Keystone Heights is a city located in southwestern Clay County, Florida, United States. The population of the city was 1,446 at the 2020 census. The city's name is derived from the state of Pennsylvania's …
Keystone Heights is a city located in southwestern Clay County, Florida, United States. The population of the city was 1,446 at the 2020 census. The city's name is derived from the state of Pennsylvania's nickname, the "Keystone State".
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