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2025 Compare Cities People:
Marion, IL vs Ontario, OR

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Highlights
- Ontario is 0% more densely populated than Marion.
- People are 2.6% less likely to be married in Ontario.
- The Median Age is 6.1 years younger in Ontario.
 Marion, ILOntario, ORUnited States
 Population  Unlock11,465329,725,481
 Female Population50.7%  Unlock50.5%
 Male Population49.3%  Unlock49.5%
 Median Age  Unlock34.438.4
 space3
 Population - 201017,231  Unlock309,327,143
 Population - 2000  Unlock10,985285,036,114
 Population - 199014,545  Unlock251,960,433
 Pop. 2000 to Now  Unlock1.4%15.6%
 Pop. 1990 to Now19.8%  Unlock30.8%
 space4
 Population Density  Unlock2,219.893.4
 Land Area16.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Marion, ILOntario, ORUnited States
 Age 0 to 45.0%  Unlock5.9%
 Age 5 to 9  Unlock7.0%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock3.6%3.9%
 Age 18 to 202.7%  Unlock4.0%
 Age 21 to 24  Unlock4.5%5.2%
 Age 25 to 3413.9%  Unlock13.8%
 Age 35 to 44  Unlock10.1%12.9%
 Age 45 to 5410.7%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 645.0%  Unlock6.3%
 Age 65 to 74  Unlock9.1%9.6%
 Age 75 to 847.0%  Unlock4.5%
 Age 85 and over  Unlock5.1%1.9%
 space1
 Race
 Marion, ILOntario, ORUnited States
 White85.8%  Unlock59.4%
 Black  Unlock0.2%12.2%
 Asian1.7%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.7%  Unlock3.2%
 Hispanic  Unlock48.5%18.4%
 space2
 Marriage & Family
 Marion, ILOntario, ORUnited States
 Married Population42.7%  Unlock49.8%
     Currently Married  Unlock38.8%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock58.4%50.2%
 Never Married32.8%  Unlock33.8%
 Divorced  Unlock14.0%10.8%
 Widowed8.3%  Unlock5.6%
 space5
 Household Size  Unlock2.542.60
 Households7,994  Unlock124,010,992
 Family Households  Unlock2,45380,755,759
     Married couple, w/children21.7%  Unlock30.5%
     Married couple, no children  Unlock38.1%42.9%
 Non Family Households3,911  Unlock43,255,233
     Single householder, w/children  Unlock22.4%15.8%
     Single householder, no children8.8%  Unlock10.8%
Voting
Reviews for Marion    2 Reviews
Rosalyn · Ogden, UT
crime
Over 10 years ago

I moved from Marion, IL a short time ago and would like to explain what happened to me there. My house was shot by a BB gun several times and ruined some of the siding.  More

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josh · Marion, IL
marion growth ideas
Over 18 years ago

marion is a great place for young people to get going in thier lives. marion is also a great place to retire at. marion needs more young people spots and i think marion  More

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Reviews for Ontario    6 Reviews
Mark · Ontario, OR
Dirty Police Officers
Over 4 years ago

Dirty officers. You tell them where to look for drugs but because they know the family they don't bother doing anything about it. Don't trust the  More

   |    Reply
John · Ontario, OR
Meth heads and illegal immigrants
Over 7 years ago

Ontario Oregon is full of illegal immigrants who refuse to learn English and leach off the welfare system the police and ice refuse to deport these criminals Meth use  More

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string · Cascade, ID
Crime in Ontario, Or.
Over 11 years ago

In reply to "Crime in Ontario," It's too bad that when a Hispanic culture moves in to a nice little town, your crime rate goes up and property values go down. And  More

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