Clay County Post Offices

1880 Eastwest Pkwy
Fleming Island, Florida 32003

500 Palmer St
Green Cove Springs, Florida 32043

110 NE Commercial Cir
Keystone Heights, Florida 32656

7921 State Road 100
Lake Geneva, Florida 32160

2073 Palmetto St
Middleburg, Florida 32068

1335 Kingsley Ave
Orange Park, Florida 32073

4380 Lewis Ave
Penney Farms, Florida 32079

225 College Dr
Orange Park, Florida 32065

Clay County

There are 8 US Post Offices in Clay County serving a total of 188,710 residents equating to 23,589 residents per post office. It's estimated that approximately 301,202 packages are handled across the 8 county post offices annually. Clay County is a county located in the U.S. state of Florida. As of the 2010 census, the population was 190,895. Its county seat is Green Cove Springs, Florida. Clay County is included in the Jacksonville, FL Metropolitan Statistical Area."