2026 Compare Cities Health:
Castaic, CA vs Columbia, SC

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Highlights
- There are 268 physicians per 100,000 people in Columbia.
- There are 211 physicians per 100,000 people in Castaic.
- The US average is 210 physicians per 100,000 people.
 Castaic, CAColumbia, SCUnited States
 Air Quality (100=best)  Unlock39.958.4
 Water Quality (100=best)52  Unlock55
 Superfund Sites (100=best)  Unlock87.786.9
 Physicians per Cap.211  Unlock210
 Health Cost  Unlock107100
   (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 Columbia    50 Reviews

Over 3 years ago

I love living in Columbia! I recently graduated from USC and plan to stay. I read the reviews posted here and it shows that like many cities, your experience will depend  More

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Loved living in Columbia, SC prior to my job transfer. It's the perfect size - plenty to do, but still a laid back place. People are extremely friendly, there are  More

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Columbia is such a unique and underrated place. It has a lot of character and history, and good nature trails. Everything feels accessible (by car) and you can get from  More

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