Castaic, CA Profile: Facts, Map & Data


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Castaic, California - Basic Facts

The Castaic Census Designated Place had a population of 19,614 as of July 1, 2016.

The primary coordinate point for Castaic is located at latitude 34.4801 and longitude -118.6329 in Los Angeles County. The formal boundaries for the Castaic Census Designated Place (see map below) encompass a land area of 7.26 sq. miles and a water area of 0.02 sq. miles. Los Angeles County is in the Pacific time zone (GMT -8). The elevation is 1,227 feet.

The Castaic Census Designated Place (GNIS ID: 2582966) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Castaic Census Designated Place is located within Newhall CCD of Los Angeles County.

Beneath the boundary map are tables with Castaic population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Castaic: Castac.

Neighborhood Data

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Castaic Census Designated Place, CA Boundary Map

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Boundary Maps: Newhall CCD | Los Angeles County | California Counties

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Castaic, CA Data & Demographics (As of July 1, 2016)


Total Population 19,614
Population in Households 19,454
Population in Familes 17,720
Population in Group Qrtrs 160
Population Density1 2,701
Diversity Index2 69


Total Households 5,857
Average Household Size 3.32
Family Households 4,931
Average Family Size 4


Total Housing Units 6,021 (100%)
Owner Occupied HU 4,927 (81.8%)
Renter Occupied HU 930 (15.4%)
Vacant Housing Units 164 ( 2.7%)
Median Home Value $476,711
Average Home Value $514,884


Median Household Income $112,371
Average Household Income $132,609
Per Capita Income $40,066
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.5% 0.58%
Households 0.29% 0.46%
Families 0.31% 0.49%
Median Household Income   1.0%
Per Capita Income   1.21%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Castaic, CA - Peer Comparisons by Rank and Percentile

The table below compares Castaic to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2016 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 # 349 77th
Population Density1 # 508 67th
Diversity Index2 # 650 57th
Median Household Income # 94 94th
Per Capita Income # 327 78th

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

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