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2025 Compare Cities People:
Decatur, GA vs Mountain Brook, AL

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Highlights
- Mountain Brook is 0% more densely populated than Decatur.
- People are 20.1% more likely to be married in Mountain Brook.
- The Median Age is 3.3 years older in Mountain Brook.
 Decatur, GAMountain Brook, ALUnited States
 Population  Unlock22,184329,725,481
 Female Population52.6%  Unlock50.5%
 Male Population47.4%  Unlock49.5%
 Median Age  Unlock41.938.4
 space3
 Population - 201019,700  Unlock309,327,143
 Population - 2000  Unlock20,604285,036,114
 Population - 199017,336  Unlock251,960,433
 Pop. 2000 to Now  Unlock-2.8%15.6%
 Pop. 1990 to Now48.0%  Unlock30.8%
 space4
 Population Density  Unlock1,729.893.4
 Land Area4.4  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Decatur, GAMountain Brook, ALUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock6.8%6.1%
 Age 10 to 1410.2%  Unlock6.6%
 Age 15 to 17  Unlock5.1%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock1.6%5.2%
 Age 25 to 347.6%  Unlock13.8%
 Age 35 to 44  Unlock10.9%12.9%
 Age 45 to 5416.0%  Unlock12.6%
 Age 55 to 59  Unlock5.0%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock12.1%9.6%
 Age 75 to 843.0%  Unlock4.5%
 Age 85 and over  Unlock3.2%1.9%
 space1
 Race
 Decatur, GAMountain Brook, ALUnited States
 White66.9%  Unlock59.4%
 Black  Unlock0.4%12.2%
 Asian3.9%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races6.5%  Unlock3.2%
 Hispanic  Unlock0.2%18.4%
 space2
 Marriage & Family
 Decatur, GAMountain Brook, ALUnited States
 Married Population58.3%  Unlock49.8%
     Currently Married  Unlock69.9%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock30.0%50.2%
 Never Married27.6%  Unlock33.8%
 Divorced  Unlock4.5%10.8%
 Widowed4.6%  Unlock5.6%
 space5
 Household Size  Unlock2.652.60
 Households8,906  Unlock124,010,992
 Family Households  Unlock6,31580,755,759
     Married couple, w/children52.8%  Unlock30.5%
     Married couple, no children  Unlock44.6%42.9%
 Non Family Households3,057  Unlock43,255,233
     Single householder, w/children  Unlock3.4%15.8%
     Single householder, no children4.2%  Unlock10.8%
Voting
Reviews for Decatur    9 Reviews
Jarvis · Decatur, GA
Nice and Quiet Area but has crime
Over 8 years ago

I have lived in this city for over a year. Even though the area I live in is quiet and the neighbors are nice, the crime that happens around my area is terrible. It  More

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Tariq · Decatur, GA
We Can Do Better
Over 14 years ago

Depending on where you live in Decatur, you will have a different view of the city. Here in Georgia, you have the peculiar situation of having both a city of Decatur and  More

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april · Memphis, TN
Relocation
Over 15 years ago

I am currently living in Memphis, Tn. I am considering moving to Georgia! How is the job market there, and which cities do you recommend to consider buying a  More

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Reviews for Mountain Brook    1 Reviews
John  · Atlanta, GA
WOW!
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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Learn More About Decatur, Georgia
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