Zip Code 33957 — Sanibel, FL

ZIP Code 33957 is associated with Sanibel, FL, in Lee County. The listed population estimate is 6,418; estimated density is 152.7 people per square mile. Among records with population estimates, it ranks #29 of 34 in Lee County and #770 of 993 in FL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (26.453400, -82.102280)

Data MetricLocal Statistic
Postal / Zip Code33957
Primary CitySanibel
State / ProvinceFL
CountyLee
Total Population6,418
Population Density152.7 people/sq mi
TimezoneAmerica/New_York

How 33957 Compares

MetricZIP 33957Lee County recordsFL records
Population estimate6,418789,142 (sum)22,412,596 (sum)
Population Density152.7 /sq mi----
County population rank#29 of 34----
State population rank#770 of 993----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in FL

ZIP CodeCityDistancePopulation estimate
ZIP 33956Saint James City6.4 mi3,405
ZIP 33924Captiva8.7 mi109
ZIP 33914Cape Coral9.6 mi45,540
ZIP 33908Fort Myers11.9 mi37,423
ZIP 33931Fort Myers Beach11.9 mi8,350

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →