2025 Compare Cities People:
San Ramon, CA vs St. Charles, MO

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Highlights
- St. Charles is 0% more densely populated than San Ramon.
- People are 23.1% less likely to be married in St. Charles.
- The Median Age is 2.9 years younger in St. Charles.
 San Ramon, CASt. Charles, MOUnited States
 Population  Unlock70,218329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock37.738.4
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 Population - 201071,784  Unlock309,327,143
 Population - 2000  Unlock60,321285,036,114
 Population - 199035,303  Unlock251,960,433
 Pop. 2000 to Now  Unlock19.0%15.6%
 Pop. 1990 to Now134.7%  Unlock30.8%
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 Population Density  Unlock2,844.393.4
 Land Area18.7  Unlock3,531,905.4
 Water Area  Unlock0.4264,836.8
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 Est. Total Population By Age
 San Ramon, CASt. Charles, MOUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock5.3%6.1%
 Age 10 to 149.8%  Unlock6.6%
 Age 15 to 17  Unlock2.6%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock7.8%5.2%
 Age 25 to 348.2%  Unlock13.8%
 Age 35 to 44  Unlock12.0%12.9%
 Age 45 to 5418.6%  Unlock12.6%
 Age 55 to 59  Unlock7.6%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock9.9%9.6%
 Age 75 to 843.4%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
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 Race
 San Ramon, CASt. Charles, MOUnited States
 White35.9%  Unlock59.4%
 Black  Unlock6.6%12.2%
 Asian47.6%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.5%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races5.0%  Unlock3.2%
 Hispanic  Unlock5.5%18.4%
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 Marriage & Family
 San Ramon, CASt. Charles, MOUnited States
 Married Population63.9%  Unlock49.8%
     Currently Married  Unlock48.1%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock50.9%50.2%
 Never Married25.4%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed3.3%  Unlock5.6%
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 Household Size  Unlock2.212.60
 Households29,084  Unlock124,010,992
 Family Households  Unlock17,12980,755,759
     Married couple, w/children53.1%  Unlock30.5%
     Married couple, no children  Unlock52.2%42.9%
 Non Family Households6,137  Unlock43,255,233
     Single householder, w/children  Unlock12.1%15.8%
     Single householder, no children5.7%  Unlock10.8%
Reviews for San Ramon    17 Reviews

Over 13 years ago

If you like the weather hot and dry, this is the place for you! Don't come here if you like to see green hills in the summer,if you don't care for sunshine for 7-8  More

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Over 14 years ago

For what you get, "it" does not live up to the premium you have to pay to get "it".!  More

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good climate i expirenced in us is san ramon i am very happy to stay in that  More

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Reviews for St. Charles    10 Reviews

Over 7 years ago

I grew up here and I loved everything about the county. There are thousands of little trails all over the place, so when I was a child we would always go running around  More

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Over 10 years ago

It is way too hot & humid here in the summer. Winters are great, except for a lack of  More

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Good growth, decent economics, below average politics. School system above  More

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