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

Change Cities
Highlights
- Rocklin is 0% more densely populated than Columbia.
- People are 80.7% more likely to be married in Rocklin.
- The Median Age is 8.9 years older in Rocklin.
 Columbia, SCRocklin, CAUnited States
 Population  Unlock70,317329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock37.138.4
 space3
 Population - 2010130,909  Unlock309,327,143
 Population - 2000  Unlock36,330285,036,114
 Population - 199098,052  Unlock251,960,433
 Pop. 2000 to Now  Unlock93.1%15.6%
 Pop. 1990 to Now34.8%  Unlock30.8%
 space4
 Population Density  Unlock3,549.693.4
 Land Area136.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Columbia, SCRocklin, CAUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock7.2%6.1%
 Age 10 to 144.8%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 2014.6%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3417.0%  Unlock13.8%
 Age 35 to 44  Unlock15.2%12.9%
 Age 45 to 5410.0%  Unlock12.6%
 Age 55 to 59  Unlock6.0%6.7%
 Age 60 to 644.1%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 842.9%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
 space1
 Race
 Columbia, SCRocklin, CAUnited States
 White48.0%  Unlock59.4%
 Black  Unlock1.7%12.2%
 Asian2.6%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.7%0.4%
 Two or More Races2.8%  Unlock3.2%
 Hispanic  Unlock13.9%18.4%
 space2
 Marriage & Family
 Columbia, SCRocklin, CAUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock56.6%48.0%
 Married but Separated2.3%  Unlock1.8%
 Single Population  Unlock42.3%50.2%
 Never Married55.7%  Unlock33.8%
 Divorced  Unlock9.1%10.8%
 Widowed4.0%  Unlock5.6%
 space5
 Household Size  Unlock2.862.60
 Households50,372  Unlock124,010,992
 Family Households  Unlock17,66080,755,759
     Married couple, w/children25.6%  Unlock30.5%
     Married couple, no children  Unlock39.2%42.9%
 Non Family Households26,096  Unlock43,255,233
     Single householder, w/children  Unlock8.5%15.8%
     Single householder, no children11.8%  Unlock10.8%
Reviews for Columbia    50 Reviews

Over 2 years ago

I love living in Columbia! I recently graduated from USC and plan to stay. I read the reviews posted here and it shows that like many cities, your experience will depend  More

   |    Reply

Loved living in Columbia, SC prior to my job transfer. It's the perfect size - plenty to do, but still a laid back place. People are extremely friendly, there are  More

   |    Reply

Columbia is such a unique and underrated place. It has a lot of character and history, and good nature trails. Everything feels accessible (by car) and you can get from  More

   |    Reply

Start Your Review of Columbia

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

   |    Reply

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

   |    Reply

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

   |    Reply

Start Your Review of Rocklin


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.