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2025 Compare Cities People:
Rio Vista, CA vs San Marcos, CA

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Highlights
- San Marcos is 0% more densely populated than Rio Vista.
- People are 0.3% less likely to be married in San Marcos.
- The Median Age is 28.4 years younger in San Marcos.
 Rio Vista, CASan Marcos, CAUnited States
 Population  Unlock94,313329,725,481
 Female Population55.6%  Unlock50.5%
 Male Population44.4%  Unlock49.5%
 Median Age  Unlock35.638.4
 space3
 Population - 20107,374  Unlock309,327,143
 Population - 2000  Unlock54,977285,036,114
 Population - 19903,316  Unlock251,960,433
 Pop. 2000 to Now  Unlock77.3%15.6%
 Pop. 1990 to Now200.9%  Unlock30.8%
 space4
 Population Density  Unlock3,872.393.4
 Land Area6.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Rio Vista, CASan Marcos, CAUnited States
 Age 0 to 41.9%  Unlock5.9%
 Age 5 to 9  Unlock8.0%6.1%
 Age 10 to 141.8%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 200.0%  Unlock4.0%
 Age 21 to 24  Unlock4.5%5.2%
 Age 25 to 3411.8%  Unlock13.8%
 Age 35 to 44  Unlock15.9%12.9%
 Age 45 to 547.7%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 6416.2%  Unlock6.3%
 Age 65 to 74  Unlock7.5%9.6%
 Age 75 to 8417.2%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Rio Vista, CASan Marcos, CAUnited States
 White64.0%  Unlock59.4%
 Black  Unlock1.5%12.2%
 Asian4.5%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.3%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races1.4%  Unlock3.2%
 Hispanic  Unlock39.7%18.4%
 space2
 Marriage & Family
 Rio Vista, CASan Marcos, CAUnited States
 Married Population54.3%  Unlock49.8%
     Currently Married  Unlock52.7%48.0%
 Married but Separated2.9%  Unlock1.8%
 Single Population  Unlock45.9%50.2%
 Never Married19.0%  Unlock33.8%
 Divorced  Unlock9.1%10.8%
 Widowed9.9%  Unlock5.6%
 space5
 Household Size  Unlock3.082.60
 Households5,025  Unlock124,010,992
 Family Households  Unlock22,51780,755,759
     Married couple, w/children6.9%  Unlock30.5%
     Married couple, no children  Unlock35.3%42.9%
 Non Family Households2,147  Unlock43,255,233
     Single householder, w/children  Unlock14.4%15.8%
     Single householder, no children17.1%  Unlock10.8%
Voting
Reviews for Rio Vista    2 Reviews
Mike · Rio Vista, CA
An inviting mix of rural and suburban lifestyles
Over 7 years ago

Known as “the Gateway to the Delta”, Rio Vista is located in the heart of the California Delta on the Sacramento River. The views along the wide river bring to mind the  More

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cyndi · Rio Vista, CA
What you can and can not find in Rio Vista
Over 14 years ago

There is plenty to be had in Rio Vista, particularly if you like dead animal heads on a bar wall (Fosters Big Horn) and a state of the art fish cleaning station located  More

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Reviews for San Marcos    5 Reviews
Kevin · San Marcos, CA
Best place I have ever lived.
Over 7 years ago

Just an amazing place to live. I have lived in 7 states and almost countless cities. Sam Marcos is one of the best. This is literally the longest place I have lived  More

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Norman · Vail, AZ
retiree location ?
Over 15 years ago

Is this area to expensive for the average income retired  More

   |    Reply
Greg · South Pasadena, CA
San Marcos Weather
Over 18 years ago

Beautiful Mediterranean climate with bright sunshine and ocean breazes. City is just 15 minutes away from the  More

   |    Reply

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Learn More About Rio Vista, California
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