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SEABROOK ISLAND VS.
MILLSBORO
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2025 Compare Cities People:
Seabrook Island, SC vs Millsboro, DE
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Highlights
- Millsboro is 0% more densely populated than Seabrook Island.
- People are 32.0% less likely to be married in Millsboro.
- The Median Age is 24.1 years younger in Millsboro.
Seabrook Island, SC
Millsboro, DE
United States
Population
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6,542
329,725,481
Female Population
50.7%
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50.5%
Male Population
49.3%
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49.5%
Median Age
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43.3
38.4
space3
Population - 2010
1,717
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309,327,143
Population - 2000
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2,360
285,036,114
Population - 1990
948
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251,960,433
Pop. 2000 to Now
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97.7%
15.6%
Pop. 1990 to Now
98.3%
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30.8%
space4
Population Density
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1,761.0
93.4
Land Area
6.0
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3,531,905.4
Water Area
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0.2
264,836.8
space
Est. Total Population By Age
Seabrook Island, SC
Millsboro, DE
United States
Age 0 to 4
0.0%
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5.9%
Age 5 to 9
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5.6%
6.1%
Age 10 to 14
0.0%
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6.6%
Age 15 to 17
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4.4%
3.9%
Age 18 to 20
0.5%
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4.0%
Age 21 to 24
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4.5%
5.2%
Age 25 to 34
0.7%
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13.8%
Age 35 to 44
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16.2%
12.9%
Age 45 to 54
7.0%
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12.6%
Age 55 to 59
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5.9%
6.7%
Age 60 to 64
20.0%
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6.3%
Age 65 to 74
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17.1%
9.6%
Age 75 to 84
20.2%
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4.5%
Age 85 and over
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1.1%
1.9%
space1
Race
Seabrook Island, SC
Millsboro, DE
United States
White
97.7%
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59.4%
Black
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17.9%
12.2%
Asian
0.0%
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5.6%
Native American
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0.5%
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
0.7%
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3.2%
Hispanic
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0.7%
18.4%
space2
Marriage & Family
Seabrook Island, SC
Millsboro, DE
United States
Married Population
81.5%
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49.8%
Currently Married
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52.9%
48.0%
Married but Separated
1.2%
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1.8%
Single Population
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44.6%
50.2%
Never Married
4.3%
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33.8%
Divorced
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10.5%
10.8%
Widowed
7.7%
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5.6%
space5
Household Size
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2.31
2.60
Households
1,100
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124,010,992
Family Households
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1,798
80,755,759
Married couple, w/children
1.1%
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30.5%
Married couple, no children
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42.2%
42.9%
Non Family Households
365
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43,255,233
Single householder, w/children
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21.6%
15.8%
Single householder, no children
0.0%
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10.8%
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Learn More About Seabrook Island, South Carolina
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