Castaic, California Population 2021

19,400
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Castaic is a city located in California. Castaic has a 2020 population of 19,400. Castaic is currently declining at a rate of 0.00% annually and its population has increased by 2.02% since the most recent census, which recorded a population of 19,015 in 2010. Castaic reached it's highest population of 19,529 in 2016.

The average household income in Castaic is $130,197 with a poverty rate of 4.05%. The median rental costs in recent years comes to $1,745 per month, and the median house value is $553,600. The median age in Castaic is 37.4 years, 36.3 years for males, and 39.1 years for females. For every 100 females there are 97.4 males.

Castaic Demographics

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

  • White: 71.73%
  • Asian: 10.59%
  • Other race: 7.03%
  • Two or more races: 5.35%
  • Black or African American: 3.79%
  • Native American: 1.23%
  • Native Hawaiian or Pacific Islander: 0.29%
The current population of Castaic, California is 19,400, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 18,921.The last official US Census in 2010 recorded the population at 19,015.

Castaic, California Population 2021

Population by Race

Race Population Percentage
White13,91671.73%
Asian2,05510.59%
Some Other Race1,3637.03%
Two or More Races1,0375.35%
Black or African American7353.79%
American Indian and Alaska Native2381.23%
Native Hawaiian and Other Pacific Islander560.29%
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Castaic Population by Race

Castaic Population Pyramid 2021

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Castaic Median Age

37.4


Total

36.3


Male

39.1


Female

Castaic Adults

There are 14,119 adults, (1,914 of whom are seniors) in Castaic.

Castaic Age Dependency

59

Age Dependency Ratio

15.7

Old Age Dependency Ratio

43.3

Child Dependency Ratio

Castaic Sex Ratio

Female

9,827

50.65%

Male

9,573

49.35%

Castaic Population by Age

Castaic Renter vs Owner Occupied by Household Type

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Castaic Household Types

Type Owner Renter
Married89%11%
Male85.9%14.1%
All83.1%16.9%
Non Family69.9%30.1%
Female67.9%32.1%

83.1%

Rate of Home Ownership

Castaic Households and Families

Type Count Average Size Owned
All5,8773.383.1
Married4,0133.6889
Non Family9571.3369.9
Female7443.7967.9
Male1633.3985.9

3.6

Average Family Size

3.3

Average Household Size

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Castaic Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3202.57%
9th to 12th Grade7646.14%
High School Graduate2,22817.91%
Some College3,14925.32%
Associates Degree1,46011.74%
Bachelors Degree3,16525.44%
Graduate Degree1,35310.88%
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Castaic Educational Attainment by Sex (over 25)

Castaic Educational Attainment by Race

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Name Total High School Bachelors
White6,9426,6702,722
Hispanic3,1562,513646
Asian1,4821,397793
Other Race816616157
Black516516268
Multiple Races33432351
Native American21418297
Islander5618

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 53.51%.

Castaic Educational Attainment by Race

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Name Average Male Female
Overall$61,229$77,181$47,519
Less Than High School$39,872$56,304$33,293
High School Grad$57,571$62,711$44,276
Some College$53,355$69,563$36,702
Bachelors Degree$80,342$97,500$56,962
Graduate Degree$90,875$111,500$76,571

$61,229

Average Earnings

$77,181

Average Male

$47,519

Average Female

Castaic Earnings by Educational Attainment

Castaic Language by Age

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Castaic Language

72.02% of Castaic residents speak only English, while 27.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.75% of the population.

Castaic Language

Castaic Poverty by Race

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Name Total In Poverty Poverty Rate
White10,3565164.98%
Asian2,0491487.22%
Hispanic5,408911.68%
Black735172.31%
Islander561017.86%
Other1,36370.51%

4.05%

Overall Poverty Rate

3.34%

Male Poverty Rate

4.74%

Female Poverty Rate

Poverty in Castaic

The race most likely to be in poverty in Castaic is Islander, with 17.86% below the poverty level.

The race least likely to be in poverty in Castaic is Other, with 0.51% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.88%. Among those working part-time, it was 5.26%, and for those that did not work, the poverty rate was 8.45%.

Castaic Poverty

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Name Poverty
Some College5.08%
Less Than High School4.06%
Bachelors or Greater3.92%
High School1.75%

Castaic Poverty Rate by Education

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Name Poverty
Female Unemployed18.53%
Male Unemployed12.66%
Female Employed2.25%
Male Employed1.27%

Castaic Poverty Rate by Employment Status and Sex

Castaic Income by Household Type

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Name Median Mean
Households$117,031$130,197
Families$126,353$139,027
Married Families$129,987-
Non Families$54,281$73,687
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Income by Household Type

Castaic Marital Status

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Marriage Rates

57.1%

Overall Marriage Rate

60.4%

Male Marriage Rate

54.1%

Female Marriage Rate

Castaic Married by Age and Sex

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Castaic Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Castaic Marital Status by Race

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Castaic Marital Status

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703

Number of Veterans

658

Male Veterans

45

Female Veterans

War Veterans
Vietnam198
Second Gulf War147
First Gulf War138
Korea66
World War II20

Castaic Veterans by War

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Age Group Veterans
35 to 54196
65 to 74161
55 to 64156
75+116
18 to 3474

Castaic Veterans by Age

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Name Veterans % of Total
White5915.79%
Hispanic1193.24%
Black558.25%
2 or More224.84%
Other212.31%
Asian140.88%

Castaic Veterans by Race

Castaic Veterans by Education

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3.41%

Veteran Poverty Rate

26.46%

Veteran Disability Rate

Castaic Veterans by Education

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67.5%

Labor Force Participation

64%

Employment Rate

5.2%

Unemployment Rate

Castaic Employment by Age

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Castaic Employment by Race

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Castaic Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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64.07%

Born in California

80.73%

Native Born

19.27%

Foreign Born

5.21%

Non Citizen

14.07%

Naturalized

Place of Birth

80.73% of Castaic residents were born in the United States, with 64.07% having been born in California. 5.21% 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

Year Population Growth Annual Growth Rate
202119,4000.00%
202019,4000.00%
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%
201019,0150.00%

Castaic Population by Year