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2025 Compare Cities People:
Round Rock, TX vs Hilton Head Island, SC

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Highlights
- Hilton Head Island is 0% more densely populated than Round Rock.
- People are 15.8% more likely to be married in Hilton Head Island.
- The Median Age is 23.5 years older in Hilton Head Island.
 Round Rock, TXHilton Head Island, SCUnited States
 Population  Unlock38,068329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.2%  Unlock49.5%
 Median Age  Unlock59.138.4
 space3
 Population - 2010100,774  Unlock309,327,143
 Population - 2000  Unlock33,862285,036,114
 Population - 199030,923  Unlock251,960,433
 Pop. 2000 to Now  Unlock17.0%15.6%
 Pop. 1990 to Now344.9%  Unlock30.8%
 space4
 Population Density  Unlock920.393.4
 Land Area36.1  Unlock3,531,905.4
 Water Area  Unlock27.8264,836.8
 space
 Est. Total Population By Age
 Round Rock, TXHilton Head Island, SCUnited States
 Age 0 to 45.9%  Unlock5.9%
 Age 5 to 9  Unlock3.1%6.1%
 Age 10 to 147.8%  Unlock6.6%
 Age 15 to 17  Unlock2.0%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock2.2%5.2%
 Age 25 to 3413.9%  Unlock13.8%
 Age 35 to 44  Unlock7.9%12.9%
 Age 45 to 5414.2%  Unlock12.6%
 Age 55 to 59  Unlock8.4%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock21.3%9.6%
 Age 75 to 841.9%  Unlock4.5%
 Age 85 and over  Unlock4.8%1.9%
 space1
 Race
 Round Rock, TXHilton Head Island, SCUnited States
 White50.5%  Unlock59.4%
 Black  Unlock5.7%12.2%
 Asian6.9%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock1.1%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock14.1%18.4%
 space2
 Marriage & Family
 Round Rock, TXHilton Head Island, SCUnited States
 Married Population52.7%  Unlock49.8%
     Currently Married  Unlock59.6%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock39.0%50.2%
 Never Married31.8%  Unlock33.8%
 Divorced  Unlock9.3%10.8%
 Widowed4.0%  Unlock5.6%
 space5
 Household Size  Unlock2.222.60
 Households43,705  Unlock124,010,992
 Family Households  Unlock11,06080,755,759
     Married couple, w/children42.0%  Unlock30.5%
     Married couple, no children  Unlock74.2%42.9%
 Non Family Households12,976  Unlock43,255,233
     Single householder, w/children  Unlock7.4%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

   |    Reply
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 Hilton Head Island    21 Reviews
Mike · Normandy, TN
Ruined
Over 5 years ago

Unfortunately Beaufort county is full of transplanted northerners who do nothing but whine and cry about everything. They leave the north to come to the south and then  More

   |    Reply
Laurie · Hilton Head Island, SC
Hilton Head Island is the Best Kept Secret in the
Over 9 years ago

We got a second home on Hilton Head Island 10 years ago to get away from the Canadian winter weather. It took about 3 days to realize this is where we want to be  More

   |    Reply
richard · Jasper, GA
Viciously Intolerant Right Wingers
Over 12 years ago

I have watched HHI change remarkably in the 40 years I have lived there. Development really started in 1979 and the early residents were explorers and drop outs who  More

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Learn More About Round Rock, Texas
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Learn More About Hilton Head Island, South Carolina
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