2026 Compare Cities People:
Round Rock, TX vs Carlsbad, CA

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Highlights
- Carlsbad is 0% more densely populated than Round Rock.
- People are 9.4% more likely to be married in Carlsbad.
- The Median Age is 6.9 years older in Carlsbad.
 Round Rock, TXCarlsbad, CAUnited States
 Population  Unlock114,858329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.2%  Unlock49.5%
 Median Age  Unlock42.538.4
 space3
 Population - 2010100,774  Unlock309,327,143
 Population - 2000  Unlock78,247285,036,114
 Population - 199030,923  Unlock251,960,433
 Pop. 2000 to Now  Unlock47.7%15.6%
 Pop. 1990 to Now344.9%  Unlock30.8%
 space4
 Population Density  Unlock3,042.693.4
 Land Area36.1  Unlock3,531,905.4
 Water Area  Unlock1.3264,836.8
 space
 Est. Total Population By Age
 Round Rock, TXCarlsbad, CAUnited States
 Age 0 to 45.9%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 147.8%  Unlock6.6%
 Age 15 to 17  Unlock4.7%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock3.7%5.2%
 Age 25 to 3413.9%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5414.2%  Unlock12.6%
 Age 55 to 59  Unlock8.0%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock9.3%9.6%
 Age 75 to 841.9%  Unlock4.5%
 Age 85 and over  Unlock2.4%1.9%
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 Race
 Round Rock, TXCarlsbad, CAUnited States
 White50.5%  Unlock59.4%
 Black  Unlock1.2%12.2%
 Asian6.9%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock15.9%18.4%
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 Marriage & Family
 Round Rock, TXCarlsbad, CAUnited States
 Married Population52.7%  Unlock49.8%
     Currently Married  Unlock56.6%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock42.4%50.2%
 Never Married31.8%  Unlock33.8%
 Divorced  Unlock11.2%10.8%
 Widowed4.0%  Unlock5.6%
 space5
 Household Size  Unlock2.582.60
 Households43,705  Unlock124,010,992
 Family Households  Unlock31,14480,755,759
     Married couple, w/children42.0%  Unlock30.5%
     Married couple, no children  Unlock45.8%42.9%
 Non Family Households12,976  Unlock43,255,233
     Single householder, w/children  Unlock10.5%15.8%
     Single householder, no children10.3%  Unlock10.8%
Reviews for Round Rock    28 Reviews

I plan on relocating from Amarillo to Round Rock or one of the suburbs north of Austin with my wife and kids. I would like to know what people can tell me about the job  More

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Round Rock has a booming real estate market. It is one of the fastest growing communities in America. If you need more info about home buying in Round Rock, or anywhere  More

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We moved from Southern CA, we first lived at beach for many years in SD, then high desert (Hesperia). BEST MOVE I'VE EVER MADE IN MY LIFE!! The weather is great, the  More

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Reviews for Carlsbad    38 Reviews

I've lived in Carlsbad (92008) for 8 years now and really appreciate all that it has to offer. Yes, ALL of San Diego County is expensive, but Carlsbad has [possibly]  More

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Over 5 years ago

Carlson has the worst winters. It averages about 10 meters of snow per week. Every shop is  More

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Ok, I get it, the climate is mild and tolerable but even that is over-rated when you consider how many cloudy days there are in this town. The sun coming out at 3 and  More

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