Refuge Matlacha Pass National Wildlife Refuge Pine Island National Wildlife Refuge Islands Big Hickory Island Captiva Island Cayo Costa (Cayo Costa State Park) Cabbage Key Estero Island (Town of Fort Myers Beach) Gasparilla Island (community of Boca Grande) Little Hickory Island (Beaches of Bonita Springs) Lovers Key / Carl E. Johnson State Park Matlacha Island Matlacha, Florida Mound Key Archaeological State Park North Captiva Island Pine Island San Carlos Island (Town of Fort Myers Beach) Sanibel Island (Town of Sanibel) Useppa Island Climate Lee County has a year-round warm, monsoon-influenced climate that is close to the boundary between tropical and subtropical climates ( in the coldest month), thus is either classified as a humid subtropical climate (Köppen Cfa), which is the classification used by NOAA, or a tropical savanna climate (Köppen Aw). Lee County has short, warm winters, and long, hot, humid summers, with most of the year's rainfall occurring from June to September. The temperature rarely rises to or lowers to the freezing mark. At 89, Lee County leads the nation in the number of days annually in which a thunderstorm is close enough for thunder to be heard. The monthly daily average temperature ranges from in January to in August, with the annual mean being . Records range from on December 29, 1894 up to on June 16–17, 1981. Demographics 2020 Census As of the 2020 United States census, there were 760,822 people, 288,916 households, and 187,877 families residing in the county. 4.6% of that population was under the age of 5 years old, 17.3% was under 18 years old, and 29.2% was 65 years or older. 51.0% was female. The median household income was $59,608 with a per capita income of $34,818. 10.5% of population below the poverty threshold. The median value of owner-occupied housing-units between 2016-2020 was $235,300 and the median gross rent was $1,225. 94.2% of the households had a computer and 87.2% of households had a broadband internet subscription. 89.3% of the population that was 25 years or older were High school graduates and 28.5% of those 25 years or older had a Bachelor's degree or higher. Languages As of 2010, 78.99% of residents spoke English as their first language, and 15.19% spoke Spanish, 1.28% French Creole (mostly Haitian Creole,) 0.88% German, 0.59% Portuguese, and 0.55% of the population spoke French as their main language. In total, 21.01% of the population spoke languages other