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2025 Compare Cities People:
Portsmouth, NH vs Washington, DC

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Highlights
- Washington is 0% more densely populated than Portsmouth.
- People are 33.0% less likely to be married in Washington.
- The Median Age is 7.9 years younger in Washington.
 Portsmouth, NHWashington, DCUnited States
 Population  Unlock683,154329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.6%  Unlock49.5%
 Median Age  Unlock34.338.4
 space3
 Population - 201020,770  Unlock309,327,143
 Population - 2000  Unlock572,059285,036,114
 Population - 199025,925  Unlock251,960,433
 Pop. 2000 to Now  Unlock24.6%15.6%
 Pop. 1990 to Now-16.9%  Unlock30.8%
 space4
 Population Density  Unlock11,174.393.4
 Land Area15.7  Unlock3,531,905.4
 Water Area  Unlock7.2264,836.8
 space
 Est. Total Population By Age
 Portsmouth, NHWashington, DCUnited States
 Age 0 to 43.5%  Unlock5.9%
 Age 5 to 9  Unlock5.1%6.1%
 Age 10 to 143.9%  Unlock6.6%
 Age 15 to 17  Unlock2.3%3.9%
 Age 18 to 201.8%  Unlock4.0%
 Age 21 to 24  Unlock5.8%5.2%
 Age 25 to 3417.5%  Unlock13.8%
 Age 35 to 44  Unlock15.6%12.9%
 Age 45 to 5413.0%  Unlock12.6%
 Age 55 to 59  Unlock5.2%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock7.2%9.6%
 Age 75 to 845.9%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Portsmouth, NHWashington, DCUnited States
 White87.3%  Unlock59.4%
 Black  Unlock43.9%12.2%
 Asian5.0%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races2.9%  Unlock3.2%
 Hispanic  Unlock11.3%18.4%
 space2
 Marriage & Family
 Portsmouth, NHWashington, DCUnited States
 Married Population48.6%  Unlock49.8%
     Currently Married  Unlock30.9%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock67.4%50.2%
 Never Married33.7%  Unlock33.8%
 Divorced  Unlock8.2%10.8%
 Widowed5.4%  Unlock5.6%
 space5
 Household Size  Unlock2.082.60
 Households10,462  Unlock124,010,992
 Family Households  Unlock131,19680,755,759
     Married couple, w/children23.9%  Unlock30.5%
     Married couple, no children  Unlock36.8%42.9%
 Non Family Households5,114  Unlock43,255,233
     Single householder, w/children  Unlock22.8%15.8%
     Single householder, no children9.6%  Unlock10.8%
Voting
Reviews for Portsmouth    7 Reviews
Matt · Orlando, FL
Beautiful city
Over 15 years ago

I was up in Portsmouth a couple years ago visiting from Florida. I loved how I was able to prk the car, get out and have numerous bars/restaurants, clothing stores, etc  More

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Andrea  · Portsmouth, NH
Portsmouth, NH
Over 16 years ago

Portsmouth is full of history, art, interesting shops, restaurants and the best  More

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Jessica · Dover, NH
Culture & Recreation
Over 18 years ago

Portsmouth is a beautiful historic town settled right on the seacoast. Excellent restaurants, great cafes and shops, and picturesque streets make this a wonderful city  More

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Reviews for Washington    97 Reviews
JOHN · Arlington, VA
The worst
Over 4 years ago

Living in DC long term brings on a kind of insidious misery. A long, slow, simmering down of any natural optimism or desire for a better future. It’s a leach of a town  More

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P · Los Angeles, CA
It was time to leave.
Over 5 years ago

Parts are beautiful but alot is rundown and ghetto. They always show the monuments and upper nw neighborhoods but never show hoods across the Anacostia River. Crime is  More

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Fritz · Alexandria, VA
Great town with it's challenges
Over 6 years ago

Moved to DC 40 years ago from Mpls-St. Paul. DC is an amazing town. Downside is people are very competitive, everything is expensive. Great restaurants, foodie heaven  More

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Learn More About Portsmouth, New Hampshire
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Learn More About Washington, District of Columbia
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