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2025 Compare Cities People:
Ontario, CA vs Santa Rosa, CA

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Highlights
- Santa Rosa is 0% more densely populated than Ontario.
- People are 3.0% more likely to be married in Santa Rosa.
- The Median Age is 7.4 years older in Santa Rosa.
 Ontario, CASanta Rosa, CAUnited States
 Population  Unlock179,213329,725,481
 Female Population50.5%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock4038.4
 space3
 Population - 2010164,380  Unlock309,327,143
 Population - 2000  Unlock147,595285,036,114
 Population - 1990133,179  Unlock251,960,433
 Pop. 2000 to Now  Unlock18.3%15.6%
 Pop. 1990 to Now37.7%  Unlock30.8%
 space4
 Population Density  Unlock4,215.993.4
 Land Area50.0  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Ontario, CASanta Rosa, CAUnited States
 Age 0 to 46.8%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 147.3%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 204.2%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 3417.7%  Unlock13.8%
 Age 35 to 44  Unlock13.8%12.9%
 Age 45 to 5411.8%  Unlock12.6%
 Age 55 to 59  Unlock6.6%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock10.6%9.6%
 Age 75 to 842.6%  Unlock4.5%
 Age 85 and over  Unlock2.4%1.9%
 space1
 Race
 Ontario, CASanta Rosa, CAUnited States
 White14.7%  Unlock59.4%
 Black  Unlock1.9%12.2%
 Asian6.8%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.3%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races2.6%  Unlock3.2%
 Hispanic  Unlock34.0%18.4%
 space2
 Marriage & Family
 Ontario, CASanta Rosa, CAUnited States
 Married Population47.0%  Unlock49.8%
     Currently Married  Unlock46.4%48.0%
 Married but Separated2.8%  Unlock1.8%
 Single Population  Unlock51.6%50.2%
 Never Married41.1%  Unlock33.8%
 Divorced  Unlock12.3%10.8%
 Widowed3.7%  Unlock5.6%
 space5
 Household Size  Unlock2.602.60
 Households51,068  Unlock124,010,992
 Family Households  Unlock42,22080,755,759
     Married couple, w/children33.8%  Unlock30.5%
     Married couple, no children  Unlock41.8%42.9%
 Non Family Households11,037  Unlock43,255,233
     Single householder, w/children  Unlock15.4%15.8%
     Single householder, no children15.1%  Unlock10.8%
Voting
Reviews for Ontario    6 Reviews
Robert · Rancho Cucamonga, CA
Best Reformed Church available
Over 13 years ago

We've lived in this area for several years. Traveling long distances to other cities for churches. Passing a quiet, unassuming church along the way for years. Until  More

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sachamo · Pomona, CA
Home is where the heart is
Over 14 years ago

cool  More

   |    Reply
yvonne · Ontario, CA
Entertainment and shopping
Over 14 years ago

I think Ontario,ca us awesome because we have an entertainment Venue and large shopping mall to please everyone of all  More

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Reviews for Santa Rosa    43 Reviews
amy · Santa Rosa, CA
Too expensive too much crime
Over 1 years ago

I was born and raised here. Santa Rosa used to be a great city great location great weather but now it is overcrowded and crime is off the charts and housing is crazy  More

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June · Santa Rosa, CA
Really nice town with lots to do
Over 3 years ago

I've lived her over 20 years and it's a pretty nice place. The main vibe is you feel safe doing this day or night. Most of the neighborhoods are well taken care of, they  More

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Andi · Beverly Hills, CA
Avoid Santa Rosa like the plague!
Over 4 years ago

Terrible city that's hurting for money. After going on a long hiatus from enforcing traffic laws, they've recently turned their highways into an ATM machine/cash cow by  More

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Learn More About Ontario, California
Overview
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Learn More About Santa Rosa, California
Overview
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