2025 Compare Cities Health:
Discovery Bay, CA vs Castro Valley, CA

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Highlights
- There are 226 physicians per 100,000 people in Castro Valley.
- There are 219 physicians per 100,000 people in Discovery Bay.
- The US average is 210 physicians per 100,000 people.
 Discovery Bay, CACastro Valley, CAUnited States
 Air Quality (100=best)  Unlock63.158.4
 Water Quality (100=best)35  Unlock55
 Superfund Sites (100=best)  Unlock94.386.9
 Physicians per Cap.219  Unlock210
 Health Cost  Unlock104100
   (100 = best)
Reviews for Discovery Bay    4 Reviews

Discovery Bay is a hidden gem on the Sacramento/San Joaquin Delta, which combines the best of suburban and rural living. It is 10 minutes from Brentwood, 25 minutes from  More

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Over 13 years ago

Discovery Bay is a small surburb between Antioch, Ca. and Tracy, Ca. right next to Brentwood, Ca. It's perfectly located for easy traveling to bigger cities. Perfect for  More

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Discovery Bay has access to boating and fishing. A majority of the houses have back yards on the water. There is nothing better than a relaxing day on the water when  More

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Reviews for Castro Valley    7 Reviews

CURMUDGEON - THANK YOU for your post. The most important part of your comment is your second paragraph. "Hodge-Podge" is the correct word for a lot of Castro  More

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Over 11 years ago

Kind of rural but close to Oakland and San  More

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Castro Valley is the largest unincorporated "city" in the Bay Area. Over the years, several attempts have been made to incorporate, but they have all been defeated at  More

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