Sanibel, Florida Population 2021

7,387
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Sanibel is a city located in Lee County Florida. With a 2020 population of 7,387, it is the 189th largest city in Florida and the 3827th largest city in the United States . Sanibel is currently declining at a rate of -0.09% annually but its population has increased by 14.19% since the most recent census, which recorded a population of 6,469 in 2010. Sanibel reached it's highest population of 7,408 in 2018. Spanning over 33 miles, Sanibel has a population density of 457 people per square mile.

The average household income in Sanibel is $171,104 with a poverty rate of 6.65%. The median rental costs in recent years comes to $1,545 per month, and the median house value is $721,200. The median age in Sanibel is 66.9 years, 68.9 years for males, and 65.5 years for females.

Sanibel Demographics

According to the most recent ACS, the racial composition of Sanibel was:

  • White: 97.38%
  • Native American: 1.33%
  • Black or African American: 0.42%
  • Other race: 0.36%
  • Asian: 0.31%
  • Two or more races: 0.20%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Sanibel, Florida is 7,387 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 7,408.The last official US Census in 2010 recorded the population at 6,469.

Sanibel, Florida Population 2021

Population by Race

Race Population Percentage
White7,12797.38%
American Indian and Alaska Native971.33%
Black or African American310.42%
Some Other Race260.36%
Asian230.31%
Two or More Races150.20%
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Sanibel Population by Race

Sanibel Population Pyramid $2021

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Sanibel Median Age

66.9


Total

68.9


Male

65.5


Female

Sanibel Adults

There are 6,715 adults, (4,120 of whom are seniors) in Sanibel.

Sanibel Age Dependency

182

Age Dependency Ratio

158.8

Old Age Dependency Ratio

23.3

Child Dependency Ratio

Sanibel Sex Ratio

Female

3,929

53.68%

Male

3,390

46.32%

Sanibel Population by Age

Sanibel Renter vs Owner Occupied by Household Type

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Sanibel Household Types

Type Owner Renter
Married92.9%7.1%
All85.5%14.5%
Female78.9%21.1%
Non Family76.1%23.9%
Male37.4%62.6%

85.5%

Rate of Home Ownership

Sanibel Households and Families

Type Count Average Size Owned
All3,6841.9885.5
Married2,3702.292.9
Non Family1,0611.0976.1
Male1393.637.4
Female1143.7578.9

2.3

Average Family Size

1.98

Average Household Size

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Sanibel Households by Type

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Education Attained Count Percentage
Less Than 9th Grade340.51%
9th to 12th Grade1181.78%
High School Graduate94514.28%
Some College1,14217.26%
Associates Degree3335.03%
Bachelors Degree2,02130.54%
Graduate Degree2,02430.59%
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Sanibel Educational Attainment by Sex (over 25)

Sanibel Educational Attainment by Race

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Race Total High School Bachelors
White6,3826,2553,969
Native American979713
Hispanic575738
Black3131
Other Race25
Asian232323
2+ Races151515

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Sanibel Educational Attainment by Race

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Name Average Male Female
Overall$41,658$55,333$29,679
Less Than 9th Grade$$$
High School Graduate$38,162$45,981$
Some College$31,250$47,813$29,316
Bachelors Degree$42,308$82,404$30,919
Graduate Degree$83,629$92,841$69,306

$41,658

Average Earnings

$55,333

Average Male

$29,679

Average Female

Sanibel Earnings by Educational Attainment

Sanibel Language by Age

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Sanibel Language

93.85% of Sanibel residents speak only English, while 6.15% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.39% of the population.

Sanibel Language

Sanibel Poverty by Race

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6.65%

Overall Poverty Rate

6.14%

Male Poverty Rate

7.10%

Female Poverty Rate

Poverty in Sanibel

The race most likely to be in poverty in Sanibel is White, with 6.88% below the poverty level.

The race least likely to be in poverty in Sanibel is White, with 6.88% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.98%. Among those working part-time, it was 8.05%, and for those that did not work, the poverty rate was 7.48%.

Sanibel Poverty

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Name Poverty
Less Than 9th Grade7.89%
High School6.67%
Bachelors or Greater6.25%
Some College6.24%

Sanibel Poverty Rate by Education

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Rate Poverty
Male Employed6.25%
Female Employed4.42%
Female Unemployed0.00%
Male Unemployed0.00%

Sanibel Poverty Rate by Employment Status and Sex

Sanibel Income by Household Type

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Name Median Mean
Households$108,081$171,104
Families$129,223$197,314
Married Families$136,977-
Non Families$47,411$103,865
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Income by Household Type

Sanibel Marital Status

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Marriage Rates

72.3%

Overall Marriage Rate

77.8%

Male Marriage Rate

67.4%

Female Marriage Rate

Sanibel Married by Age and Sex

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Sanibel Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Sanibel Marital Status by Race

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Sanibel Marital Status

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670

Number of Veterans

647

Male Veterans

23

Female Veterans

War Veterans
Vietnam298
World War II71
First Gulf War67
Korea64
Second Gulf War26

Sanibel Veterans by War

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Age Group Veterans
75+364
65 to 74216
35 to 5446
55 to 6444
18 to 34

Sanibel Veterans by Age

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Name Veterans % of Total
White67010.27%
Hispanic1831.03%

Sanibel Veterans by Race

Sanibel Veterans by Education

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3.28%

Veteran Poverty Rate

22.69%

Veteran Disability Rate

Sanibel Veterans by Education

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37.3%

Labor Force Participation

36.8%

Employment Rate

1.5%

Unemployment Rate

Sanibel Employment by Age

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Sanibel Employment by Race

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Sanibel Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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10.90%

Born in Sanibel

91.53%

Native Born

8.47%

Foreign Born

2.68%

Non Citizen

5.79%

Naturalized

Place of Birth

91.53% of Sanibel residents were born in the United States, with 10.90% having been born in Florida. 2.68% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Sanibel Place of Birth

Year Population Growth Annual Growth Rate
20217,387-7-0.09%
20207,394-7-0.09%
20197,401-7-0.09%
20187,408300.41%
20177,378921.26%
20167,2861321.85%
20157,1541712.45%
20146,9831361.99%
20136,8471422.12%
20126,7051201.82%
20116,585991.53%
20106,4864220.68%
20006,0645961.04%
19905,4682,1054.98%
19803,3630.00%

Sanibel Population by Year