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2025 Compare Cities People:
Morro Bay, CA vs Castro Valley, CA

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Highlights
- Castro Valley is 0% more densely populated than Morro Bay.
- People are 11.4% more likely to be married in Castro Valley.
- The Median Age is 8.9 years younger in Castro Valley.
 Morro Bay, CACastro Valley, CAUnited States
 Population  Unlock66,324329,725,481
 Female Population51.2%  Unlock50.5%
 Male Population48.8%  Unlock49.5%
 Median Age  Unlock42.438.4
 space3
 Population - 201010,256  Unlock309,327,143
 Population - 2000  Unlock57,292285,036,114
 Population - 19909,664  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.0%15.6%
 Pop. 1990 to Now9.3%  Unlock30.8%
 space4
 Population Density  Unlock3,997.893.4
 Land Area5.3  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Morro Bay, CACastro Valley, CAUnited States
 Age 0 to 43.6%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 143.5%  Unlock6.6%
 Age 15 to 17  Unlock4.3%3.9%
 Age 18 to 204.6%  Unlock4.0%
 Age 21 to 24  Unlock3.5%5.2%
 Age 25 to 3412.1%  Unlock13.8%
 Age 35 to 44  Unlock14.4%12.9%
 Age 45 to 5412.1%  Unlock12.6%
 Age 55 to 59  Unlock7.8%6.7%
 Age 60 to 647.7%  Unlock6.3%
 Age 65 to 74  Unlock10.4%9.6%
 Age 75 to 848.4%  Unlock4.5%
 Age 85 and over  Unlock2.4%1.9%
 space1
 Race
 Morro Bay, CACastro Valley, CAUnited States
 White74.5%  Unlock59.4%
 Black  Unlock9.3%12.2%
 Asian5.3%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.1%  Unlock3.2%
 Hispanic  Unlock16.9%18.4%
 space2
 Marriage & Family
 Morro Bay, CACastro Valley, CAUnited States
 Married Population50.1%  Unlock49.8%
     Currently Married  Unlock54.5%48.0%
 Married but Separated3.1%  Unlock1.8%
 Single Population  Unlock44.2%50.2%
 Never Married29.2%  Unlock33.8%
 Divorced  Unlock8.4%10.8%
 Widowed7.5%  Unlock5.6%
 space5
 Household Size  Unlock2.902.60
 Households4,884  Unlock124,010,992
 Family Households  Unlock16,69280,755,759
     Married couple, w/children24.5%  Unlock30.5%
     Married couple, no children  Unlock45.3%42.9%
 Non Family Households2,160  Unlock43,255,233
     Single householder, w/children  Unlock11.2%15.8%
     Single householder, no children11.4%  Unlock10.8%
Voting
Reviews for Morro Bay    2 Reviews
Rob · Morro Bay, CA
MORRO BAY
Over 12 years ago

Morro Bay is mostly a small,quiet,working fishing and retirement community.It is located approximately 12 miles north of San Luis Obispo,Ca.The weather here is mild most  More

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Amy · Morro Bay, CA
move here if you can afford to
Over 19 years ago

Beautiful area, right on the ocean, cool huge rock in the water. I love the small, walkable community and the farmers market is awesome. The temperature is always  More

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Reviews for Castro Valley    7 Reviews
Ken · Walnut Creek, CA
2015 review of Castro Valley, CA
Over 10 years ago

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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Doug · Castro Valley, CA
Close to the big cities
Over 11 years ago

Kind of rural but close to Oakland and San  More

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Curmudgeon · Castro Valley, CA
Castro Valley Needs to Incorporate
Over 12 years ago

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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Learn More About Morro Bay, California
Overview
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Learn More About Castro Valley, California
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