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2025 Compare Cities People:
Round Rock, TX vs San Tan Valley, AZ

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Highlights
- San Tan Valley is 0% more densely populated than Round Rock.
- People are 12.5% more likely to be married in San Tan Valley.
- The Median Age is 0.8 years younger in San Tan Valley.
 Round Rock, TXSan Tan Valley, AZUnited States
 Population  Unlock96,127329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.2%  Unlock49.5%
 Median Age  Unlock34.838.4
 space3
 Population - 2010100,774  Unlock309,327,143
 Population - 2000  Unlock2,676285,036,114
 Population - 199030,923  Unlock251,960,433
 Pop. 2000 to Now  Unlock3,913.3%15.6%
 Pop. 1990 to Now344.9%  Unlock30.8%
 space4
 Population Density  Unlock2,621.393.4
 Land Area36.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Round Rock, TXSan Tan Valley, AZUnited States
 Age 0 to 45.9%  Unlock5.9%
 Age 5 to 9  Unlock8.7%6.1%
 Age 10 to 147.8%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 3413.9%  Unlock13.8%
 Age 35 to 44  Unlock15.8%12.9%
 Age 45 to 5414.2%  Unlock12.6%
 Age 55 to 59  Unlock5.1%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock8.7%9.6%
 Age 75 to 841.9%  Unlock4.5%
 Age 85 and over  Unlock0.6%1.9%
 space1
 Race
 Round Rock, TXSan Tan Valley, AZUnited States
 White50.5%  Unlock59.4%
 Black  Unlock2.5%12.2%
 Asian6.9%  Unlock5.6%
 Native American  Unlock1.9%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock25.8%18.4%
 space2
 Marriage & Family
 Round Rock, TXSan Tan Valley, AZUnited States
 Married Population52.7%  Unlock49.8%
     Currently Married  Unlock58.0%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock40.8%50.2%
 Never Married31.8%  Unlock33.8%
 Divorced  Unlock9.2%10.8%
 Widowed4.0%  Unlock5.6%
 space5
 Household Size  Unlock3.092.60
 Households43,705  Unlock124,010,992
 Family Households  Unlock24,93480,755,759
     Married couple, w/children42.0%  Unlock30.5%
     Married couple, no children  Unlock38.4%42.9%
 Non Family Households12,976  Unlock43,255,233
     Single householder, w/children  Unlock13.2%15.8%
     Single householder, no children10.3%  Unlock10.8%
Voting
Reviews for Round Rock    28 Reviews
Josh · Amarillo, TX
Relocation to Round Rock Area
Over 9 years ago

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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Brittany · Austin, TX
Market data for Round Rock
Over 9 years ago

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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M. · Ogden, UT
moved from Southern California to Round Rock TX
Over 11 years ago

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 San Tan Valley    2 Reviews
Jonathan · San Tan Valley, AZ
I really enjoy it here!
Over 6 years ago

I’ve lived here for nearly two years now. I find it to be a great place to live with a few drawbacks. 1.) There is no highway access and results in messy traffic  More

   |    Reply
gern · San Tan Valley, AZ
Prison would be nicer
Over 8 years ago

This place is AWFUL what a mistake we made! Schools are crap & constantly begging for supplies, traffic gets worse by the day as they continue to throw up subdivisions,  More

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Learn More About Round Rock, Texas
Overview
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Learn More About San Tan Valley, Arizona
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