2025 Compare Cities People:
San Marcos, TX vs Chicago Heights, IL

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Highlights
- Chicago Heights is 0% more densely populated than San Marcos.
- People are 26.6% more likely to be married in Chicago Heights.
- The Median Age is 10.7 years older in Chicago Heights.
 San Marcos, TXChicago Heights, ILUnited States
 Population  Unlock27,840329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.5%  Unlock49.5%
 Median Age  Unlock35.638.4
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 Population - 201045,258  Unlock309,327,143
 Population - 2000  Unlock32,776285,036,114
 Population - 199028,743  Unlock251,960,433
 Pop. 2000 to Now  Unlock-11.6%15.6%
 Pop. 1990 to Now130.8%  Unlock30.8%
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 Population Density  Unlock2,731.093.4
 Land Area34.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 San Marcos, TXChicago Heights, ILUnited States
 Age 0 to 43.7%  Unlock5.9%
 Age 5 to 9  Unlock6.6%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock6.0%3.9%
 Age 18 to 2016.9%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 3417.3%  Unlock13.8%
 Age 35 to 44  Unlock12.9%12.9%
 Age 45 to 546.6%  Unlock12.6%
 Age 55 to 59  Unlock6.5%6.7%
 Age 60 to 643.6%  Unlock6.3%
 Age 65 to 74  Unlock8.1%9.6%
 Age 75 to 841.9%  Unlock4.5%
 Age 85 and over  Unlock1.9%1.9%
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 Race
 San Marcos, TXChicago Heights, ILUnited States
 White45.2%  Unlock59.4%
 Black  Unlock39.2%12.2%
 Asian2.5%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.1%  Unlock3.2%
 Hispanic  Unlock36.9%18.4%
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 Marriage & Family
 San Marcos, TXChicago Heights, ILUnited States
 Married Population27.8%  Unlock49.8%
     Currently Married  Unlock31.9%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock64.8%50.2%
 Never Married61.2%  Unlock33.8%
 Divorced  Unlock10.3%10.8%
 Widowed2.8%  Unlock5.6%
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 Household Size  Unlock2.912.60
 Households25,732  Unlock124,010,992
 Family Households  Unlock6,23080,755,759
     Married couple, w/children21.9%  Unlock30.5%
     Married couple, no children  Unlock28.4%42.9%
 Non Family Households14,680  Unlock43,255,233
     Single householder, w/children  Unlock27.9%15.8%
     Single householder, no children20.6%  Unlock10.8%
Reviews for San Marcos    6 Reviews

An area with so much potential and existing natural beauty.Sadly bad urban planning is clearly obvious.Looks like fun for tens of thousands of students.However for the  More

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Over 16 years ago

San Marcos has the most beautiful people and places that I have ever seen throughout my travels. I love this city so much that I decided to settle down here and start a  More

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Over 17 years ago

I spent several summers and a couple winters in San Marcos during my formidable years and really have to tell those interested about what a nice town it is. The best  More

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Reviews for Chicago Heights    3 Reviews

Over 16 years ago

I think Chicago's public transportation is one of the best in the country. The system give you access to the entire metro area a surrounding suburbs. It is not a  More

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Over 18 years ago

What I've noticed since moving back about a year ago is that there are many, many pit bulls, rottweillers and any other labelled MEAN dogs! People let them run around  More

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Over 19 years ago

Born and raised here I might be biased, but I think Chicago is one of the best cities in which to live. There's always lots to do, whatever you're in to. Sporting  More

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