Sanibel, Florida

Sanibel population, 2020 to 2024

Sanibel lost 31 residents from July 2020 to July 2024, a change of -0.5%. In the latest year it moved by -52. Among 229 Florida places of 5,000 or more, that growth ranks 214th; the median place changed by +4.8%. The median place of 5,000+ in Florida has 21,954 people, so Sanibel is 29% of it.

Sanibel covers 16.18 square miles of land and 17.02 of water, for 393 people per square mile of land. The median Florida place of 5,000+ has 2,498, so Sanibel is less dense than the typical town.

What county Sanibel is in

All of Sanibel's residents live in Lee County, which had 860,959 residents in 2024. Sanibel holds 0.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sanibel

1 ZIP Code Tabulation Area (ZCTA) overlaps Sanibel by at least 10% of the ZCTA's or the city's land: 33957. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Sanibel is

The Census internal point of Sanibel is at 26.451000, -82.105700. Tallahassee, the capital, is 305.5 miles NNW in a straight line. The nearest larger place is Cape Coral, FL (233,025 people), 14.9 miles away.

Daylight in Sanibel

At 26.45° N, Sanibel gets about 13 h 48 min of daylight around the June solstice and 10 h 29 min around the December solstice, a swing of 3 h 19 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sanibel

The eight nearest incorporated places of 1,000+ in Florida, measured between internal points. The closest is Fort Myers Beach, 11.9 miles away, with 5,308 people.