2025 Compare Cities People:
Rio Vista, CA vs Hilo, HI

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Highlights
- Hilo is 0% more densely populated than Rio Vista.
- People are 16.8% less likely to be married in Hilo.
- The Median Age is 24.1 years younger in Hilo.
 Rio Vista, CAHilo, HIUnited States
 Population  Unlock46,559329,725,481
 Female Population55.6%  Unlock50.5%
 Male Population44.4%  Unlock49.5%
 Median Age  Unlock39.938.4
 space3
 Population - 20107,374  Unlock309,327,143
 Population - 2000  Unlock40,759285,036,114
 Population - 19903,316  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.3%15.6%
 Pop. 1990 to Now200.9%  Unlock30.8%
 space4
 Population Density  Unlock872.193.4
 Land Area6.6  Unlock3,531,905.4
 Water Area  Unlock4.9264,836.8
 space
 Est. Total Population By Age
 Rio Vista, CAHilo, HIUnited States
 Age 0 to 41.9%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 141.8%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 200.0%  Unlock4.0%
 Age 21 to 24  Unlock4.9%5.2%
 Age 25 to 3411.8%  Unlock13.8%
 Age 35 to 44  Unlock11.9%12.9%
 Age 45 to 547.7%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 6416.2%  Unlock6.3%
 Age 65 to 74  Unlock11.3%9.6%
 Age 75 to 8417.2%  Unlock4.5%
 Age 85 and over  Unlock3.6%1.9%
 space1
 Race
 Rio Vista, CAHilo, HIUnited States
 White64.0%  Unlock59.4%
 Black  Unlock0.7%12.2%
 Asian4.5%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.3%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races1.4%  Unlock3.2%
 Hispanic  Unlock12.8%18.4%
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 Marriage & Family
 Rio Vista, CAHilo, HIUnited States
 Married Population54.3%  Unlock49.8%
     Currently Married  Unlock43.6%48.0%
 Married but Separated2.9%  Unlock1.8%
 Single Population  Unlock54.8%50.2%
 Never Married19.0%  Unlock33.8%
 Divorced  Unlock10.1%10.8%
 Widowed9.9%  Unlock5.6%
 space5
 Household Size  Unlock2.802.60
 Households5,025  Unlock124,010,992
 Family Households  Unlock10,68180,755,759
     Married couple, w/children6.9%  Unlock30.5%
     Married couple, no children  Unlock42.6%42.9%
 Non Family Households2,147  Unlock43,255,233
     Single householder, w/children  Unlock18.7%15.8%
     Single householder, no children17.1%  Unlock10.8%
Reviews for Rio Vista    2 Reviews

Known as “the Gateway to the Delta”, Rio Vista is located in the heart of the California Delta on the Sacramento River. The views along the wide river bring to mind the  More

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There is plenty to be had in Rio Vista, particularly if you like dead animal heads on a bar wall (Fosters Big Horn) and a state of the art fish cleaning station located  More

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Reviews for Hilo    10 Reviews

If you’re looking at Hilo, then you’re likely being recruited in the medical or education fields. These are where the greatest needs of the community lie, and there are  More

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Over 4 years ago

I enjoyed living in Hawaii County for a number of years, most in Hilo. While Hilo has problems, they are few compared to mainland USA. I never experienced racism by  More

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Over 4 years ago

Too much racism from "native Hawaiians" who aren't actually natives. That keeps me from living in that paradise. I'm this is the "natives" goal.  More

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