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2025 Compare Cities People:
Islamorada, FL vs Marathon, FL

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Highlights
- Marathon is 0% more densely populated than Islamorada.
- People are 16.9% less likely to be married in Marathon.
- The Median Age is 6.4 years younger in Marathon.
 Islamorada, FLMarathon, FLUnited States
 Population  Unlock9,622329,725,481
 Female Population46.2%  Unlock50.5%
 Male Population53.8%  Unlock49.5%
 Median Age  Unlock48.938.4
 space3
 Population - 20106,135  Unlock309,327,143
 Population - 2000  Unlock10,255285,036,114
 Population - 19906,865  Unlock251,960,433
 Pop. 2000 to Now  Unlock-12.4%15.6%
 Pop. 1990 to Now-8.5%  Unlock30.8%
 space4
 Population Density  Unlock1,139.293.4
 Land Area6.4  Unlock3,531,905.4
 Water Area  Unlock0.8264,836.8
 space
 Est. Total Population By Age
 Islamorada, FLMarathon, FLUnited States
 Age 0 to 43.2%  Unlock5.9%
 Age 5 to 9  Unlock2.5%6.1%
 Age 10 to 144.1%  Unlock6.6%
 Age 15 to 17  Unlock2.7%3.9%
 Age 18 to 201.3%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 348.6%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5416.3%  Unlock12.6%
 Age 55 to 59  Unlock8.9%6.7%
 Age 60 to 6410.4%  Unlock6.3%
 Age 65 to 74  Unlock14.6%9.6%
 Age 75 to 847.5%  Unlock4.5%
 Age 85 and over  Unlock1.1%1.9%
 space1
 Race
 Islamorada, FLMarathon, FLUnited States
 White82.4%  Unlock59.4%
 Black  Unlock4.5%12.2%
 Asian1.3%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races1.2%  Unlock3.2%
 Hispanic  Unlock39.5%18.4%
 space2
 Marriage & Family
 Islamorada, FLMarathon, FLUnited States
 Married Population59.2%  Unlock49.8%
     Currently Married  Unlock47.0%48.0%
 Married but Separated2.2%  Unlock1.8%
 Single Population  Unlock50.8%50.2%
 Never Married19.9%  Unlock33.8%
 Divorced  Unlock18.6%10.8%
 Widowed4.8%  Unlock5.6%
 space5
 Household Size  Unlock2.402.60
 Households3,210  Unlock124,010,992
 Family Households  Unlock2,23580,755,759
     Married couple, w/children18.4%  Unlock30.5%
     Married couple, no children  Unlock58.0%42.9%
 Non Family Households1,340  Unlock43,255,233
     Single householder, w/children  Unlock11.5%15.8%
     Single householder, no children10.4%  Unlock10.8%
Voting
Reviews for Islamorada    3 Reviews
Gary  · Tavernier, FL
High Cost City
Over 17 years ago

Islamorada is a unique and beautiful 4-island community in the Florida Keys. It has great boating and fishing opportunities and some great local restaurants. It has a  More

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Anne · Islamorada, FL
quality of life
Over 17 years ago

Great weather, friendly people. Great place to visit and live. Work is work wherever you live, so remember that if you live here you are not on vacation 24/7 like all  More

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Val · Islamorada, FL
Paradise Lost or found?
Over 19 years ago

I have lived here 27 years and seen our lovely Islands become corporatized into condo haven. It is a lovely place, but it is changing so that the average person finds  More

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Reviews for Marathon    1 Reviews
Mark · Marathon, FL
Great climate
Over 14 years ago

Year round  More

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Learn More About Islamorada, Florida
Overview
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Voting
Learn More About Marathon, Florida
Overview
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