Bonita Springs is a city in Lee County, Florida, United States. The population was 32,797 at the 2000 census. According to the U.S Census estimates of 2005, the city had a population of 37,992. According to the United States Census Bureau, the city has a total area of 106.2 km² (41.0 mi²). 91.4 km² (35.3 mi²) of it is land and 14.8 km² (5.7 mi²) of it (13.95%) is water.

As of the census of 2000, there were 32,797 people, 14,807 households, and 10,276 families residing in the city. The population density was 358.8/km² (929.4/mi²). There were 23,329 housing units at an average density of 255.2/km² (661.1/mi²). The racial makeup of the city was 89.51% White, 0.36% African American, 0.26% Native American, 0.38% Asian, 0.09% Pacific Islander, 7.87% from other races, and 1.54% from two or more races. Hispanic or Latino of any race were 17.12% of the population.