2025 Compare Cities People:
Jacksonville, FL vs Key Largo, FL

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Highlights
- Key Largo is 0% more densely populated than Jacksonville.
- People are 21.9% more likely to be married in Key Largo.
- The Median Age is 15.8 years older in Key Largo.
 Jacksonville, FLKey Largo, FLUnited States
 Population  Unlock10,854329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock5238.4
 space3
 Population - 2010823,146  Unlock309,327,143
 Population - 2000  Unlock11,886285,036,114
 Population - 1990635,115  Unlock251,960,433
 Pop. 2000 to Now  Unlock-18.4%15.6%
 Pop. 1990 to Now45.0%  Unlock30.8%
 space4
 Population Density  Unlock900.793.4
 Land Area747.7  Unlock3,531,905.4
 Water Area  Unlock3.2264,836.8
 space
 Est. Total Population By Age
 Jacksonville, FLKey Largo, FLUnited States
 Age 0 to 46.7%  Unlock5.9%
 Age 5 to 9  Unlock3.9%6.1%
 Age 10 to 146.4%  Unlock6.6%
 Age 15 to 17  Unlock1.4%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock2.8%5.2%
 Age 25 to 3416.4%  Unlock13.8%
 Age 35 to 44  Unlock13.0%12.9%
 Age 45 to 5412.3%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock17.1%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock3.6%1.9%
 space1
 Race
 Jacksonville, FLKey Largo, FLUnited States
 White49.2%  Unlock59.4%
 Black  Unlock0.2%12.2%
 Asian4.8%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock27.0%18.4%
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 Marriage & Family
 Jacksonville, FLKey Largo, FLUnited States
 Married Population44.5%  Unlock49.8%
     Currently Married  Unlock53.8%48.0%
 Married but Separated2.1%  Unlock1.8%
 Single Population  Unlock45.7%50.2%
 Never Married36.0%  Unlock33.8%
 Divorced  Unlock15.7%10.8%
 Widowed5.5%  Unlock5.6%
 space5
 Household Size  Unlock2.352.60
 Households366,780  Unlock124,010,992
 Family Households  Unlock2,84680,755,759
     Married couple, w/children26.9%  Unlock30.5%
     Married couple, no children  Unlock60.8%42.9%
 Non Family Households144,472  Unlock43,255,233
     Single householder, w/children  Unlock9.1%15.8%
     Single householder, no children13.3%  Unlock10.8%
Reviews for Jacksonville    174 Reviews

I moved from a small town in Ohio around four years ago, I was 24 years old. Now, at 28, my outlook about living here has changed. I have came to the conclusion, that,  More

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I’ve lived in Jacksonville for 12+ years(but visited on and off much longer). There’s things I love and things I hate and just like any place there are pros and cons.  More

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We have been investigating Jax for a while. It looks like the Southside, Baymeadows and the further East you get is great. Any thoughts on moving to those areas, pretty  More

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Reviews for Key Largo    3 Reviews

Home for Sale 1012 Dove Road Key Largo Florida 33037 Sunny warm Key  More

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Over 19 years ago

The very low crime rate makes it very desirable for us to raise our family. The library has great story hours and lots of children's books, and an easy computerized  More

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Over 19 years ago

My husband and I are one of the few people who moved to the Keys because of the job, not because of the Keys themselves. We are unable to live in our own place because  More

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