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2025 Compare Cities People:
Del Mar, CA vs Gaithersburg, MD

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Highlights
- Gaithersburg is 0% more densely populated than Del Mar.
- People are 19.0% less likely to be married in Gaithersburg.
- The Median Age is 12.9 years younger in Gaithersburg.
 Del Mar, CAGaithersburg, MDUnited States
 Population  Unlock68,827329,725,481
 Female Population52.4%  Unlock50.5%
 Male Population47.6%  Unlock49.5%
 Median Age  Unlock37.638.4
 space3
 Population - 20104,172  Unlock309,327,143
 Population - 2000  Unlock52,613285,036,114
 Population - 19904,860  Unlock251,960,433
 Pop. 2000 to Now  Unlock28.8%15.6%
 Pop. 1990 to Now-11.4%  Unlock30.8%
 space4
 Population Density  Unlock6,670.693.4
 Land Area1.7  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Del Mar, CAGaithersburg, MDUnited States
 Age 0 to 42.6%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 146.0%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 200.5%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 3410.9%  Unlock13.8%
 Age 35 to 44  Unlock16.9%12.9%
 Age 45 to 5419.5%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 643.5%  Unlock6.3%
 Age 65 to 74  Unlock7.3%9.6%
 Age 75 to 848.9%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
 space1
 Race
 Del Mar, CAGaithersburg, MDUnited States
 White83.2%  Unlock59.4%
 Black  Unlock16.4%12.2%
 Asian0.3%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock24.5%18.4%
 space2
 Marriage & Family
 Del Mar, CAGaithersburg, MDUnited States
 Married Population65.9%  Unlock49.8%
     Currently Married  Unlock51.9%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married21.2%  Unlock33.8%
 Divorced  Unlock9.8%10.8%
 Widowed1.7%  Unlock5.6%
 space5
 Household Size  Unlock2.642.60
 Households1,818  Unlock124,010,992
 Family Households  Unlock17,21780,755,759
     Married couple, w/children20.3%  Unlock30.5%
     Married couple, no children  Unlock36.9%42.9%
 Non Family Households604  Unlock43,255,233
     Single householder, w/children  Unlock12.7%15.8%
     Single householder, no children1.8%  Unlock10.8%
Voting
Reviews for Del Mar    2 Reviews
Mark · Del Mar, CA
San Diego is expensive, but it doesn't have to be.
Over 10 years ago

I'm born, and raised in the Chicago area, and had most of my career while living in the Washington, DC area. San Diego does take some getting used to. Where you live  More

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Rick · Del Mar, CA
Perfect Weather
Over 15 years ago

Greatest weather in the  More

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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

   |    Reply
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

   |    Reply
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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Learn More About Del Mar, California
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Learn More About Gaithersburg, Maryland
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