As of 2010, Cape Coral was the eleventh largest city in Florida by population. More than 60 percent of the population is between the ages of 15-64 and residents under 25 outnumber residents over 65. Southwest Florida's 18-24 age group is growing at a faster rate than the state of Florida. 

The area averages 355 days of sunshine each year, but experiences precipitation on 145 days per year. While the summers are very warm, humid and rainy, the winters in Cape Coral are dry with moderate temperatures. Cape Coral receives about 54 inches of rain each year, the majority of which falls from May to September. During the summer months, afternoon rains are heavy yet brief. The city is affected by the annual hurricane season, which begins officially on June 1 and continues through November .