2025 Compare Cities People:
Mountain Brook, AL vs Northbrook, IL

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Highlights
- Northbrook is 0% more densely populated than Mountain Brook.
- People are 9.7% less likely to be married in Northbrook.
- The Median Age is 7.1 years older in Northbrook.
 Mountain Brook, ALNorthbrook, ILUnited States
 Population  Unlock35,108329,725,481
 Female Population51.6%  Unlock50.5%
 Male Population48.4%  Unlock49.5%
 Median Age  Unlock4938.4
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 Population - 201020,316  Unlock309,327,143
 Population - 2000  Unlock33,435285,036,114
 Population - 199019,810  Unlock251,960,433
 Pop. 2000 to Now  Unlock-2.3%15.6%
 Pop. 1990 to Now1.1%  Unlock30.8%
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 Population Density  Unlock2,651.793.4
 Land Area12.8  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Mountain Brook, ALNorthbrook, ILUnited States
 Age 0 to 48.3%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 147.5%  Unlock6.6%
 Age 15 to 17  Unlock4.5%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock2.7%5.2%
 Age 25 to 3410.3%  Unlock13.8%
 Age 35 to 44  Unlock10.7%12.9%
 Age 45 to 5416.0%  Unlock12.6%
 Age 55 to 59  Unlock8.9%6.7%
 Age 60 to 647.0%  Unlock6.3%
 Age 65 to 74  Unlock11.3%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock4.3%1.9%
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 Race
 Mountain Brook, ALNorthbrook, ILUnited States
 White97.7%  Unlock59.4%
 Black  Unlock1.0%12.2%
 Asian1.0%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races0.5%  Unlock3.2%
 Hispanic  Unlock3.4%18.4%
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 Marriage & Family
 Mountain Brook, ALNorthbrook, ILUnited States
 Married Population70.0%  Unlock49.8%
     Currently Married  Unlock62.6%48.0%
 Married but Separated0.1%  Unlock1.8%
 Single Population  Unlock36.8%50.2%
 Never Married21.5%  Unlock33.8%
 Divorced  Unlock7.6%10.8%
 Widowed4.0%  Unlock5.6%
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 Household Size  Unlock2.572.60
 Households8,365  Unlock124,010,992
 Family Households  Unlock9,94780,755,759
     Married couple, w/children48.8%  Unlock30.5%
     Married couple, no children  Unlock55.6%42.9%
 Non Family Households2,050  Unlock43,255,233
     Single householder, w/children  Unlock5.5%15.8%
     Single householder, no children3.2%  Unlock10.8%
Reviews for Mountain Brook    1 Reviews

Over 18 years ago

Life's good in Mountain Brook! My father was in a hospital for surgery in Birmingham. I got lost and found myself wandering through gorgeous, wooded Montain Brook. Very  More

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Reviews for Northbrook    5 Reviews

Northbrook is a great place if: 1.) You're Jewish 2.) You're Russian 3.) You're raising a family Other than that, it's a stuck-up, sleepy, basic midwest suburb.   More

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Over 15 years ago

I grew up in Northbrook and while it's a beautiful community with a nice downtown, parks, train, great quality schools, to say that it's down to earth is a bit of a  More

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Over 15 years ago

I grew up in Northbrook and while it's a beautiful community with a nice downtown, parks, train, great quality schools, to say that it's down to earth is a bit of a  More

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