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2025 Compare Cities People:
Oswego, IL vs Buffalo Grove, IL

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Highlights
- Buffalo Grove is 0% more densely populated than Oswego.
- People are 2.2% more likely to be married in Buffalo Grove.
- The Median Age is 1.9 years older in Buffalo Grove.
 Oswego, ILBuffalo Grove, ILUnited States
 Population  Unlock43,062329,725,481
 Female Population51.7%  Unlock50.5%
 Male Population48.3%  Unlock49.5%
 Median Age  Unlock41.238.4
 space3
 Population - 201030,659  Unlock309,327,143
 Population - 2000  Unlock42,909285,036,114
 Population - 19903,876  Unlock251,960,433
 Pop. 2000 to Now  Unlock-6.4%15.6%
 Pop. 1990 to Now846.8%  Unlock30.8%
 space4
 Population Density  Unlock4,540.093.4
 Land Area14.9  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Oswego, ILBuffalo Grove, ILUnited States
 Age 0 to 46.8%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 148.5%  Unlock6.6%
 Age 15 to 17  Unlock5.4%3.9%
 Age 18 to 203.2%  Unlock4.0%
 Age 21 to 24  Unlock4.0%5.2%
 Age 25 to 348.9%  Unlock13.8%
 Age 35 to 44  Unlock14.9%12.9%
 Age 45 to 5415.0%  Unlock12.6%
 Age 55 to 59  Unlock7.3%6.7%
 Age 60 to 644.6%  Unlock6.3%
 Age 65 to 74  Unlock9.3%9.6%
 Age 75 to 842.9%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Oswego, ILBuffalo Grove, ILUnited States
 White66.7%  Unlock59.4%
 Black  Unlock3.2%12.2%
 Asian3.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races4.3%  Unlock3.2%
 Hispanic  Unlock6.5%18.4%
 space2
 Marriage & Family
 Oswego, ILBuffalo Grove, ILUnited States
 Married Population61.7%  Unlock49.8%
     Currently Married  Unlock62.3%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock36.9%50.2%
 Never Married26.8%  Unlock33.8%
 Divorced  Unlock7.9%10.8%
 Widowed3.1%  Unlock5.6%
 space5
 Household Size  Unlock2.692.60
 Households11,738  Unlock124,010,992
 Family Households  Unlock11,90680,755,759
     Married couple, w/children42.9%  Unlock30.5%
     Married couple, no children  Unlock44.1%42.9%
 Non Family Households2,128  Unlock43,255,233
     Single householder, w/children  Unlock8.1%15.8%
     Single householder, no children6.6%  Unlock10.8%
Voting
Reviews for Oswego    4 Reviews
Kim · Montgomery, IL
Love Living Here
Over 17 years ago

I absolutely love living in Oswego. There's always something to do and it still feels like a small hometown. I've lived in this town my whole life and I wouldn't want  More

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Laura · Riverside, IL
Chicago and the burbs
Over 18 years ago

Chicago has something for everyone. Musuems, zoos, theater, beaches, shopping, and plenty of parks and forest preserves to keep natives and visitors busy and happy.  More

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james · Oswego, IL
Oswego on the move
Over 19 years ago

Relocated 2 years ago and looked at Naperville for the schools. Learned Oswego had a master plan. It is rolling out now and is well received. Housing is reasonable  More

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Reviews for Buffalo Grove    7 Reviews
Linda · Buffalo Grove, IL
Outdoor recreation
Over 11 years ago

Numerous forest preserve areas with walking paths and places to play sports (baseball, soccer, football). Close driving distance to Lake Michigan and several  More

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jun · Buffalo Grove, IL
nice town to raise a family
Over 12 years ago

nice town to raise a  More

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Bp · Buffalo Grove, IL
Bison country
Over 17 years ago

No place is perfect however BG is at or near the top especially in schooling and crime prevention. Numerous parks and biking paths. A great place to raise a family safe  More

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Learn More About Oswego, Illinois
Overview
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Learn More About Buffalo Grove, Illinois
Overview
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