Kissimmee is a city in Osceola County, Florida, United States. As of 2009, the population recorded by the U.S. Census Bureau is 62,632. It is the county seat of Osceola County. Kissimmee is a Principal City of the Orlando-Kissimmee-Sanford, Florida, Metropolitan Statistical Area, which the census bureau estimated had a 2009 population of 2,082,421.

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