2025 Compare Cities People:
Fountain Valley, CA vs Rialto, CA

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Highlights
- Rialto is 0% more densely populated than Fountain Valley.
- People are 13.9% less likely to be married in Rialto.
- The Median Age is 12.9 years younger in Rialto.
 Fountain Valley, CARialto, CAUnited States
 Population  Unlock103,799329,725,481
 Female Population51.0%  Unlock50.5%
 Male Population49.0%  Unlock49.5%
 Median Age  Unlock3138.4
 space3
 Population - 201055,385  Unlock309,327,143
 Population - 2000  Unlock91,873285,036,114
 Population - 199053,691  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.3%15.6%
 Pop. 1990 to Now3.2%  Unlock30.8%
 space4
 Population Density  Unlock4,337.393.4
 Land Area9.1  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Fountain Valley, CARialto, CAUnited States
 Age 0 to 44.8%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 145.9%  Unlock6.6%
 Age 15 to 17  Unlock4.7%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock6.8%5.2%
 Age 25 to 3411.2%  Unlock13.8%
 Age 35 to 44  Unlock13.9%12.9%
 Age 45 to 5414.2%  Unlock12.6%
 Age 55 to 59  Unlock5.6%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock5.9%9.6%
 Age 75 to 846.5%  Unlock4.5%
 Age 85 and over  Unlock0.9%1.9%
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 Race
 Fountain Valley, CARialto, CAUnited States
 White39.3%  Unlock59.4%
 Black  Unlock12.6%12.2%
 Asian37.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.7%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races4.8%  Unlock3.2%
 Hispanic  Unlock74.8%18.4%
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 Marriage & Family
 Fountain Valley, CARialto, CAUnited States
 Married Population53.5%  Unlock49.8%
     Currently Married  Unlock43.4%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock53.9%50.2%
 Never Married32.5%  Unlock33.8%
 Divorced  Unlock7.6%10.8%
 Widowed5.5%  Unlock5.6%
 space5
 Household Size  Unlock3.862.60
 Households18,852  Unlock124,010,992
 Family Households  Unlock22,09980,755,759
     Married couple, w/children33.0%  Unlock30.5%
     Married couple, no children  Unlock28.4%42.9%
 Non Family Households4,970  Unlock43,255,233
     Single householder, w/children  Unlock24.7%15.8%
     Single householder, no children13.1%  Unlock10.8%
Reviews for Fountain Valley    3 Reviews

We are just average home gardeners and having lived in Fountain Valley for over 40 years, my wife and I have found the climate excellent for growing nearly ever kind of  More

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Over 18 years ago

fountain valley is nice but very expensive. Average home price will run you around $700,000.Beaches are close by. People are okay but no sense of community or sense of  More

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The weather is very moderate year-around. Warm summers, comfortable spring-time, cool  More

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Reviews for Rialto    7 Reviews

I have lived in Rialto my entire life, I am now 26, and I have seen substantial growth in the last 10 years. Mayor Deborah Robertson has done an excellent job making  More

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Rialto has come a long way lots of places to shop and eat catch a movie friendly people  More

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Over 17 years ago

I live in Rialto, about 1 hour outside of Los Angeles, and even though it is cheaper than Los Angeles, the average college graduate cannot afford to stay here. First,  More

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