Castaic, CA 91384 ZIP Code Profile

Related Place Profiles:
Castaic, CA | Santa Clarita, CA | Val Verde, CA

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ZIP Code 91384: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Castaic, CA 91384

Acceptable Alternative
Santa Clarita, CA 91384
Val Verde, CA 91384

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 217
  • Single Family Addresses: 6,624
  • Multi-Family Addresses: 419
  • County: Los Angeles County
  • Centroid: Latitude 34.465, Longitude -118.641
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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91384 ZIP Code Map

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Castaic, CA 91384 Data & Demographics (As of July 1, 2017)


Total Population 30,933
Daytime Population: Workers 10,157
Daytime Population: Residents 11,394
Total Daytime Population (TDP) 21,551
Ratio TDP/Total Population1 0.70
Population in Households 23,561
Population in Familes 21,319
Population in Group Qrtrs 7,372
Population Density2 175
Diversity Index3 83


Median Household Income $109,518
Average Household Income $133,698
Per Capita Income $32,959


Total Housing Units 7,314 (100%)
Owner Occupied HU 5,923 (81.0%)
Renter Occupied HU 1,166 (15.9%)
Vacant Housing Units 225 ( 3.1%)
Median Home Value $475,111
Average Home Value $530,677


Total Households 7,089
Average Household Size 3.32
Family Households 5,912
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.47% 0.38%
Households 0.28% 0.38%
Families 0.32% 0.4%
Median Household Income   1.79%
Per Capita Income   2.54%

Castaic, CA 91384 - Peer Comparisons by Rank and Percentile

The table below compares 91384 to the other 1,761 ZIP Codes in California by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 587 67th
Population Density # 1116 37th
Diversity Index # 369 79th
Median Household Income # 134 92nd
Per Capita Income # 752 57th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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