Alturas is an unincorporated community and census-designated place in Polk County, central Florida, United States. Its population was 4,084 as of the 2020 census. Alturas has a post office with ZIP code 33820.

The main road that runs through Alturas is Polk County Road 665A. Florida State Road 60 runs just north of the community.

Demographics

Historical population

Census	Pop.	Note	%±
2020	4,084		—
U.S. Decennial Census