2025 Compare Cities People:
Columbia, MO vs Rocklin, CA

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Highlights
- Rocklin is 0% more densely populated than Columbia.
- People are 42.7% more likely to be married in Rocklin.
- The Median Age is 7.9 years older in Rocklin.
 Columbia, MORocklin, CAUnited States
 Population  Unlock70,317329,725,481
 Female Population51.2%  Unlock50.5%
 Male Population48.8%  Unlock49.5%
 Median Age  Unlock37.138.4
 space3
 Population - 2010109,430  Unlock309,327,143
 Population - 2000  Unlock36,330285,036,114
 Population - 199069,101  Unlock251,960,433
 Pop. 2000 to Now  Unlock93.1%15.6%
 Pop. 1990 to Now80.6%  Unlock30.8%
 space4
 Population Density  Unlock3,549.693.4
 Land Area65.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Columbia, MORocklin, CAUnited States
 Age 0 to 45.7%  Unlock5.9%
 Age 5 to 9  Unlock7.2%6.1%
 Age 10 to 144.6%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 2011.4%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3415.5%  Unlock13.8%
 Age 35 to 44  Unlock15.2%12.9%
 Age 45 to 549.3%  Unlock12.6%
 Age 55 to 59  Unlock6.0%6.7%
 Age 60 to 644.5%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
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 Race
 Columbia, MORocklin, CAUnited States
 White73.3%  Unlock59.4%
 Black  Unlock1.7%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.7%0.4%
 Two or More Races5.0%  Unlock3.2%
 Hispanic  Unlock13.9%18.4%
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 Marriage & Family
 Columbia, MORocklin, CAUnited States
 Married Population40.4%  Unlock49.8%
     Currently Married  Unlock56.6%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock42.3%50.2%
 Never Married47.8%  Unlock33.8%
 Divorced  Unlock9.1%10.8%
 Widowed3.1%  Unlock5.6%
 space5
 Household Size  Unlock2.862.60
 Households49,666  Unlock124,010,992
 Family Households  Unlock17,66080,755,759
     Married couple, w/children34.2%  Unlock30.5%
     Married couple, no children  Unlock39.2%42.9%
 Non Family Households24,540  Unlock43,255,233
     Single householder, w/children  Unlock8.5%15.8%
     Single householder, no children7.8%  Unlock10.8%
Reviews for Columbia    41 Reviews

If you are an active person and love to be outdoors and go to college sporting events, Columbia is a great place to live! I run and bike and go to Mizzou events a lot. I  More

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Over 4 years ago

I've live in CoMo for 20 yrs. NOT sure about this state of the art water park??!! There are great parks but nothing else for families. NO zoo, museum, and definitely no  More

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I lived there for a year and hated every minute. Columbia reminded me of the San Francisco of the Midwest. It is overrun with homeless people. Law enforcement is  More

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Reviews for Rocklin    11 Reviews

I have had the blessed opportunity to be born and raised in Rocklin, CA. Rocklin is truly one of the best towns to live in, in the sacramento area. It's a clean, smaller  More

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Over 6 years ago

I've lived in the Sacramento vicinity for 12 years, and in Northern California my entire life (I grew up in the San Jose area). The area of Rocklin I am living in is the  More

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Over 14 years ago

seriously? Let me tell you what I have observed since moving here from Gilbert, AZ 3 months ago.I know I am going to take grief for this so go ahead and let it fly,  More

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