Sanibel, Lee County, FL demographics:
population, income, and more

Total population
6,418
0.2% year-over-year change
Median household income
$108,644/yr
-11.5% year-over-year change
Housing units
8,564
0.5% year-over-year change

Sanibel population

How many people live in Sanibel

Sanibel is home to 6,418 residents, according to the most recent Census data. Gender-wise, 47.4% of Sanibel locals are male, and 52.6% are female.

Total population
6,418
0.2% year-over-year change
Gender ratio
Male
47.4%
3,039
Female
52.6%
3,379
Value Percent YoY change
Male 3,039 47.4% 3.2%
Female 3,379 52.6% -2.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Sanibel is 67, with the population distributed as follows: about 4% are children under 15, then 4.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 6.5% of the population, while another 30.1% fall into the 45 to 64 bracket. Finally, around 54.9% are 65 or older.

Median age
67.3
Age breakdown
Under 15
4%
15 to 24
4.5%
25 to 44
6.5%
45 to 64
30.1%
Over 65
54.9%
Value Percent YoY change
Under 15 257 4% 52.1%
15 to 24 289 4.5% -5.2%
25 to 44 416 6.5% 17.9%
45 to 64 1,934 30.1% 7.6%
Over 65 3,522 54.9% -6.8%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Sanibel, 93.4% of the population are US-born citizens, while 4.6% have gained naturalized citizenship. At the same time, 2% of residents are non-citizens. As for race, 94.1% of locals are Caucasian, 0.7% are African American and 0.7% have Asian roots. There’s also a share of 2.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93.4%
Non-U.S.-born citizens
4.6%
Non-citizens
2%
Value Percent YoY change
U.S.-born citizens 5,994 93.4% -0.1%
Non-U.S.-born citizens 294 4.6% -1.3%
Non-citizens 130 2% 26.2%
Racial breakdown
White
94.1%
Black or African American
0.7%
American Indian and Alaska Native
0.2%
Asian
0.7%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.7%
Other
1.6%
Value Percent
White 6,040 94.1%
Black or African American 46 0.7%
American Indian and Alaska Native 14 0.2%
Asian 43 0.7%
Two or more races 171 2.7%
Other 104 1.6%

Households in Sanibel

A peek inside Sanibel households

Sanibel has 3,170 households, with an average of 2 members in each. Of these, 73.6% are families, while the remaining 26.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,170
-4.2% year-over-year change
Average people per household
2
Non-family households
836
Family households
2,334
Value Percent YoY change
Non-family households 836 26.4% -15.6%
Family households 2,334 73.6% 0.7%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Sanibel

The housing landscape of Sanibel

Sanibel's housing consists of 8,564 units, with 54.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 3.6% of the housing landscape.

Housing units
8,564
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 4,677 54.6%
1 unit, attached 173 2%
2 units 173 2%
3 or 4 units 72 0.8%
5 to 9 units 419 4.9%
10 to 19 units 1,395 16.3%
20 to 49 units 1,149 13.4%
50 or more units 179 2.1%
Mobile home 313 3.6%
Boat, RV, van, etc. 14 0.2%
Homes built since 2020
45
25.0% year-over-year change

The age of buildings in Sanibel

In Sanibel, the median construction year is 1983. Most development happened in the second half of the 20th century. Then, 8.3% of homes were added from 2000 to 2009, 4.5% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 41 0.5% -16.3%
Built between 1950 and 1959 70 0.8% -9.1%
Built between 1960 and 1969 185 2.2% -3.6%
Built between 1970 and 1979 2,914 34% 0.1%
Built between 1980 and 1989 3,317 38.7% -3.2%
Built between 1990 and 1999 899 10.5% 9.6%
Built between 2000 and 2009 710 8.3% 5.7%
Built between 2010 and 2019 383 4.5% 12.0%
Built in 2020 or later 45 0.5% 25.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sanibel occupancy rates

Out of the 3,170 occupied housing units in Sanibel, 89.9% are owner-occupied, while 10.1% are lived in by tenants. Meanwhile, 63% of all homes on the local market sit vacant.

Occupied housing units
3,170
-4.2% year-over-year change
Occupancy breakdown
Renter occupied
319
Owner occupied
2,851
Value Percent YoY
change
Renter occupied 319 10.1% 14.8%
Owner occupied 2,851 89.9% -5.9%
Unoccupied housing units
63.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Sanibel housing costs

Housing costs in Sanibel come to a median of $2,141 per month, while tenants specifically pay a median gross rent of $811.

Median housing costs per month
$2,141/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Sanibel
$811/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Sanibel

Sanibel education at a glance

About 25.7% of the population in Sanibel went to high school, while 9.2% pursued college studies. Another 5.6% earned an associate degree and 31.6% hold a bachelor’s. Meanwhile, 27.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 1,561 25.7% 10.5%
College diploma 558 9.2% -19.8%
Associate degree 340 5.6% 3.0%
Bachelor's degree 1,922 31.6% -6.0%
Graduate degree 1,696 27.9% 2.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Sanibel

How much people earn in Sanibel

The average annual household income in Sanibel was $221,748 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -2.1% change from the previous year. At the same time, the median income stood at $108,644, reflecting a -11.5% shift over the same period.

Average household income in Sanibel
$221,748/year
-2.1% year-over-year change
Median household income in Sanibel
$108,644/year
-11.5% year-over-year change

Sanibel income by age

In Sanibel, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $154,583. Those with someone between 45 and 64 in charge, often well established professionally, earn $108,729 overall. Overall, 88.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $154,583 2.1%
45 - 64 $108,729 2.4%
Over 65 $106,250 -20.0%
Above poverty level
5,653
Below poverty level
742
Value Percent YoY
change
Above poverty level 5,653 88.4% -4.0%
Below poverty level 742 11.6% 52.0%

Average renter income in Sanibel

To get a better sense of what renters earn on average in Sanibel, their median household income was $38,900 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 25%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$38,900
Rent-to-income ratio
25%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Sanibel

Workforce and job types in Sanibel

The job market in Sanibel is powered by 1,969 working residents, spread across a range of industries and roles. 83.7% of the working population are employed in professional or administrative positions, while 16.3% are in hands-on or service-based jobs. Also, 35.1% run their own businesses, 53.3% are employed by private companies, and 7.9% work in the public sector.

Workforce demographics

Working population
1,969
-0.9% year-over-year change
White collar
1,648
Blue collar
321
Value Percent YoY change
White collar 1,648 83.7% -5.2%
Blue collar 321 16.3% 30.0%
Employer type
Self employees
35.1%
Private companies
53.3%
Governmental workers
7.9%
Not for profit companies
3.7%
Value Percent YoY change
Self employees 692 35.1% 1.2%
Private companies 1,049 53.3% -0.3%
Governmental workers 155 7.9% 4.0%
Not for profit companies 73 3.7% -27.7%
Unemployment rate
5.7%
-6.3% year-over-year change

Available workforce

The unemployment rate in Sanibel stands at 5.7%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Sanibel

How people get around in Sanibel

Commuting methods vary: 58.4% of residents travel by personal vehicle and 7.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,138 58.4% -5.6%
Bus or trolleybus 6 0.3% 20.0%
Bicycle 46 2.4% 360.0%
Walk 144 7.4% 6.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Sanibel by zipcode?

Zipcode Population Number of households Median income Average income
33957 6,418 3,170 $108,644 $221,748

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FAQs about Sanibel demographics 

What is the total population of Sanibel?

Sanibel has a total population of 6,418 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.2% compared to a year ago.

What is the gender ratio in Sanibel?

The gender ratio in Sanibel is as follows:
  • 47.4% males (3,039 residents)
  • 52.6% females (3,379 residents)

What is the median age in Sanibel?

The median age in Sanibel is 67.3.

What is the age distribution of the population in Sanibel?

The age distribution in Sanibel is as follows:
  • Under 15: 4% (257 residents)
  • Ages 15-24: 4.5% (289 residents)
  • Ages 25-44: 6.5% (416 residents)
  • Ages 45-64: 30.1% (1,934 residents)
  • Over 65: 54.9% (3,522 residents)

What is the racial and ethnic makeup of Sanibel?

The racial and ethnic makeup of Sanibel is as follows:
  • White: 94.1% (6,040 residents)
  • Black or African American: 0.7% (46 residents)
  • American Indian and Alaska Native: 0.2% (14 residents)
  • Asian: 0.7% (43 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 2.7% (171 residents)
  • Other: 1.6% (104 residents)

What percentage of the population in Sanibel are U.S.-born citizens?

U.S.-born citizens represent 93.4% of the population in Sanibel.

How many housing units are there in Sanibel?

There are 8,564 housing units in Sanibel, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Sanibel and what is the average household size?

Sanibel has a total of 3,170 households, with an average of 2 people in each.

What is the median household income in Sanibel?

Sanibel has a median household income of $108,644, representing a -11.5% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Sanibel?

The employment rate is 94.3% in Sanibel, with a workforce of 1,969 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 83.7% (1,648 residents)
  • Blue-collar workers: 16.3% (321 residents)

Places of employment:
  • Self-employed: 35.1% (692 residents)
  • Private companies: 53.3% (1,049 residents)
  • Governmental workers: 7.9% (155 residents)
  • Not-for-profit companies: 3.7% (73 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025