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Castaic, CA

Census-designated place in Los Angeles County, California.

Population

17,999

Land area

7.3sq mi

People per sq mi

2,479

ZIP codes

0

Castaic and its ZIP codes

Full map

Castaic at a glance

  • Castaic is about 9.8 times as dense as California as a whole.
  • The median household income is $129,863, 31% above the California median of $99,122.
  • A typical owner-occupied home is valued at $792,000 (8% above California) and median rent is $1,770 a month.

Local data for Castaic, CA

Counts from official public data

Housing and community stats

Castaic, CA, American Community Survey 2020-2024

Full profile

Median household income

$129,863

Poverty rate

5.1%

Median home value

$792,000

Median rent

$1,770/mo

Homeownership

83.1%

Bachelor's or higher

41.6%

Median age

37.9

Average commute

31.0 min

Largest reported origins and ancestries: Mexican Americans (4,472), German Americans (1,838), Irish Americans (1,059).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Los Angeles County. PPP loans are for Castaic.

Details

Unemployment rate

4.5%

Sep 2026, -1.4 pts in a year

Average annual pay

$86,080

4,525,460 jobs, 2025

Income per person

$83,888

BEA, 2024

Federal spending

$72.1B

FY 2026, $7,195 per person

Los Angeles County economyFederal spending

How people get to work

Castaic, CA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone73.2%
  • Carpooled7.8%
  • Public transit0.5%
  • Walked0.3%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other2.0%
  • Worked from home16.2%

Average one-way commute: 31.0 minutes for people who do not work from home.

Environment and hazard risk

Castaic, CA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very High

Top: earthquake

Storm events since 1996

662

Countywide, mostly flash flood

Flood insurance policies

10,584

0.5% of homes, county

July high / Jan low

94° / 47°F

16.8 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Castaic, CA, CDC PLACES estimates

All 40 measures

Obesity

24.5%

U.S. 33.3% -8.8 pts

Diabetes

9.7%

U.S. 12.1% -2.4 pts

Smoking

9.8%

U.S. 12.8% -3.0 pts

Uninsured (18-64)

6.8%

U.S. 11.1% -4.3 pts

Cities near Castaic

NameDistanceLand area (sq mi)
Hasley CanyonCensus-designated place2 mi5.7
Val VerdeCensus-designated place2.8 mi2.6
Stevenson RanchCensus-designated place6.4 mi6.4
Santa ClaritaCity9.2 mi73.6
PiruCensus-designated place11 mi3.2
Santa SusanaCensus-designated place15 mi1.3
Green ValleyCensus-designated place16 mi12.8
Simi ValleyCity16 mi41.5
FillmoreCity17 mi3.3
Lake HughesCensus-designated place17 mi10.6
San FernandoCity17 mi2.4
Agua DulceCensus-designated place19 mi22.8
Elizabeth LakeCensus-designated place19 mi6.2
Bell CanyonCensus-designated place19 mi3.6
MoorparkCity20 mi12.3
Oak ParkCensus-designated place22 mi5.3

Frequently asked questions

What county is Castaic, CA in?
Castaic is in Los Angeles County, California.
What is the population of Castaic, CA?
About 17,999 people live in Castaic, based on American Community Survey 5-year estimates.
What cities are near Castaic?
Nearby places include Hasley Canyon (2 mi), Val Verde (2.8 mi), Stevenson Ranch (6.4 mi), Santa Clarita (9.2 mi), Piru (11 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023