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2025 Compare Cities People:
Ajo, AZ vs St. Charles, IL

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Highlights
- St. Charles is 0% more densely populated than Ajo.
- People are 27.4% more likely to be married in St. Charles.
- The Median Age is 16.4 years younger in St. Charles.
 Ajo, AZSt. Charles, ILUnited States
 Population  Unlock32,908329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock42.238.4
 space3
 Population - 20103,206  Unlock309,327,143
 Population - 2000  Unlock27,896285,036,114
 Population - 19902,919  Unlock251,960,433
 Pop. 2000 to Now  Unlock17.3%15.6%
 Pop. 1990 to Now26.9%  Unlock30.8%
 space4
 Population Density  Unlock2,285.193.4
 Land Area33.3  Unlock3,531,905.4
 Water Area  Unlock0.6264,836.8
 space
 Est. Total Population By Age
 Ajo, AZSt. Charles, ILUnited States
 Age 0 to 42.2%  Unlock5.9%
 Age 5 to 9  Unlock4.7%6.1%
 Age 10 to 143.1%  Unlock6.6%
 Age 15 to 17  Unlock5.2%3.9%
 Age 18 to 206.7%  Unlock4.0%
 Age 21 to 24  Unlock7.2%5.2%
 Age 25 to 348.3%  Unlock13.8%
 Age 35 to 44  Unlock11.9%12.9%
 Age 45 to 542.4%  Unlock12.6%
 Age 55 to 59  Unlock7.9%6.7%
 Age 60 to 6411.0%  Unlock6.3%
 Age 65 to 74  Unlock9.8%9.6%
 Age 75 to 8411.0%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Ajo, AZSt. Charles, ILUnited States
 White48.1%  Unlock59.4%
 Black  Unlock3.5%12.2%
 Asian0.6%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.3%  Unlock3.2%
 Hispanic  Unlock9.1%18.4%
 space2
 Marriage & Family
 Ajo, AZSt. Charles, ILUnited States
 Married Population44.7%  Unlock49.8%
     Currently Married  Unlock56.4%48.0%
 Married but Separated1.7%  Unlock1.8%
 Single Population  Unlock43.0%50.2%
 Never Married30.4%  Unlock33.8%
 Divorced  Unlock8.3%10.8%
 Widowed8.8%  Unlock5.6%
 space5
 Household Size  Unlock2.492.60
 Households1,397  Unlock124,010,992
 Family Households  Unlock9,10080,755,759
     Married couple, w/children19.8%  Unlock30.5%
     Married couple, no children  Unlock49.1%42.9%
 Non Family Households644  Unlock43,255,233
     Single householder, w/children  Unlock9.8%15.8%
     Single householder, no children24.6%  Unlock10.8%
Voting
Reviews for Ajo    10 Reviews
Mojave · Butte-Silver Bow, MT
Unique, Scenic & Connected
Over 7 years ago

Ajo is a great little place that affords residents access to unsurpassed, pristine desert as the gateway community to Organ Pipe Cactus National Monument and nearby  More

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John · Denver, CO
A great town for snowbirds!
Over 11 years ago

If you enjoy small town life, Ajo is a great place to be a snow bird. I have spent many winters here and the enthusiasm of other snow birds, combined with all the  More

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John · Denver, CO
Paradise for small town living.
Over 11 years ago

If you enjoy small town life, Ajo is a great place to be a snow bird. I have spent many winters here and the enthusiasm of other snow birds, combined with all the  More

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Reviews for St. Charles    6 Reviews
Barbara · St. Charles, IL
good
Over 13 years ago

good  More

   |    Reply
Chris · St. Charles, IL
Cost of Living in Saint Charles
Over 15 years ago

Moving to Saint Charles from Kansas City was quite to sticker shock from a cost of living standpoint. I did do my homework and knew this would be the case, but it  More

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Kay · St. Charles, IL
Living in St. Charles
Over 16 years ago

St. Charles, Illinois is a small, trendy river town. It hosts amenities that appeal to everyone. Biking, running, walking, hiking, camping, horseback riding, kayaking,  More

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Learn More About Ajo, Arizona
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