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2025 Compare Cities People:
Gaithersburg, MD vs Arlington, VA

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Highlights
- Arlington is 0% more densely populated than Gaithersburg.
- People are 15.3% less likely to be married in Arlington.
- The Median Age is 2.5 years younger in Arlington.
 Gaithersburg, MDArlington, VAUnited States
 Population  Unlock235,764329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock35.138.4
 space3
 Population - 201060,178  Unlock309,327,143
 Population - 2000  Unlock189,453285,036,114
 Population - 199039,542  Unlock251,960,433
 Pop. 2000 to Now  Unlock27.1%15.6%
 Pop. 1990 to Now71.3%  Unlock30.8%
 space4
 Population Density  Unlock9,068.993.4
 Land Area10.3  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Gaithersburg, MDArlington, VAUnited States
 Age 0 to 47.0%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 146.2%  Unlock6.6%
 Age 15 to 17  Unlock2.6%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock6.2%5.2%
 Age 25 to 3413.9%  Unlock13.8%
 Age 35 to 44  Unlock16.6%12.9%
 Age 45 to 5413.7%  Unlock12.6%
 Age 55 to 59  Unlock5.4%6.7%
 Age 60 to 645.7%  Unlock6.3%
 Age 65 to 74  Unlock6.7%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock1.3%1.9%
 space1
 Race
 Gaithersburg, MDArlington, VAUnited States
 White33.7%  Unlock59.4%
 Black  Unlock9.1%12.2%
 Asian20.4%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races4.2%  Unlock3.2%
 Hispanic  Unlock15.5%18.4%
 space2
 Marriage & Family
 Gaithersburg, MDArlington, VAUnited States
 Married Population53.4%  Unlock49.8%
     Currently Married  Unlock44.1%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock54.8%50.2%
 Never Married32.6%  Unlock33.8%
 Divorced  Unlock7.8%10.8%
 Widowed4.2%  Unlock5.6%
 space5
 Household Size  Unlock2.122.60
 Households25,945  Unlock124,010,992
 Family Households  Unlock49,96980,755,759
     Married couple, w/children38.0%  Unlock30.5%
     Married couple, no children  Unlock45.0%42.9%
 Non Family Households8,728  Unlock43,255,233
     Single householder, w/children  Unlock8.9%15.8%
     Single householder, no children12.4%  Unlock10.8%
Voting
Reviews for Gaithersburg    10 Reviews
CJ · Bethesda, MD
Friendly, safe, convenient but...
Over 7 years ago

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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Tracy · Gaithersburg, MD
Close to DC
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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gio56777 · Germantown, MD
Planning "Goodbye" to Maryland -- all of it!
Over 12 years ago

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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Reviews for Arlington    36 Reviews
Alexa · Arlington, VA
Great place, lots of outdoor activities and cultur
Over 2 years ago

Lived here 17 years, amazing  More

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jefe · Arlington, VA
If you an afford it, life is pretty good here
Over 3 years ago

Resident for 20 years. There is nothing hidden about Arlington. It is an affluent inner suburb of DC with a highly educated, mostly professional, population. The  More

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Tim · Arlington, VA
Convenient, Lovey, Expensive Washington Neighbor
Over 4 years ago

We've lived in Arlington for the past 7 years, and have enjoyed it but would prefer a less expensive, more open area. We live in a townhouse in Rosslyn, close to the  More

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Learn More About Gaithersburg, Maryland
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