CITY
Castaic
California · 17,999 residents · 7.26 sq mi
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Part of the Los Angeles metro area
Notable rankings
#334Fastest shrinkingof 6,811-5.0%The short version
With 17,999 people, Castaic is a city in California. Median home value sits at $792,000. Owners hold 83% of the housing stock. Few US cities rank higher on income. Median household income runs $129,863, well clear of the $82,259 US median. Households here earn about 31% more than in California as a whole.
At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 37.9
US median: 38.9
More educated
42% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth
Land area
7.26 sq mi
Population, 2010 – 2024
202418K
Age distribution, 2024
Under 55.8%(1,051)
5 to 97.8%(1,405)
10 to 147%(1,258)
15 to 197.8%(1,401)
20 to 244.9%(889)
25 to 3412.3%(2,211)
35 to 4413.6%(2,440)
45 to 5415%(2,696)
55 to 6413.6%(2,439)
65 to 748.7%(1,559)
75 to 843.2%(571)
85 and over0.4%(79)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$129,863
−5%inflation adjusted, since 2023
from $132,153 in 2023
US average: $82,259
2010 – 2024
Households earning $100K+
75.0%
−0.1 ptssince 2023
from 75.1% in 2023
US average: 53.3%
Workforce by industry, 2024
Other services10.2%
Information9.2%
Retail trade8.4%
Public administration8.1%
Finance & insurance7.7%
Arts, entertainment, food6.2%
Professional, scientific, technical5.5%
Wholesale trade4.8%
Education & health services2.3%
Transportation & warehousing1.6%
Agriculture, forestry, fishing0.9%
Construction0.9%
Manufacturing0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$792,000
+8%inflation adjusted, since 2023
from $710,400 in 2023
US average: $376,019
2010 – 2024
6.1
+13%since 2023
from 5.4 in 2023
2010 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
44
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity
2023
White, non-Hispanic43.1%(7,967)
Black1.5%(275)
Hispanic / Latino36.2%(6,689)
Asian11.5%(2,122)
Other7.7%(1,426)
2024
White, non-Hispanic43.9%(7,903)
Black2.2%(394)
Hispanic / Latino36.3%(6,530)
Asian10.2%(1,844)
Other7.4%(1,328)
82
−1%since 2023
from 83 in 2023
2011 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry
Hispanic origin
Mexican24.8%(4,472)
Central American6.6%(1,185)
Salvadoran4.9%(876)
Cuban1.4%(246)
South American1.2%(223)
Peruvian0.9%(160)
Spaniard0.8%(139)
Guatemalan0.6%(113)
Puerto Rican0.5%(89)
Costa Rican0.5%(84)
Honduran0.4%(70)
Colombian0.3%(53)
+ 3 more hispanic origin groups with data
Asian origin
Filipino5.3%(955)
Chinese1.6%(296)
Asian Indian1.2%(215)
Korean1.2%(212)
Vietnamese0.4%(67)
Sri Lankan0.3%(54)
Pakistani0.2%(40)
Japanese0.2%(31)
Uzbek0.1%(13)
Indonesian0.1%(11)
Laotian0.1%(9)
Ancestry
English11.2%(2,014)
German10.2%(1,838)
Irish5.9%(1,059)
Italian4.9%(878)
American3.7%(672)
Swedish2.4%(431)
Norwegian2%(354)
French1.8%(329)
Polish1.3%(229)
Scottish1.1%(204)
Hungarian1.1%(196)
British1.1%(195)
+ 28 more ancestry groups with data
Danish1.1%(194)
Subsaharan African1%(183)
Russian0.9%(167)
Arab0.8%(147)
Portuguese0.7%(132)
Brazilian0.7%(120)
Armenian0.6%(109)
Ukrainian0.6%(107)
Scotch-Irish0.6%(105)
Canadian0.6%(104)
Dutch0.5%(92)
Serbian0.5%(81)
Egyptian0.4%(74)
Czech0.4%(65)
Welsh0.3%(54)
Lebanese0.2%(44)
French Canadian0.2%(43)
Greek0.2%(33)
Croatian0.2%(29)
Austrian0.1%(25)
Nigerian0.1%(25)
Lithuanian0.1%(21)
Finnish0.1%(16)
West Indian0.1%(16)
Romanian0.1%(15)
Swiss0.1%(13)
Turkish0.1%(9)
Somali0%(2)
Section 05
Education
High school or higher
92.5%
−0.6 ptssince 2023
from 93.1% in 2023
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Women 20-64 in the labor force
74.9%
US average: 74.6%
Section 08
People & community
Computer in household
99.4%
US average: 95.5%
Marital status
Men 15+
Never married32.2%(2,254)
Married60.9%(4,262)
Widowed1%(73)
Divorced5.9%(412)
Women 15+
Never married28.9%(2,105)
Married56.8%(4,137)
Widowed5.2%(381)
Divorced9.1%(661)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage
Direct-purchase
11.5%
US average: 13.8%
VA health care
0.8%
US average: 2.2%
Any private
78.4%
US average: 67.1%
Any public
25.2%
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)33.1%(172)
Gulf War (1990s)30.4%(158)
Vietnam era27.9%(145)
Korean War1.7%(9)
World War II0%(0)
Share of the 520 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
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Compare Castaic to nearby cities
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CASTAIC VS
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CASTAIC VS
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CASTAIC VS
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Home value$602,500−24%
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Frequently asked
How many people live in Castaic, California?
Castaic, California has about 17,999 residents according to the 2024 American Community Survey.
What is the median household income in Castaic, California?
The typical household in Castaic, California earns about $129,863 a year. Half of households make more than that, and half make less.
Is Castaic, California expensive?
In Castaic, California, the median home is worth about $792,000, and the typical rent is about $1,770 a month.
How educated are people in Castaic, California?
About 41.6% of adults age 25 and over in Castaic, California hold a bachelor's degree or higher.
What is the poverty rate in Castaic, California?
About 5.1% of people in Castaic, California live below the federal poverty line.
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CaliforniaDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024