casmalia4.9 mi99
ZIP 93437Lompoc6.5 mi3,477
ZIP 93458Santa Maria8.0 mi59,148
ZIP 93434Guadalupe11.2 mi8,603
ZIP 93440Los Alamos13.3 mi1,185

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 →