Rentals in Clay County, Florida, United States. Clay County is located in the northeastern part of the U.S. state of Florida. As of 2019, the population was 219,252. Its county seat is Green Cove Springs. It is included in the Jacksonville, FL Metropolitan Statistical Area. Things to do in Clay County Florida are Green Cove Springs, Military Museum of North Florida, Clay County Fairgrounds, Camp Chowenwaw Park, The Treasure Box, Amazing Grace Family Farms, Jaxma Orchid Greenhouses, and Bayard Conservation Area.

VISIT OFFICIAL COUNTY SITE https://www.claycountygov.com