2025 Compare Cities People:
New Castle, IN vs Marco Island, FL

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Highlights
- Marco Island is 0% more densely populated than New Castle.
- People are 67.6% more likely to be married in Marco Island.
- The Median Age is 26.4 years older in Marco Island.
 New Castle, INMarco Island, FLUnited States
 Population  Unlock15,929329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock66.938.4
 space3
 Population - 201018,125  Unlock309,327,143
 Population - 2000  Unlock15,068285,036,114
 Population - 199017,753  Unlock251,960,433
 Pop. 2000 to Now  Unlock20.1%15.6%
 Pop. 1990 to Now-3.6%  Unlock30.8%
 space4
 Population Density  Unlock1,310.293.4
 Land Area7.4  Unlock3,531,905.4
 Water Area  Unlock12.5264,836.8
 space
 Est. Total Population By Age
 New Castle, INMarco Island, FLUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock2.1%6.1%
 Age 10 to 145.2%  Unlock6.6%
 Age 15 to 17  Unlock1.5%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock2.0%5.2%
 Age 25 to 3411.5%  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 845.1%  Unlock4.5%
 Age 85 and over  Unlock7.8%1.9%
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 Race
 New Castle, INMarco Island, FLUnited States
 White91.8%  Unlock59.4%
 Black  Unlock0.4%12.2%
 Asian0.5%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.9%  Unlock3.2%
 Hispanic  Unlock8.3%18.4%
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 Marriage & Family
 New Castle, INMarco Island, FLUnited States
 Married Population45.0%  Unlock49.8%
     Currently Married  Unlock74.7%48.0%
 Married but Separated2.1%  Unlock1.8%
 Single Population  Unlock24.5%50.2%
 Never Married31.6%  Unlock33.8%
 Divorced  Unlock6.7%10.8%
 Widowed7.2%  Unlock5.6%
 space5
 Household Size  Unlock1.962.60
 Households7,179  Unlock124,010,992
 Family Households  Unlock5,73680,755,759
     Married couple, w/children25.7%  Unlock30.5%
     Married couple, no children  Unlock86.1%42.9%
 Non Family Households2,826  Unlock43,255,233
     Single householder, w/children  Unlock1.5%15.8%
     Single householder, no children14.0%  Unlock10.8%
Reviews for New Castle    4 Reviews

Hello, I would like to know more about New Castle current and future economic and crime condition. Several forums indicate that this city is ghost town with minimal  More

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Over 13 years ago

I will always call New Castle.. Home. I do have such wonderful memories there. When I moved there because my Dad's job had relocated, it was not only his home town but  More

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I grew up in New Castle and am sad to say I will never go back. New Castle has no jobs and is close to ghost town. The town is one big courthouse,prison or work release  More

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Reviews for Marco Island    3 Reviews

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

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Over 8 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

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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

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