2026 Compare Cities People:
Castaic, CA vs Vista, CA

Change Cities
Highlights
- Vista is 0% more densely populated than Castaic.
- People are 21.4% less likely to be married in Vista.
- The Median Age is 3.8 years younger in Vista.
 Castaic, CAVista, CAUnited States
 Population  Unlock98,651329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock34.438.4
 space3
 Population - 201018,134  Unlock309,327,143
 Population - 2000  Unlock89,857285,036,114
 Population - 19907,647  Unlock251,960,433
 Pop. 2000 to Now  Unlock12.0%15.6%
 Pop. 1990 to Now149.0%  Unlock30.8%
 space4
 Population Density  Unlock5,266.293.4
 Land Area7.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Castaic, CAVista, CAUnited States
 Age 0 to 46.5%  Unlock5.9%
 Age 5 to 9  Unlock6.0%6.1%
 Age 10 to 148.1%  Unlock6.6%
 Age 15 to 17  Unlock4.6%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock6.1%5.2%
 Age 25 to 3413.4%  Unlock13.8%
 Age 35 to 44  Unlock14.2%12.9%
 Age 45 to 5415.2%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 646.1%  Unlock6.3%
 Age 65 to 74  Unlock6.5%9.6%
 Age 75 to 842.5%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Castaic, CAVista, CAUnited States
 White49.0%  Unlock59.4%
 Black  Unlock2.9%12.2%
 Asian11.9%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races7.3%  Unlock3.2%
 Hispanic  Unlock50.2%18.4%
 space2
 Marriage & Family
 Castaic, CAVista, CAUnited States
 Married Population59.6%  Unlock49.8%
     Currently Married  Unlock45.4%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock53.1%50.2%
 Never Married28.3%  Unlock33.8%
 Divorced  Unlock10.6%10.8%
 Widowed5.1%  Unlock5.6%
 space5
 Household Size  Unlock3.182.60
 Households5,656  Unlock124,010,992
 Family Households  Unlock22,03080,755,759
     Married couple, w/children41.3%  Unlock30.5%
     Married couple, no children  Unlock36.2%42.9%
 Non Family Households929  Unlock43,255,233
     Single householder, w/children  Unlock17.8%15.8%
     Single householder, no children11.1%  Unlock10.8%
Reviews for Castaic    3 Reviews

Over 10 years ago

I've lived in northern Castaic for 14 years so this review is for northern Castaic Pros: convenient freeway access, boating on Lake Castaic, lots of gas stations,  More

   |    Reply

Over 12 years ago

Formerly a "truck stop" town, Castaic is the last town before going over the Grapevine, heading North on I-5 towards San Francisco. The town is unincorporated and sits  More

   |    Reply

Over 13 years ago

I currently live in Valencia. Before I consider purchasing a house in Castaic off Lake Hughes Rd and closer to the lake, is it safe to live in this neighborhood? Any  More

   |    Reply

Start Your Review of Castaic

Reviews for Vista    21 Reviews

Over 5 years ago

I bought a house in Vista, CA, and lived there since 2013-2017. My kids and I loved that area (Shadow Ridge). People are friendly, down-to-earth, not snobby. I would  More

   |    Reply

I've lived here 3 years and it has an unbeatable climate. Close to everything you could want. A renovated downtown and access to mass transit. Very nice place, friendly  More

   |    Reply

Truly a hidden gem - I was nervous after first moving since it seemed far from San Diego, but my concerns have been fully alleviated in just a couple months of time in  More

   |    Reply

Start Your Review of Vista


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.