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2026 Compare Cities People:
Spencer, IN vs Ontario, CA

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Highlights
- Ontario is 0% more densely populated than Spencer.
- People are 13.5% more likely to be married in Ontario.
- The Median Age is 13.7 years younger in Ontario.
 Spencer, INOntario, CAUnited States
 Population  Unlock175,223329,725,481
 Female Population54.1%  Unlock50.5%
 Male Population45.9%  Unlock49.5%
 Median Age  Unlock32.638.4
 space3
 Population - 20102,363  Unlock309,327,143
 Population - 2000  Unlock158,007285,036,114
 Population - 19902,609  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.1%15.6%
 Pop. 1990 to Now-13.3%  Unlock30.8%
 space4
 Population Density  Unlock3,507.193.4
 Land Area1.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Spencer, INOntario, CAUnited States
 Age 0 to 48.2%  Unlock5.9%
 Age 5 to 9  Unlock7.0%6.1%
 Age 10 to 143.2%  Unlock6.6%
 Age 15 to 17  Unlock4.4%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock6.4%5.2%
 Age 25 to 3411.7%  Unlock13.8%
 Age 35 to 44  Unlock13.6%12.9%
 Age 45 to 549.9%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 6410.7%  Unlock6.3%
 Age 65 to 74  Unlock6.4%9.6%
 Age 75 to 845.4%  Unlock4.5%
 Age 85 and over  Unlock0.9%1.9%
 space1
 Race
 Spencer, INOntario, CAUnited States
 White90.6%  Unlock59.4%
 Black  Unlock5.2%12.2%
 Asian1.3%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races2.9%  Unlock3.2%
 Hispanic  Unlock69.9%18.4%
 space2
 Marriage & Family
 Spencer, INOntario, CAUnited States
 Married Population41.4%  Unlock49.8%
     Currently Married  Unlock44.2%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock53.0%50.2%
 Never Married24.0%  Unlock33.8%
 Divorced  Unlock8.3%10.8%
 Widowed11.8%  Unlock5.6%
 space5
 Household Size  Unlock3.422.60
 Households1,049  Unlock124,010,992
 Family Households  Unlock40,03180,755,759
     Married couple, w/children27.5%  Unlock30.5%
     Married couple, no children  Unlock30.9%42.9%
 Non Family Households612  Unlock43,255,233
     Single householder, w/children  Unlock20.2%15.8%
     Single householder, no children9.8%  Unlock10.8%
Voting
Reviews for Spencer    2 Reviews
jane · Gosport, IN
schools
Over 17 years ago

All the schools within this county do the best they can with what little funding is available to them. The high school was not the best in preparing students for  More

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George · Poland, IN
Sweet Owen Valley
Over 17 years ago

Rural, appalacia-like topography, beautiful country, mostly poor but varied, nice people, good services, reasonable cost of living, typical midwest weather -  More

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Reviews for Ontario    6 Reviews
Robert · Rancho Cucamonga, CA
Best Reformed Church available
Over 14 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

   |    Reply
sachamo · Pomona, CA
Home is where the heart is
Over 15 years ago

cool  More

   |    Reply
yvonne · Ontario, CA
Entertainment and shopping
Over 15 years ago

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

   |    Reply

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Learn More About Spencer, Indiana
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Learn More About Ontario, California
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