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MARATHON VS.
DUCK_KEY
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2025 Compare Cities People:
Marathon, FL vs Duck Key, FL
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Highlights
- Duck Key is 0% more densely populated than Marathon.
- People are 21.8% more likely to be married in Duck Key.
- The Median Age is 14.0 years older in Duck Key.
Marathon, FL
Duck Key, FL
United States
Population
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783
329,725,481
Female Population
47.8%
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50.5%
Male Population
52.2%
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49.5%
Median Age
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62.9
38.4
space3
Population - 2010
8,319
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309,327,143
Population - 2000
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443
285,036,114
Population - 1990
8,857
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251,960,433
Pop. 2000 to Now
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58.0%
15.6%
Pop. 1990 to Now
1.4%
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30.8%
space4
Population Density
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1,307.2
93.4
Land Area
8.4
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3,531,905.4
Water Area
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0.0
264,836.8
space
Est. Total Population By Age
Marathon, FL
Duck Key, FL
United States
Age 0 to 4
4.7%
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5.9%
Age 5 to 9
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1.0%
6.1%
Age 10 to 14
6.6%
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6.6%
Age 15 to 17
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0.0%
3.9%
Age 18 to 20
3.3%
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4.0%
Age 21 to 24
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4.7%
5.2%
Age 25 to 34
9.2%
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13.8%
Age 35 to 44
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4.6%
12.9%
Age 45 to 54
15.5%
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12.6%
Age 55 to 59
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8.2%
6.7%
Age 60 to 64
7.9%
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6.3%
Age 65 to 74
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26.1%
9.6%
Age 75 to 84
7.1%
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4.5%
Age 85 and over
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2.7%
1.9%
space1
Race
Marathon, FL
Duck Key, FL
United States
White
54.4%
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59.4%
Black
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5.9%
12.2%
Asian
0.5%
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5.6%
Native American
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0.0%
0.6%
Hawaiian, Pacific Islander
0.0%
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0.2%
Other
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0.0%
0.4%
Two or More Races
1.0%
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3.2%
Hispanic
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9.3%
18.4%
space2
Marriage & Family
Marathon, FL
Duck Key, FL
United States
Married Population
49.2%
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49.8%
Currently Married
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59.9%
48.0%
Married but Separated
2.2%
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1.8%
Single Population
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40.1%
50.2%
Never Married
24.8%
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33.8%
Divorced
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17.0%
10.8%
Widowed
7.5%
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5.6%
space5
Household Size
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2.19
2.60
Households
3,996
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124,010,992
Family Households
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200
80,755,759
Married couple, w/children
21.4%
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30.5%
Married couple, no children
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84.0%
42.9%
Non Family Households
1,761
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43,255,233
Single householder, w/children
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11.5%
15.8%
Single householder, no children
9.1%
Unlock
10.8%
Voting
Reviews for Marathon
1 Reviews
Mark
·
Marathon, FL
Great climate
Over 14 years ago
Year round
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Reviews for Duck Key
0 Reviews
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