Overview
Cost of Living
Crime
Climate
Interactive Map
Jobs
Education
Economy
Health
Religion
People
Politics & Voting
Housing Stats
Commute Time
Rankings
Upgrade to Premium

2026 Compare Cities People:
Key West, FL vs Marco Island, FL

Change Cities
Highlights
- Marco Island is 0% more densely populated than Key West.
- People are 67.3% more likely to be married in Marco Island.
- The Median Age is 22.7 years older in Marco Island.
 Key West, FLMarco Island, FLUnited States
 Population  Unlock15,929329,725,481
 Female Population47.0%  Unlock50.5%
 Male Population53.0%  Unlock49.5%
 Median Age  Unlock66.938.4
 space3
 Population - 201024,662  Unlock309,327,143
 Population - 2000  Unlock15,068285,036,114
 Population - 199024,832  Unlock251,960,433
 Pop. 2000 to Now  Unlock20.1%15.6%
 Pop. 1990 to Now-4.3%  Unlock30.8%
 space4
 Population Density  Unlock1,310.293.4
 Land Area5.6  Unlock3,531,905.4
 Water Area  Unlock12.5264,836.8
 space
 Est. Total Population By Age
 Key West, FLMarco Island, FLUnited States
 Age 0 to 44.0%  Unlock5.9%
 Age 5 to 9  Unlock2.1%6.1%
 Age 10 to 144.6%  Unlock6.6%
 Age 15 to 17  Unlock1.5%3.9%
 Age 18 to 202.5%  Unlock4.0%
 Age 21 to 24  Unlock2.0%5.2%
 Age 25 to 3415.5%  Unlock13.8%
 Age 35 to 44  Unlock4.2%12.9%
 Age 45 to 5413.3%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock25.6%9.6%
 Age 75 to 844.8%  Unlock4.5%
 Age 85 and over  Unlock7.8%1.9%
 space1
 Race
 Key West, FLMarco Island, FLUnited States
 White58.9%  Unlock59.4%
 Black  Unlock0.4%12.2%
 Asian1.7%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.1%  Unlock3.2%
 Hispanic  Unlock8.3%18.4%
 space2
 Marriage & Family
 Key West, FLMarco Island, FLUnited States
 Married Population45.1%  Unlock49.8%
     Currently Married  Unlock74.7%48.0%
 Married but Separated2.1%  Unlock1.8%
 Single Population  Unlock24.5%50.2%
 Never Married34.1%  Unlock33.8%
 Divorced  Unlock6.7%10.8%
 Widowed4.8%  Unlock5.6%
 space5
 Household Size  Unlock1.962.60
 Households11,002  Unlock124,010,992
 Family Households  Unlock5,73680,755,759
     Married couple, w/children23.7%  Unlock30.5%
     Married couple, no children  Unlock86.1%42.9%
 Non Family Households5,254  Unlock43,255,233
     Single householder, w/children  Unlock1.5%15.8%
     Single householder, no children6.8%  Unlock10.8%
Voting
Reviews for Key West    7 Reviews
Anthoney · Key West, FL
Real cost of living averages for Key West, FL.
Over 5 years ago

I was raised in Key West since 1980, these average cost prices for rent that you are seeing were not even accurate then, let alone now in 2021. The average cost of  More

   |    Reply
Tom · Arlington, TN
Key West
Over 10 years ago

Like the  More

   |    Reply
Anthony · Key West, FL
Cost of Living Inconsistency.
Over 12 years ago

I have lived in Key West for the last seven years. During that time, I have observed very little change in the cost of living. I work for a national company that pays  More

   |    Reply

Start Your Review of Key West

See all reviews
Reviews for Marco Island    3 Reviews
Lani · San Diego, CA
Absolute Paradise (island life)
Over 5 years ago

We just purchased a home here from San Diego, Ca. Marco island is so refreshing! It is Clean, no trash, people care about their yards and community with impeccable  More

   |    Reply
Kathryn · Marco Island, FL
Great Place to Retire To
Over 9 years ago

We moved here upon retirement and have been delighted with our new community. With canals crisscrossing the entire island, most homesites are on the water, and we enjoy  More

   |    Reply
Ernie  · Homestead, FL
Outsiders not welcomed at Marco Island
Over 10 years ago

I have been coming to Marco Island for the past couple of years to spend the 4th of July with my family in this beautiful city, but never again. From what we learned  More

   |    Reply

Start Your Review of Marco Island

See all reviews
Most Recent Searches On Compare Cities
Moving from:Moving to:
 Queen Creek, ArizonaRancho Cucamonga, CaliforniaCompare
 Parma, OhioSpokane, WashingtonCompare
 Chesterbrook, PennsylvaniaNovi, MichiganCompare
 Wesley Chapel, FloridaFreeport, FloridaCompare
 Johnson City, TennesseeCoronado, CaliforniaCompare
 Franklin, North CarolinaLa Plata, MarylandCompare
 Conway, ArkansasGrand Forks, North DakotaCompare
 Clinton, IowaCedar Rapids, IowaCompare
 Homer Glen, IllinoisFranklin, TennesseeCompare
 Colorado Springs, ColoradoAdelphi, MarylandCompare

Learn More About Key West, Florida
Overview
Cost of Living
Job Market
Crime
Climate
Economy
Religion
Voting
Learn More About Marco Island, Florida
Overview
Cost of Living
Job Market
Crime
Climate
Economy
Religion
Voting
Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

Privacy Policy  •  Terms of Use  •  Returns & Refunds
© Best Places. All rights reserved.