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KEY BISCAYNE VS.
SPRINGHILL
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2026 Compare Cities People:
Key Biscayne, FL vs Springhill, FL
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Highlights
- Springhill is 0% more densely populated than Key Biscayne.
- People are 61.5% more likely to be married in Springhill.
- The Median Age is 23.0 years older in Springhill.
Key Biscayne, FL
Springhill, FL
United States
Population
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63
329,725,481
Female Population
51.3%
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50.5%
Male Population
48.7%
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49.5%
Median Age
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64.7
38.4
space3
Population - 2010
12,389
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309,327,143
Population - 2000
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129
285,036,114
Population - 1990
8,854
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251,960,433
Pop. 2000 to Now
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14.7%
15.6%
Pop. 1990 to Now
43.8%
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30.8%
space4
Population Density
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5.0
93.4
Land Area
1.2
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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
Key Biscayne, FL
Springhill, FL
United States
Age 0 to 4
4.4%
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5.9%
Age 5 to 9
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0.0%
6.1%
Age 10 to 14
13.9%
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6.6%
Age 15 to 17
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0.0%
3.9%
Age 18 to 20
2.4%
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4.0%
Age 21 to 24
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0.0%
5.2%
Age 25 to 34
4.0%
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13.8%
Age 35 to 44
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0.0%
12.9%
Age 45 to 54
20.9%
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12.6%
Age 55 to 59
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31.7%
6.7%
Age 60 to 64
4.8%
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6.3%
Age 65 to 74
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44.4%
9.6%
Age 75 to 84
5.6%
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4.5%
Age 85 and over
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0.0%
1.9%
space1
Race
Key Biscayne, FL
Springhill, FL
United States
White
23.4%
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59.4%
Black
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0.0%
12.2%
Asian
0.2%
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5.6%
Native American
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0.0%
0.6%
Hawaiian, Pacific Islander
0.1%
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0.2%
Other
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0.0%
0.4%
Two or More Races
1.6%
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3.2%
Hispanic
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0.0%
18.4%
space2
Marriage & Family
Key Biscayne, FL
Springhill, FL
United States
Married Population
59.0%
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49.8%
Currently Married
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95.2%
48.0%
Married but Separated
0.3%
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1.8%
Single Population
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4.8%
50.2%
Never Married
29.0%
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33.8%
Divorced
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0.0%
10.8%
Widowed
4.5%
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5.6%
space5
Household Size
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2.10
2.60
Households
4,580
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124,010,992
Family Households
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30
80,755,759
Married couple, w/children
52.9%
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30.5%
Married couple, no children
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100.0%
42.9%
Non Family Households
996
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43,255,233
Single householder, w/children
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0.0%
15.8%
Single householder, no children
5.8%
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10.8%
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Learn More About Key Biscayne, Florida
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