Ona, Florida
Ona is an unincorporated community and census-designated place in Hardee [County, Florida|Hardee County], Florida, United States. Its population was 199 as of the 2020 [United States Census|2020 census]. Ona has a post office with ZIP code 33865, which opened on October 11, 1897. Florida [State Road 64|State Road 64] and a CSX Transportation line pass through the community.