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California›Los Angeles County

CastaicCA

A town of 17,999.

What should you know before moving to Castaic?

FEMA rates its natural-hazard risk higher than 98% of U.S. communities, with inland flooding at the top. Overall it grades B−, 196th among California's 841 graded towns. CDC estimates put its residents' health ahead of 85% of the country and the median household earns $130K. Its weakest subject is cost of living: homes are expensive, about $795K for a typical one and 8.3 times the Los Angeles metro’s $96K median household income. Castaic’s trail density is 0.1 miles per square mile, below both California’s towns (1.0) and U.S. towns (0.4). The biggest park or preserve is Violin Canyon Open Space, at 370 acres. Most errands need a car: it is less walkable than 68% of U.S. towns.

What makes Castaic stand out

Where Castaic beats most towns, and one thing worth knowing.

A commuter town

97% of working residents leave Castaic for work

Where Castaic’s working residents go each day. Line width shows the share.

32% → Los Angeles Los Angeles 32% 15% → Santa Clarita Santa Clarita 15% 5% → Burbank Burbank 5% 2% → Glendale Glendale 2% 1% → Pasadena Pasadena 1% 1% → Simi Valley Simi Valley 1% Castaic · 3% stay
1,565jobs based in Castaic
3%of working residents work in town
30 mimedian commute distance

Census LEHD 2023

How Castaic grades

Each subject compared with towns across the country (schools within California), ordered by how far Castaic is from typical.

How grading works
Character Graded, but not part of the overall grade.
Described, not graded Taste, not quality: snow or an older crowd is neither good nor bad.

How TownRatings grades towns →

Diseño del Rancho Castec 1854 Castaic California Kern Los Angeles
Diseño del Rancho Castec 1854 Castaic California Kern Los Angeles, 1854
Castaic’s story

Castaic in pictures

The archive holds 6 old photos and papers going back to 1854 and 5 maps from 1903 on.

Explore the history →
Nearby attractions

Six Flags Magic Mountain and 169 more within 40 miles

Museums, parks, gardens and other places to visit around Castaic. Close and well known come first.

All 233 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Six Flags Magic Mountain: Alton, CC BY 3.0 · Hollywood Walk of Fame: BenSherman, Public domain · Lucas Museum of Narrative Art: Kriddl, CC0 · St. Francis Dam: Stearns, H.T. USGS, Public domain · Los Angeles Memorial Coliseum: CanonStarGal, CC BY-SA 4.0 · Hollywood Sign: Thomas Wolf, www.foto-tw.de, CC BY-SA 3.0

Getting set up

Moving to Castaic: who provides what

Castaic is unincorporated, so Los Angeles County and regional agencies provide most services.

PowerSouthern California Edison31.5¢/kWh · EIA 2025HIFLD · EIA
WaterSanta Clarita Valley Water AgencyNo health-based violations in 5 years · EPAEPA
Internet4 providers99% of addresses get 100/20 MbpsFCC
Trash & county servicesLos Angeles CountyLos Angeles County provides services here
SchoolsCastaic Union School DistrictWilliam S. Hart Union High School District2 districts serve Castaic; which school depends on your address and gradeNCES
Register to voteOnlineIn California you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before).vote.gov
Who runs elections hereLos Angeles Registrar-Recorder County ClerkLos Angeles County; contacts on the Handbook page.FVAP, Sep 2025
ZIP code9138491384 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Castaic.

Castaic has milder winter nights than nearly all U.S. towns, has less tooth loss than most of California and sends most of its workers to Los Angeles and beyond.

Natural hazardsHazard risk grade D−

Castaic faces a very high natural-hazard risk, led by inland flooding

One flood insurance claim has been paid in Castaic since 2005.

98risk score of 100
FEMA risk score
98Very high riskLowerHigher
Inland floodingEarthquakesWildfire
1
paid flood claims since 2005
7
federal disasters paid out here

FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA

SchoolsA−

Castaic’s public schools outperform 81% of California districts

Its A− for schools comes with a D− for cost of living: the typical home is worth about $795K.

Its public schools are run by the Castaic Union school district. One of its 4 schools is below, with why it’s listed.

81%of CA districts it outscoresA−School Grade
SchoolLevelStudentsLetter
Live Oak ElementaryLargest public elementary schoolGrades K–6Grades K–6490–

NCES · EDFacts · graded within CA on state tests and graduation

HealthA−

Castaic’s grade for health is an A−

Its widest gap with California is tooth loss: 6.2% of those 65+ have lost all their teeth, against 10.6% statewide. Against the 4,561 U.S. towns with household incomes like Castaic’s, it is healthier than 57%, a smaller edge than it has nationally: part of it comes with its incomes.

25% of adults have obesity in Castaic, below both the California town median (29%) and the median of U.S. towns (35%). 39% of Castaic adults feel lonely. Castaic beats the California average on 16 of 32 CDC measures and trails it on 1.

85%healthier than U.S. townsA−Health Grade
CastaicCalifornia townsU.S. towns
Obesity (CDC PLACES)25%29%35%
Feel lonely (CDC PLACES)39%36%33%
High blood pressure (CDC PLACES)27%31%35%
Yearly checkup (CDC PLACES)72%72%79%
32 measures vs. California
16 better15 too close to call1 worse
What stands outCastaicCA
Fewer older adults who have lost all their teeth6.2%10.6%
Fewer uninsured adults6.8%10.6%
More binge drinkers17.4%15.3%
Adventist Health Simi Valley
14.5 mi away · emergency room
None
primary care, dental or mental-health shortage
76th
percentile among CA towns

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Work & commuteJobs & income grade A−

About one in three of Castaic’s working residents commute to Los Angeles

Castaic has 1,565 jobs for its 10,519 working residents: even if every job went to a resident, most would still commute out. Jobs based here grew from 1,104 in 2013 to 1,565.

Most working residents leave Castaic for work: only 3% work in town. The average trip to work in Castaic is 31 minutes. Since 2013, Castaic has added 461 jobs, to 1,565 in 2023.

3%work in town
CastaicCalifornia townsU.S. towns
Median household income$130,000$95,000$80,000
Average trip to work31 minutes28 minutes25 minutes
Below the poverty line5.1%10%9.6%
Work from home16%14%11%

Where working residents work

In Castaic3%
Los Angeles32%
Santa Clarita15%
Burbank5%
Glendale2%
30 mi
median commute distance
1,565
jobs based in Castaic
A commuter town
jobs vs. working residents
C
Walkability grade: more walkable than 32% of U.S. towns

Census LEHD 2023 · ACS

Climate

In Castaic, expect mild winters and hot summers

January nights average 40.9°, milder than in 95% of U.S. towns; July afternoons average 93.4°.

Castaic has warm winters and hot summers, with very little rain. Castaic’s July high is 93°F. Snow is almost unheard of.

95°summer high
CastaicCalifornia townsU.S. towns
July high93°F89°F85°F
January low41°F40°F22°F

Typical low → high °F

Winter41–64°
Spring47–74°
Summer60–92°
Fall52–80°
+2.3°
vs. the 20th-century average
95°
typical summer high

NOAA U.S. Climate Normals, 1991–2020

OutdoorsB

Conserved land covers 8.6% of Castaic

0.4 miles of trail in 4 parks and preserves.

8.6%conserved
8.6%
conserved · 398 of 4,636 acres
0.4 mi
of trails · 0.1 per sq mi
Biggest places to walkTrailsAcres
1. Violin Canyon Open Space—370
2. Castaic Lake State Recreation Area—8
3. Hasley Canyon Park—5

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Who lives here

Fewer young adults than California overall

Adults 18 to 34 are 20% of residents (24% statewide); children under 18 are 26% of residents (22% statewide). 42% of adults 25 and older hold a bachelor’s degree or more in Castaic.

37.9median age · CA 37.9
CastaicCalifornia townsU.S. towns
Bachelor’s degree or more, 25+42%29%29%
Aged 65 or older12%16%18%
Under 1826%22%22%
Median age37.9 years39.1 years40.5 years
CastaicCaliforniaUnited States

Ages · share of residents

Education · adults 25 and older

No diploma8%
High school16%
Some college22%
Associate’s13%
Bachelor’s29%
Graduate13%

Women and men · all residents

51% women, 49% men

That’s an even split within the survey’s margin of ±4 points. Across California, 50.1% of residents are women. Median age: women 37.6, men 38.4.

Ages and education in Castaic
CastaicCAU.S.
Under 1013.6%11.4%11.6%
10 to 1712.3%10.5%10.3%
18 to 247.4%9.1%9.1%
25 to 3412.3%14.8%13.7%
35 to 4413.6%13.9%13.2%
45 to 5415%12.5%12.2%
55 to 6413.6%12.1%12.7%
65 to 748.7%9.2%10.2%
75 and older3.6%6.5%7%
No diploma7.5%15.3%10.4%
High school16.1%20.5%26%
Some college22%19.3%19.1%
Associate’s12.9%7.9%8.8%
Bachelor’s28.8%22.7%21.6%
Graduate12.8%14.4%14.1%

U.S. Census Bureau · ACS 2020-2024 5-year estimates

HousingCost of living grade D−

Castaic’s grade for cost of living is a D−

72.6% of renter households pay 30% or more of their income for housing, against 55.3% across California.

$795KZillow home value

Typical home value

Castaic$795K
California$762K
Market temperature
BalancedA seller's marketBuyer’sSeller’s
17
days on market
100.2%
sale-to-list price
−0.4%
value change, 1 year
12
homes sold in May

Zillow Home Value Index · Redfin Data Center

Keep exploring

Everything we know about Castaic

18pages on Castaic
After high school

Colleges nearby

3 within 15 miles of the center of Castaic

About Castaic

Census-designated place in California, United States

Castaic ( ) (Chumash: Kaštiq; Spanish: Castéc) is an unincorporated community and census-designated place (CDP) in northwestern Los Angeles County, California, United States. As of the 2020 census it had a population of 18,937. Tens of thousands of motorists pass through Castaic daily as they drive to or from Los Angeles on Interstate 5 (the Golden State Freeway). Castaic Lake is part of the California Water Project and is the site of a hydro-electric power plant. Castaic is 38 miles (61 km) northwest of Los Angeles Union Station and northwest of the city of Santa Clarita. The Castaic Range War went on for decades in the late 19th and early 20th centuries resulting in dozens of deaths befor…

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
7.3 sq mi
Elevation
1,280 ft
ZIP code
91310, 91384

Castaic’s neighbors

One town shares a border with Castaic.

Explore the map →
Hasley CanyonHasley CanyonCastaic
How the neighbors grade
TownCA rankOverallCostSafetySchoolsHealth
Castaic#196B−D−—A−A−
Hasley Canyon——D−—A−B

Hasley Canyon has fewer than 2,500 residents, so it gets subject grades but no overall grade. Castaic and Hasley Canyon report no FBI crime data of their own. Compare Castaic with a neighbor →

Questions about Castaic

Short answers, built from the data on this page.

Is Castaic, CA a good place to live?

Castaic grades B− overall, better than 51% of U.S. towns and #196 of 841 in California. It grades A− for health and A− for schools. Hazard risk is its weak spot, with a D−.

Is Castaic, CA expensive?

Yes. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades D−.