2026 Compare Cities People:
San Marcos, CA vs Brookhaven, PA

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Highlights
- Brookhaven is 0% more densely populated than San Marcos.
- People are 12.6% less likely to be married in Brookhaven.
- The Median Age is 8.8 years older in Brookhaven.
 San Marcos, CABrookhaven, PAUnited States
 Population  Unlock8,243329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock44.438.4
 space3
 Population - 201083,948  Unlock309,327,143
 Population - 2000  Unlock7,985285,036,114
 Population - 199038,974  Unlock251,960,433
 Pop. 2000 to Now  Unlock0.9%15.6%
 Pop. 1990 to Now150.1%  Unlock30.8%
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 Population Density  Unlock4,826.193.4
 Land Area24.4  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 San Marcos, CABrookhaven, PAUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock4.1%6.1%
 Age 10 to 148.0%  Unlock6.6%
 Age 15 to 17  Unlock2.3%3.9%
 Age 18 to 205.2%  Unlock4.0%
 Age 21 to 24  Unlock3.2%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock10.0%12.9%
 Age 45 to 5412.4%  Unlock12.6%
 Age 55 to 59  Unlock11.3%6.7%
 Age 60 to 644.6%  Unlock6.3%
 Age 65 to 74  Unlock9.1%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock3.5%1.9%
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 Race
 San Marcos, CABrookhaven, PAUnited States
 White43.5%  Unlock59.4%
 Black  Unlock7.0%12.2%
 Asian10.5%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races4.2%  Unlock3.2%
 Hispanic  Unlock1.5%18.4%
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 Marriage & Family
 San Marcos, CABrookhaven, PAUnited States
 Married Population54.1%  Unlock49.8%
     Currently Married  Unlock45.6%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock52.7%50.2%
 Never Married31.5%  Unlock33.8%
 Divorced  Unlock13.6%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.272.60
 Households30,304  Unlock124,010,992
 Family Households  Unlock2,19680,755,759
     Married couple, w/children40.9%  Unlock30.5%
     Married couple, no children  Unlock39.6%42.9%
 Non Family Households7,787  Unlock43,255,233
     Single householder, w/children  Unlock24.4%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 Brookhaven    1 Reviews

Over 19 years ago

great location to Philly and airport, malls, everything is local, taxes are 4,000 yearly. Voted best school district, "dry" town, great place for kids, sidewalks, parks,  More

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