Castaic, California Population 2024

18,581

Castaic Demographics

According to the most recent ACS, the racial composition of Castaic was:

  • White: 54.69%
  • Two or more races: 18.78%
  • Asian: 11.91%
  • Other race: 11.72%
  • Black or African American: 1.49%
  • Native American: 1.41%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
7.3 sq mi
Density (mi²)
2,558.80/sq mi
Growth Since 2020
0.55% (102)
The current population of Castaic, California is 18,581 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 18,479.

Population by Race

Race
Population
Percentage (of total)
White10,10754.69%
Two or more races3,47018.78%
Asian2,20111.91%
Other race2,16611.72%
Black or African American2751.49%
Native American2601.41%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Castaic Population by Race

Castaic Population Pyramid 2024

Castaic Median Age

37.2

Total

37.2

Male

37.2

Female

Castaic Adults

There are 13,709 adults, (2,153 of whom are seniors) in Castaic.

Castaic Age Dependency

59.9

Age Dependency Ratio

18.6

Old Age Dependency Ratio

41.3

Child Dependency Ratio

Castaic Sex Ratio

Female9,20049.79%
Male9,27950.21%

Castaic Population by Age

Castaic Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,8163.1884.415.6
Married4,0193.55919
Non Family9151.157.442.6
Female5643.5880.919.1
Male3183.7384.915.1

3.46

Average Family Size

3.18

Average Household Size

84.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Castaic Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade4673.8%
Associates Degree1,37611.18%
Bachelors Degree3,60729.32%
Graduate Degree1,48212.05%
High School Graduate2,23018.13%
Less Than 9th Grade3823.1%
Some College2,75922.43%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Castaic Educational Attainment by Sex (over 25)

Castaic Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White5,6125,4262,813
Hispanic3,9813,4781,023
2+ Races1,9791,718547
Asian1,7391,625897
Other Race1,3581,173311
Black20020071
Native American19716455

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 51.58%.

Castaic Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$83,431$110,219$63,983
Graduate Degree$105,469$111,979$94,740
High School Graduate$61,595$74,182$38,333
Less Than 9th Grade$65,571$65,768$0
Overall$72,739$93,060$57,603
Some College$64,583$84,500$50,491

$72,739

Average Earnings

$93,060

Average Male

$57,603

Average Female

Castaic Earnings by Educational Attainment

Castaic Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Castaic Language

68.03% of Castaic residents speak only English, while 31.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 19.64% of the population.

Castaic Language

Castaic Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,9672863.59%
Asian2,20122010%
Hispanic6,6582003%
Multiple3,4391504.36%
Black2753914.18%
Other2,166301.39%

4.04%

Overall Poverty Rate

4.95%

Male Poverty Rate

3.12%

Female Poverty Rate

Poverty in Castaic

The race most likely to be in poverty in Castaic is Black, with 14.18% below the poverty level.

The race least likely to be in poverty in Castaic is Other, with 1.39% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.58%. Among those working part-time, it was 2.43%, and for those that did not work, the poverty rate was 11.08%.

Castaic Poverty

rate

Rate
Poverty
Less Than 9th Grade6.36%
High School4.98%
Bachelors or Greater4.22%
Some College3.56%

Castaic Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed9.03%
Male Employed1.06%
Female Employed0.91%
Male Unemployed0.52%

Castaic Poverty Rate by Employment Status and Sex

Castaic Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$144,610$168,680
Households$132,153$156,900
Married Families$157,287$-999,999,999
Non Families$51,771$71,859

mean

median

Income by Household Type

Castaic Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.8%

Overall Marriage Rate

60.5%

Male Marriage Rate

57.1%

Female Marriage Rate

Castaic Married by Age and Sex

male

female

Castaic Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Castaic Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Castaic Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

519

Number of Veterans

462

Male Veterans

57

Female Veterans

War
Veterans
First Gulf War171
Second Gulf War163
Vietnam122
Korea11
World War II0

Castaic Veterans by War

count

Age Group
Veterans
35 to 54154
55 to 64111
65 to 7492
18 to 3481
75+81

Castaic Veterans by Age

count

Name
Veterans
% of Total
White3845.16%
Hispanic1022.26%
2+ Races803.43%
Black3615.72%
Asian150.79%
Other Race40.26%

Castaic Veterans by Race

Castaic Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.59%

Veteran Poverty Rate

22.93%

Veteran Disability Rate

Castaic Veterans by Education

LaborForceParticipation

68.6%

Labor Force Participation

64.9%

Employment Rate

5.1%

Unemployment Rate

Castaic Employment by Age

LaborForceParticipation

Castaic Employment by Race

LaborForceParticipation

Castaic Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

65.85%

Born in Castaic

78.56%

Native Born

21.44%

Foreign Born

5.61%

Non Citizen

15.83%

Naturalized

Place of Birth

78.56% of Castaic residents were born in the United States, with 65.85% having been born in California. 5.61% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Castaic Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202418,581-31-0.17%
202318,612-31-0.17%
202218,6436263.47%
202118,017-462-2.5%
202018,479-921-4.75%
201919,4004792.53%
201818,921-378-1.96%
201719,299-230-1.18%
201619,5291600.83%
201519,3697504.03%
201418,6192041.11%
201318,415-195-1.05%
201218,6104402.42%
201118,170-845-4.44%
201019,01500%

Castaic Population by Year