He sunshine state many many people over 20 million. florida has exactly 20,612,439 people there right now. just imagine having to live with 20,612,439 people. florida joined the union as the 27th state in 1845 and the first person who discovered florida was a woman named juan ponce de leon. the treaty of adams-onis (1819 transcontinental treaty, both treaties to acquire the land. florida’s largest city is orlando. the width of florida is exactly 65,755 square miles. the capital of florida is tallahassee, florida. now let’s learn about some of the features shall we? .