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2025 Compare Cities People:
Portsmouth, OH vs Rochester, NH

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Highlights
- Rochester is 0% more densely populated than Portsmouth.
- People are 39.7% more likely to be married in Rochester.
- The Median Age is 6.1 years older in Rochester.
 Portsmouth, OHRochester, NHUnited States
 Population  Unlock32,317329,725,481
 Female Population53.3%  Unlock50.5%
 Male Population46.7%  Unlock49.5%
 Median Age  Unlock42.638.4
 space3
 Population - 201020,168  Unlock309,327,143
 Population - 2000  Unlock28,461285,036,114
 Population - 199022,676  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.5%15.6%
 Pop. 1990 to Now-12.9%  Unlock30.8%
 space4
 Population Density  Unlock716.493.4
 Land Area10.7  Unlock3,531,905.4
 Water Area  Unlock0.3264,836.8
 space
 Est. Total Population By Age
 Portsmouth, OHRochester, NHUnited States
 Age 0 to 45.8%  Unlock5.9%
 Age 5 to 9  Unlock6.3%6.1%
 Age 10 to 146.0%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 205.0%  Unlock4.0%
 Age 21 to 24  Unlock4.3%5.2%
 Age 25 to 3414.0%  Unlock13.8%
 Age 35 to 44  Unlock12.4%12.9%
 Age 45 to 549.5%  Unlock12.6%
 Age 55 to 59  Unlock8.6%6.7%
 Age 60 to 646.1%  Unlock6.3%
 Age 65 to 74  Unlock10.5%9.6%
 Age 75 to 846.0%  Unlock4.5%
 Age 85 and over  Unlock2.8%1.9%
 space1
 Race
 Portsmouth, OHRochester, NHUnited States
 White85.3%  Unlock59.4%
 Black  Unlock1.0%12.2%
 Asian1.2%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races4.2%  Unlock3.2%
 Hispanic  Unlock2.6%18.4%
 space2
 Marriage & Family
 Portsmouth, OHRochester, NHUnited States
 Married Population35.8%  Unlock49.8%
     Currently Married  Unlock49.1%48.0%
 Married but Separated3.4%  Unlock1.8%
 Single Population  Unlock49.9%50.2%
 Never Married41.0%  Unlock33.8%
 Divorced  Unlock15.3%10.8%
 Widowed8.8%  Unlock5.6%
 space5
 Household Size  Unlock2.392.60
 Households7,259  Unlock124,010,992
 Family Households  Unlock8,47680,755,759
     Married couple, w/children22.2%  Unlock30.5%
     Married couple, no children  Unlock49.5%42.9%
 Non Family Households3,309  Unlock43,255,233
     Single householder, w/children  Unlock15.7%15.8%
     Single householder, no children15.8%  Unlock10.8%
Voting
Reviews for Portsmouth    1 Reviews
Laura · Manchester, OH
Former College Student
Over 19 years ago

Portsmouth is a poor town. However, Shawnee State University is located there--a good place to get a highly-affordable college education. The people there are very  More

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Reviews for Rochester    3 Reviews
Esther · Rochester, NH
the next great place in the Seacoast region
Over 17 years ago

After living here for almost twelve years, I become happier each year with my choice. Rochester has lots of space left for development. It provides good community  More

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Sandra · Rochester, NH
The place where YOU know NOTHING, and EVERYONE ELS
Over 18 years ago

Awful horrid place, people have such a terrible attitude and can't (or at least won't) keep to their own business, ALWAYS starting and causing DRAMA, BS, HEADGAMES, and  More

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Ross · Rochester, NH
Small Town Living with City Convenience
Over 19 years ago

Rochester is a beautiful New England small town within commuting and shopping distance to Portsmouth and Boston. Close to both the White Mountains and the Seacoast  More

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