Castaic, CA
Demographics And Statistics

Demographics | Cost Of Living
Updated: 2025-10-25

Living In Castaic, California Summary

Life in Castaic research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Castaic over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in Castaic:

  • The population in Castaic is 18,479.

  • The median home value in Castaic is $797,390.

  • The median income in Castaic is $132,153.

  • The cost of living in Castaic is 166 which is 1.7x higher than the national average.

  • The median rent in Castaic is $1,751.

  • The unemployment rate in Castaic is 5.1%.

  • The poverty rate in Castaic is 4.0%.

  • The average high in Castaic is 75.3° and the average low is 54.1°.

Castaic SnackAbility

7
Overall SnackAbility
Jobs
8.5/10
Housing
9.5
Affordability
6
Diversity
9.5
Safety
N/A
Amenities
9
Education
8.5
Commute
4

Castaic, CA Cost Of Living

Cost of living in Castaic summary. We use data on the cost of living to determine how expensive it is to live in Castaic. Real estate prices drive most of the variance in cost of living around California. Key points include:

  • The cost of living in Castaic is 166 with 100 being average.

  • The cost of living in Castaic is 1.7x higher than the national average.

  • The median home value in Castaic is $797,390.

  • The median income in Castaic is $132,153.

166
Castaic's Overall Cost Of Living
1.7x
Higher Than The National Average

Cost Of Living In Castaic Comparison Table

Living Expense Castaic California National Average
Overall 166 141 100
Services 115 110 100
Groceries 111 112 100
Health 108 110 100
Housing 278 195 100
Transportation 124 125 100
Utilities 113 128 100

Castaic, CA Weather

  • The average high in Castaic is 75.3° and the average low is 54.1°.

  • There are 22.7 days of precipitation each year.

  • Expect an average of 16.2 inches of precipitation each year with 0.2 inches of snow.

StatCastaic
Average Annual High75.3
Average Annual Low54.1
Annual Precipitation Days22.7
Average Annual Precipitation16.2
Average Annual Snowfall0.2
75.3°
Average High
22.7
Days of Rain

Rankings for Castaic in California

Locations Around Castaic

Map Of Castaic, CA

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4

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5

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6

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Castaic Demographics And Statistics

Population over time in Castaic

The current population in Castaic is 18,479. The population has increased 1.9% from 2010.

Year Population % Change
2023 18,479 -0.9%
2022 18,643 3.5%
2021 18,017 -2.5%
2020 18,479 -4.7%
2019 19,400 2.5%
2018 18,921 -2.0%
2017 19,299 -1.2%
2016 19,529 0.8%
2015 19,369 4.0%
2014 18,619 1.1%
2013 18,415 -1.0%
2012 18,610 2.4%
2011 18,170 0.2%
2010 18,134 -

Race / Ethnicity in Castaic

White
43.1% (7,967)
African American
1.5% (275)
American Indian
0.1% (12)
Asian
11.5% (2,122)
Hawaiian
0.0% (0)
Other
1.4% (259)
Two Or More
6.3% (1,155)
Hispanic
36.2% (6,689)

Castaic is:

  • 43.1% White with 7,967 White residents.

  • 1.5% African American with 275 African American residents.

  • 0.1% American Indian with 12 American Indian residents.

  • 11.5% Asian with 2,122 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 1.4% Other with 259 Other residents.

  • 6.3% Two Or More with 1,155 Two Or More residents.

  • 36.2% Hispanic with 6,689 Hispanic residents.

Race Castaic CA USA
White 43.1% 34.6% 58.2%
African American 1.5% 5.3% 12.0%
American Indian 0.1% 0.3% 0.5%
Asian 11.5% 15.1% 5.7%
Hawaiian 0.0% 0.3% 0.2%
Other 1.4% 0.5% 0.5%
Two Or More 6.3% 4.1% 3.9%
Hispanic 36.2% 39.8% 19.0%

Gender in Castaic

Female
49.8% (9,200)
Male
50.2% (9,279)
  • Castaic is 49.8% female with 9,200 female residents.

  • Castaic is 50.2% male with 9,279 male residents.

Gender Castaic CA USA
Female 49.8% 50.0% 50.5%
Male 50.2% 50.0% 49.5%

Highest level of educational attainment in Castaic for adults over 25

  • 4.0% of adults in Castaic completed < 9th grade.

  • 4.0% of adults in Castaic completed 9-12th grade.

  • 18.0% of adults in Castaic completed high school / ged.

  • 22.0% of adults in Castaic completed some college.

  • 11.0% of adults in Castaic completed associate's degree.

  • 29.0% of adults in Castaic completed bachelor's degree.

  • 9.0% of adults in Castaic completed master's degree.

  • 2.0% of adults in Castaic completed professional degree.

  • 1.0% of adults in Castaic completed doctorate degree.

< 9th Grade
4.0% (739)
9-12th Grade
4.0% (739)
High School / GED
18.0% (3,326)
Some College
22.0% (4,065)
Associate's Degree
11.0% (2,032)
Bachelor's Degree
29.0% (5,358)
Master's Degree
9.0% (1,663)
Professional Degree
2.0% (369)
Doctorate Degree
1.0% (184)
Education Castaic CA USA
< 9th Grade 4.0% 8.0% 5.0%
9-12th Grade 4.0% 7.0% 6.0%
High School / GED 18.0% 20.0% 26.0%
Some College 22.0% 20.0% 19.0%
Associate's Degree 11.0% 8.0% 9.0%
Bachelor's Degree 29.0% 22.0% 21.0%
Master's Degree 9.0% 10.0% 10.0%
Professional Degree 2.0% 3.0% 2.0%
Doctorate Degree 1.0% 2.0% 2.0%

Household Income For Castaic, California

  • 2.3% of households in Castaic earn Less than $10,000.

  • 1.4% of households in Castaic earn $10,000 to $14,999.

  • 3.3% of households in Castaic earn $15,000 to $24,999.

  • 2.5% of households in Castaic earn $25,000 to $34,999.

  • 5.1% of households in Castaic earn $35,000 to $49,999.

  • 10.2% of households in Castaic earn $50,000 to $74,999.

  • 9.4% of households in Castaic earn $75,000 to $99,999.

  • 22.2% of households in Castaic earn $100,000 to $149,999.

  • 13.8% of households in Castaic earn $150,000 to $199,999.

  • 29.8% of households in Castaic earn $200,000 or more.

Less than $10,000
2.3% (43,210)
$10,000 to $14,999
1.4% (25,735)
$15,000 to $24,999
3.3% (61,003)
$25,000 to $34,999
2.5% (47,023)
$35,000 to $49,999
5.1% (93,411)
$50,000 to $74,999
10.2% (189,047)
$75,000 to $99,999
9.4% (173,161)
$100,000 to $149,999
22.2% (409,867)
$150,000 to $199,999
13.8% (255,452)
$200,000 or more
29.8% (549,985)
Income Castaic CA USA
Less than $10,000 2.3% 4.4% 4.9%
$10,000 to $14,999 1.4% 3.0% 3.6%
$15,000 to $24,999 3.3% 5.2% 6.6%
$25,000 to $34,999 2.5% 5.5% 6.8%
$35,000 to $49,999 5.1% 8.4% 10.4%
$50,000 to $74,999 10.2% 13.3% 15.7%
$75,000 to $99,999 9.4% 11.8% 12.7%
$100,000 to $149,999 22.2% 17.9% 17.4%
$150,000 to $199,999 13.8% 11.1% 9.3%
$200,000 or more 29.8% 19.4% 12.6%

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