2026 Compare Cities Health:
Castaic, CA vs Irvine, CA

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Highlights
- There are 249 physicians per 100,000 people in Irvine.
- There are 211 physicians per 100,000 people in Castaic.
- The US average is 210 physicians per 100,000 people.
 Castaic, CAIrvine, CAUnited States
 Air Quality (100=best)  Unlock55.358.4
 Water Quality (100=best)52  Unlock55
 Superfund Sites (100=best)  Unlock96.986.9
 Physicians per Cap.211  Unlock210
 Health Cost  Unlock96100
   (100 = best)
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

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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

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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

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Reviews for Irvine    42 Reviews

We've lived in Irvine since '87. We have raised two children within the ISUD. Both are grown up. Sure, there have been many changes since then.. the City has  More

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I've lived in Irvine for 2 years and in Orange County for 10 so I'm pretty familiar with the area by now and all it has to offer. Perhaps my review of this place has  More

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I wouldn't live elsewhere. I originally moved to Irvine in 2002 from the Midwest, not knowing what it even was. I left and moved around a great deal locally in OC,  More

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