2025 Compare Cities People:
Decatur, GA vs Gaithersburg, MD

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Highlights
- Gaithersburg is 0% more densely populated than Decatur.
- People are 8.4% less likely to be married in Gaithersburg.
- The Median Age is 1.0 years younger in Gaithersburg.
 Decatur, GAGaithersburg, MDUnited States
 Population  Unlock68,827329,725,481
 Female Population52.6%  Unlock50.5%
 Male Population47.4%  Unlock49.5%
 Median Age  Unlock37.638.4
 space3
 Population - 201019,700  Unlock309,327,143
 Population - 2000  Unlock52,613285,036,114
 Population - 199017,336  Unlock251,960,433
 Pop. 2000 to Now  Unlock28.8%15.6%
 Pop. 1990 to Now48.0%  Unlock30.8%
 space4
 Population Density  Unlock6,670.693.4
 Land Area4.4  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Decatur, GAGaithersburg, MDUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 1410.2%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 347.6%  Unlock13.8%
 Age 35 to 44  Unlock16.9%12.9%
 Age 45 to 5416.0%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock7.3%9.6%
 Age 75 to 843.0%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
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 Race
 Decatur, GAGaithersburg, MDUnited States
 White66.9%  Unlock59.4%
 Black  Unlock16.4%12.2%
 Asian3.9%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races6.5%  Unlock3.2%
 Hispanic  Unlock24.5%18.4%
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 Marriage & Family
 Decatur, GAGaithersburg, MDUnited States
 Married Population58.3%  Unlock49.8%
     Currently Married  Unlock51.9%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married27.6%  Unlock33.8%
 Divorced  Unlock9.8%10.8%
 Widowed4.6%  Unlock5.6%
 space5
 Household Size  Unlock2.642.60
 Households8,906  Unlock124,010,992
 Family Households  Unlock17,21780,755,759
     Married couple, w/children52.8%  Unlock30.5%
     Married couple, no children  Unlock36.9%42.9%
 Non Family Households3,057  Unlock43,255,233
     Single householder, w/children  Unlock12.7%15.8%
     Single householder, no children4.2%  Unlock10.8%
Reviews for Decatur    9 Reviews

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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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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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 Gaithersburg    10 Reviews

We recently sold our family home of 20+ years in Potomac, MD and moved just down the road to Gaithersburg. We have nothing but good things to say about the people  More

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Over 10 years ago

The city of Gaithersburg offers all of the employment opportunities of being within commuting range of D.C. without the congestion. Homes are more affordable and you  More

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The state has the potential to be a great place to live ... but that 'Reality’ is just slipping away. The current leadership has done a really bang-up job creating so  More

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