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2025 Compare Cities People:
Ontario, CA vs Compton, CA

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Highlights
- Compton is 0% more densely populated than Ontario.
- People are 11.5% less likely to be married in Compton.
- The Median Age is 0.5 years older in Compton.
 Ontario, CACompton, CAUnited States
 Population  Unlock96,083329,725,481
 Female Population50.5%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock33.138.4
 space3
 Population - 2010164,380  Unlock309,327,143
 Population - 2000  Unlock93,493285,036,114
 Population - 1990133,179  Unlock251,960,433
 Pop. 2000 to Now  Unlock0.5%15.6%
 Pop. 1990 to Now37.7%  Unlock30.8%
 space4
 Population Density  Unlock9,581.593.4
 Land Area50.0  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Ontario, CACompton, CAUnited States
 Age 0 to 46.8%  Unlock5.9%
 Age 5 to 9  Unlock7.6%6.1%
 Age 10 to 147.3%  Unlock6.6%
 Age 15 to 17  Unlock4.6%3.9%
 Age 18 to 204.2%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3417.7%  Unlock13.8%
 Age 35 to 44  Unlock13.9%12.9%
 Age 45 to 5411.8%  Unlock12.6%
 Age 55 to 59  Unlock6.2%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock5.5%9.6%
 Age 75 to 842.6%  Unlock4.5%
 Age 85 and over  Unlock1.2%1.9%
 space1
 Race
 Ontario, CACompton, CAUnited States
 White14.7%  Unlock59.4%
 Black  Unlock26.7%12.2%
 Asian6.8%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.3%  Unlock0.2%
 Other  Unlock1.0%0.4%
 Two or More Races2.6%  Unlock3.2%
 Hispanic  Unlock69.3%18.4%
 space2
 Marriage & Family
 Ontario, CACompton, CAUnited States
 Married Population47.0%  Unlock49.8%
     Currently Married  Unlock38.7%48.0%
 Married but Separated2.8%  Unlock1.8%
 Single Population  Unlock58.4%50.2%
 Never Married41.1%  Unlock33.8%
 Divorced  Unlock7.0%10.8%
 Widowed3.7%  Unlock5.6%
 space5
 Household Size  Unlock3.832.60
 Households51,068  Unlock124,010,992
 Family Households  Unlock20,08480,755,759
     Married couple, w/children33.8%  Unlock30.5%
     Married couple, no children  Unlock22.0%42.9%
 Non Family Households11,037  Unlock43,255,233
     Single householder, w/children  Unlock24.8%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 Compton    6 Reviews
Donald · Sequim, WA
Compton Is A Hidden Treasure
Over 6 years ago

I visit Compton each Summer. This is one of the most welcoming and spectacular cities to work. live and raise a family in. The educational system is superior to most,  More

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kathy · Long Beach, CA
compton
Over 10 years ago

looking for a good neighborhood to live in  More

   |    Reply
Ruthi · Long Beach, CA
Are you kidding! Beautiful Suburb!
Over 18 years ago

What was the last writer thinking! Must have been locked up too long, or hasn't been around much. Probably lived in Compton or LA County his whole life. Compton is  More

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