2025 Compare Cities People:
Portsmouth, NH vs Longmont, CO

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Highlights
- Longmont is 0% more densely populated than Portsmouth.
- People are 2.0% more likely to be married in Longmont.
- The Median Age is 2.7 years younger in Longmont.
 Portsmouth, NHLongmont, COUnited States
 Population  Unlock98,789329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.6%  Unlock49.5%
 Median Age  Unlock39.538.4
 space3
 Population - 201020,770  Unlock309,327,143
 Population - 2000  Unlock71,093285,036,114
 Population - 199025,925  Unlock251,960,433
 Pop. 2000 to Now  Unlock38.5%15.6%
 Pop. 1990 to Now-16.9%  Unlock30.8%
 space4
 Population Density  Unlock3,585.393.4
 Land Area15.7  Unlock3,531,905.4
 Water Area  Unlock1.5264,836.8
 space
 Est. Total Population By Age
 Portsmouth, NHLongmont, COUnited States
 Age 0 to 43.5%  Unlock5.9%
 Age 5 to 9  Unlock5.6%6.1%
 Age 10 to 143.9%  Unlock6.6%
 Age 15 to 17  Unlock4.6%3.9%
 Age 18 to 201.8%  Unlock4.0%
 Age 21 to 24  Unlock4.9%5.2%
 Age 25 to 3417.5%  Unlock13.8%
 Age 35 to 44  Unlock14.3%12.9%
 Age 45 to 5413.0%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock9.8%9.6%
 Age 75 to 845.9%  Unlock4.5%
 Age 85 and over  Unlock2.1%1.9%
 space1
 Race
 Portsmouth, NHLongmont, COUnited States
 White87.3%  Unlock59.4%
 Black  Unlock1.1%12.2%
 Asian5.0%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races2.9%  Unlock3.2%
 Hispanic  Unlock23.5%18.4%
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 Marriage & Family
 Portsmouth, NHLongmont, COUnited States
 Married Population48.6%  Unlock49.8%
     Currently Married  Unlock48.4%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock50.4%50.2%
 Never Married33.7%  Unlock33.8%
 Divorced  Unlock13.5%10.8%
 Widowed5.4%  Unlock5.6%
 space5
 Household Size  Unlock2.502.60
 Households10,462  Unlock124,010,992
 Family Households  Unlock24,79280,755,759
     Married couple, w/children23.9%  Unlock30.5%
     Married couple, no children  Unlock45.6%42.9%
 Non Family Households5,114  Unlock43,255,233
     Single householder, w/children  Unlock14.8%15.8%
     Single householder, no children9.6%  Unlock10.8%
Reviews for Portsmouth    7 Reviews

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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Over 16 years ago

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

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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 Longmont    19 Reviews

I lived here for 4 years and it's pretty nice. It gets cold and stays cold for a good 8 months, but other than that I loved it. There are a lot of amenities. It is  More

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Over 6 years ago

I just move from other state to Longmont. In my opinion Longmont is one of the safest city in US which is have a low crime, its great city to raised family .Has a great  More

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Fantastic place to live. Four golf courses, many parks, 10 minutes to the foothills and 40 minutes from the Rockies, the location is hard to beat if you want to be 45  More

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