2026 Compare Cities People:
San Marcos, CA vs Yuma, AZ

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Highlights
- Yuma is 0% more densely populated than San Marcos.
- People are 4.0% less likely to be married in Yuma.
- The Median Age is 3.9 years younger in Yuma.
 San Marcos, CAYuma, AZUnited States
 Population  Unlock95,154329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock31.738.4
 space3
 Population - 201083,948  Unlock309,327,143
 Population - 2000  Unlock77,515285,036,114
 Population - 199038,974  Unlock251,960,433
 Pop. 2000 to Now  Unlock28.8%15.6%
 Pop. 1990 to Now150.1%  Unlock30.8%
 space4
 Population Density  Unlock786.293.4
 Land Area24.4  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 San Marcos, CAYuma, AZUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock7.2%6.1%
 Age 10 to 148.0%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 205.2%  Unlock4.0%
 Age 21 to 24  Unlock7.7%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock11.6%12.9%
 Age 45 to 5412.4%  Unlock12.6%
 Age 55 to 59  Unlock4.8%6.7%
 Age 60 to 644.6%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
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 Race
 San Marcos, CAYuma, AZUnited States
 White43.5%  Unlock59.4%
 Black  Unlock2.2%12.2%
 Asian10.5%  Unlock5.6%
 Native American  Unlock0.8%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.2%  Unlock3.2%
 Hispanic  Unlock59.8%18.4%
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 Marriage & Family
 San Marcos, CAYuma, AZUnited States
 Married Population54.1%  Unlock49.8%
     Currently Married  Unlock50.5%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock48.1%50.2%
 Never Married31.5%  Unlock33.8%
 Divorced  Unlock11.0%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.622.60
 Households30,304  Unlock124,010,992
 Family Households  Unlock25,15880,755,759
     Married couple, w/children40.9%  Unlock30.5%
     Married couple, no children  Unlock37.1%42.9%
 Non Family Households7,787  Unlock43,255,233
     Single householder, w/children  Unlock21.6%15.8%
     Single householder, no children9.4%  Unlock10.8%
Reviews for San Marcos    5 Reviews

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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Over 16 years ago

Is this area to expensive for the average income retired  More

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Over 19 years ago

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

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Reviews for Yuma    48 Reviews

Retired here and it is a great place in many ways. The biggest drawback I have found is the cost and lack of medical care. Its not that far to PHX to get the care you  More

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Over 8 years ago

First let me confess that I lived in Yuma for about a year several decades ago. I was raised in NY and have lived & worked in several states & cities, most recently in  More

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Over 8 years ago

I am moving to Yuma sometime this year for a new job. I am looking for a place to live that is safe for 1 person. Does anyone have some  More

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