2025 Compare Cities People:
Greenwich, CT vs Mason City, IA

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Highlights
- Mason City is 0% more densely populated than Greenwich.
- People are 14.1% less likely to be married in Mason City.
- The Median Age is 0.4 years younger in Mason City.
 Greenwich, CTMason City, IAUnited States
 Population  Unlock27,385329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock42.538.4
 space3
 Population - 201061,310  Unlock309,327,143
 Population - 2000  Unlock29,172285,036,114
 Population - 199058,441  Unlock251,960,433
 Pop. 2000 to Now  Unlock-8.5%15.6%
 Pop. 1990 to Now7.4%  Unlock30.8%
 space4
 Population Density  Unlock985.393.4
 Land Area47.7  Unlock3,531,905.4
 Water Area  Unlock0.3264,836.8
 space
 Est. Total Population By Age
 Greenwich, CTMason City, IAUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock5.1%6.1%
 Age 10 to 148.0%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock4.4%5.2%
 Age 25 to 347.4%  Unlock13.8%
 Age 35 to 44  Unlock11.1%12.9%
 Age 45 to 5416.1%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock11.7%9.6%
 Age 75 to 845.1%  Unlock4.5%
 Age 85 and over  Unlock3.3%1.9%
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 Race
 Greenwich, CTMason City, IAUnited States
 White73.0%  Unlock59.4%
 Black  Unlock2.6%12.2%
 Asian7.1%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races3.9%  Unlock3.2%
 Hispanic  Unlock6.1%18.4%
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 Marriage & Family
 Greenwich, CTMason City, IAUnited States
 Married Population60.4%  Unlock49.8%
     Currently Married  Unlock50.7%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock48.1%50.2%
 Never Married27.5%  Unlock33.8%
 Divorced  Unlock12.0%10.8%
 Widowed4.7%  Unlock5.6%
 space5
 Household Size  Unlock2.092.60
 Households22,620  Unlock124,010,992
 Family Households  Unlock7,26480,755,759
     Married couple, w/children40.8%  Unlock30.5%
     Married couple, no children  Unlock51.4%42.9%
 Non Family Households5,916  Unlock43,255,233
     Single householder, w/children  Unlock16.5%15.8%
     Single householder, no children5.4%  Unlock10.8%
Reviews for Greenwich    2 Reviews

Over 17 years ago

Cost of Living is very high. If you can afford it, this is a very nice place to  More

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Cost of living, especially utilities is high. Even have a 'special' gas surcharge at the pump for those living (and buying) in lower Fairfield County. At the same time  More

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Reviews for Mason City    8 Reviews

I am from the area originally and have lived several places. I recently moved back from Arizona. I moved back to help with my elderly parents. If I did not have  More

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Over 13 years ago

Where to begin?? Murder,arson,abductions,beastialty,gang killings,meth labs,pantie thiefs. High utility bills, no jobs, corrupt police, evil judges, minus 40 below wind  More

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Over 14 years ago

Unless you have a tie to Mason City, such as family, don't even consider this desolate town. The population is declining rapidly for a reason. You are on an island,  More

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