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2025 Compare Cities People:
Old Lyme, CT vs South Portland, ME

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Highlights
- South Portland is 0% more densely populated than Old Lyme.
- People are 28.4% less likely to be married in South Portland.
- The Median Age is 6.6 years younger in South Portland.
 Old Lyme, CTSouth Portland, MEUnited States
 Population  Unlock26,428329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock43.238.4
 space3
 Population - 20107,604  Unlock309,327,143
 Population - 2000  Unlock23,324285,036,114
 Population - 19906,535  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.3%15.6%
 Pop. 1990 to Now11.4%  Unlock30.8%
 space4
 Population Density  Unlock2,192.793.4
 Land Area23.0  Unlock3,531,905.4
 Water Area  Unlock2.0264,836.8
 space
 Est. Total Population By Age
 Old Lyme, CTSouth Portland, MEUnited States
 Age 0 to 44.4%  Unlock5.9%
 Age 5 to 9  Unlock3.1%6.1%
 Age 10 to 146.9%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 202.5%  Unlock4.0%
 Age 21 to 24  Unlock7.0%5.2%
 Age 25 to 346.5%  Unlock13.8%
 Age 35 to 44  Unlock11.2%12.9%
 Age 45 to 5416.6%  Unlock12.6%
 Age 55 to 59  Unlock8.6%6.7%
 Age 60 to 648.4%  Unlock6.3%
 Age 65 to 74  Unlock12.5%9.6%
 Age 75 to 846.1%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Old Lyme, CTSouth Portland, MEUnited States
 White88.5%  Unlock59.4%
 Black  Unlock5.0%12.2%
 Asian2.1%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.4%  Unlock3.2%
 Hispanic  Unlock2.9%18.4%
 space2
 Marriage & Family
 Old Lyme, CTSouth Portland, MEUnited States
 Married Population61.0%  Unlock49.8%
     Currently Married  Unlock43.2%48.0%
 Married but Separated0.3%  Unlock1.8%
 Single Population  Unlock56.3%50.2%
 Never Married22.1%  Unlock33.8%
 Divorced  Unlock14.8%10.8%
 Widowed5.9%  Unlock5.6%
 space5
 Household Size  Unlock2.212.60
 Households3,100  Unlock124,010,992
 Family Households  Unlock6,49780,755,759
     Married couple, w/children32.4%  Unlock30.5%
     Married couple, no children  Unlock49.4%42.9%
 Non Family Households893  Unlock43,255,233
     Single householder, w/children  Unlock10.1%15.8%
     Single householder, no children5.9%  Unlock10.8%
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Reviews for Old Lyme    0 Reviews

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Reviews for South Portland    1 Reviews
Terry · South Portland, ME
Living in Southern Maine
Over 12 years ago

The Greater Portland area has a very livable climate in the summer, some of spring & fall, but winters are usually a bear. There's lots of outdoor things to do nearby  More

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Learn More About Old Lyme, Connecticut
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Learn More About South Portland, Maine
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