Postal Codes

33957 ZIP Code

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ZIP code 33957 covers Sanibel, Florida, with a population of about 6,402 and a median household income of $122,730.

Population
6,402395 per square mile
Median age
68.229.5 points above the US average
Median household income
$122,7301.7× the Florida median
Poverty rate
7.7%4.7 points below the US average
Typical home value
$810,113down 11.1% in five years
Degree or higher
61.6%26.6 points above the US average
Homeownership
91.6%26.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
372

Where 33957 is

Sanibel, Florida — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,402
Median age68.2
Family households70.1%
Born outside the US5.1%
Speaks a language other than English at home3.7%
White (non-Hispanic)95.1%
Black (non-Hispanic)0.9%
Asian (non-Hispanic)1.1%
Hispanic or Latino0.7%
Veterans7.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$122,730
Income per person$119,917
Poverty rate7.7%
Households on SNAP or cash assistance1.3%

Household income distribution

Under $10k5.0%
$10–15k2.8%
$15–20k1.9%
$20–25k2.0%
$25–30k1.3%
$30–35k1.1%
$35–40k0.8%
$40–45k11.8%
$45–50k1.3%
$50–60k2.1%
$60–75k4.4%
$75–100k8.8%
$100–125k7.6%
$125–150k5.3%
$150–200k11.9%
$200k or more31.7%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,600
Mean adjusted gross income$567,028
Returns declaring $200,000 or more42.7%
Returns, under $25k12.7%
Returns, $25k–$50k8.8%
Returns, $50k–$75k7.3%
Returns, $75k–$100k6.2%
Returns, $100k–$200k22.3%
Returns, $200k or more42.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$912,200
Rent as a share of household income23%
Owner-occupied91.6%
Vacant homes61.2%
Median year built1983

What the homes are

Detached house55.2%
Attached house2.7%
2 to 4 units2.9%
5 to 19 units19.4%
20 or more units16.7%
Mobile home3%
Boat, RV or van0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$810,113as of 2026-07
Typical home value, 1 yeardown 4.2%
Typical home value, 5 yearsdown 11.1%
Typical home value, 10 yearsup 15.5%
Typical home value since 2000
200020132026$1,242,654$407,731

$407,731 in 2000 to $810,113 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6%
Bachelor's degree or higher61.6%
High school diploma or higher98.9%
Works from home29.9%
Drives to work alone53.7%
Takes public transport0.3%
Commutes 45 minutes or more21.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity24.6% 8.8 pts below the national average of 33.4%
Diagnosed diabetes14.5% 2.5 pts above the national average of 12%
Currently smokes7% 6.2 pts below the national average of 13.2%
High blood pressure46.8% 12.7 pts above the national average of 34.1%
Fair or poor general health14.2% 6.1 pts below the national average of 20.3%
No health insurance (18–64)5.5% 5.8 pts below the national average of 11.3%
Depression14.5% 7.4 pts below the national average of 21.9%
No leisure-time physical activity20% 5.4 pts below the national average of 25.4%
Arthritis40% 14.9 pts above the national average of 25.1%
Binge drinking9.7% 6.3 pts below the national average of 16%
Taking blood pressure medication87.4% 12.7 pts above the national average of 74.7%
Cancer (non-skin)19.4% 11.7 pts above the national average of 7.7%
Current asthma8.4% 2 pts below the national average of 10.4%
Coronary heart disease10.7% 4.5 pts above the national average of 6.2%
Routine check-up in past year88.1% 11.4 pts above the national average of 76.7%
Cholesterol screening95.5% 9.6 pts above the national average of 85.9%
Cognitive disability7.8% 7 pts below the national average of 14.8%
Colorectal screening79.7% 15.4 pts above the national average of 64.3%
COPD7.8% 1.2 pts above the national average of 6.6%
Visited a dentist73.7% 12.4 pts above the national average of 61.3%
Any disability29.3% 1.4 pts below the national average of 30.7%
Hearing disability11% 4.3 pts above the national average of 6.7%
High cholesterol49.2% 13 pts above the national average of 36.2%
Independent living disability5.8% 2.6 pts below the national average of 8.4%
Mammography use82.3% 6.4 pts above the national average of 75.9%
Poor mental health (14+ days)9.6% 7.2 pts below the national average of 16.8%
Mobility disability15.1% 1.1 pts above the national average of 14%
Poor physical health (14+ days)12.7% 0.8 pts below the national average of 13.5%
Self-care disability3% 1 pts below the national average of 4%
Sleeps under 7 hours26.2% 10.2 pts below the national average of 36.4%
Stroke4.6% 1.2 pts above the national average of 3.4%
All natural teeth lost6.3% 6.7 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments372
People employed3,170
Annual payroll$128,664,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 89.5% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss85.9 out of 100
Community resilience5.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane98.6Very High at its worst in this ZIP code
Coastal flooding97.9Very High at its worst in this ZIP code
Wildfire89Relatively Moderate at its worst in this ZIP code
Lightning78.6Relatively High at its worst in this ZIP code
Landslide43.1Very Low at its worst in this ZIP code
Tornado33.2Relatively Low at its worst in this ZIP code
River flooding31.8Relatively Low at its worst in this ZIP code
Strong wind18.2Relatively Low at its worst in this ZIP code
Cold wave17.8Very Low at its worst in this ZIP code
Heat wave15.5Relatively Low at its worst in this ZIP code
Hail4.5Very Low at its worst in this ZIP code
Earthquake2.8Very Low at its worst in this ZIP code
Compared with Florida and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPFloridaUnited States
Median household income$122,730$71,711$78,538
Income per person$119,917$41,055$43,289
Poverty rate7.7%12.6%12.4%
Median home value$912,200$325,000$303,400
Median gross rent$1,564$1,348
Homeownership91.6%67.3%65%
Bachelor's degree or higher61.6%33.2%35%
Unemployment rate6%4.8%5.2%
Works from home29.9%13.9%13.5%
Born outside the US5.1%21.4%13.9%
Median age68.242.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationFT MYERS PAGE FLD AP, FL US26.9 km away
Rain in a year57 in

Average high and low by month

January75°F / 54.3°F2.43 in rain
February78°F / 56.6°F1.78 in rain
March81.1°F / 59.6°F2.07 in rain
April85.3°F / 64.3°F2.44 in rain
May89.5°F / 69.1°F3.46 in rain
June91°F / 73.6°F9.66 in rain
July91.6°F / 74.7°F9.38 in rain
August91.7°F / 75.1°F10.43 in rain
September90°F / 74.3°F9 in rain
October86.6°F / 69.4°F3.08 in rain
November81.3°F / 61.8°F1.78 in rain
December77.3°F / 57.3°F1.9 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Lee County School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability12more vulnerable than 12% of US census tracts
Socioeconomic status20more vulnerable than 20% of US census tracts
Household characteristics13more vulnerable than 13% of US census tracts
Racial and ethnic minority status5more vulnerable than 5% of US census tracts
Housing type and transport29more vulnerable than 29% of US census tracts
Walkability6.5 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

33956 Saint James City, FL8.6 km away
33924 Captiva, FL12.1 km away
33914 Cape Coral, FL13.3 km away
33931 Fort Myers Beach, FL13.6 km away
33908 Fort Myers, FL16.8 km away
33906 Fort Myers, FL17.8 km away
33910 Cape Coral, FL17.8 km away
33932 Fort Myers Beach, FL17.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lee County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area16.22 sq mi
Water area18.95 sq mi
Population density395 people per sq mi
Latitude, longitude26.4514, -82.0868

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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