There are 117 Post Offices in Miami-Dade County, Florida, serving a population of 2,702,602 people in an area of 1,899 square miles. There is 1 Post Office per 23,099 people, and 1 Post Office per 16 square miles.
In Florida, Miami-Dade County is ranked 62nd of 67 counties in Post Offices per capita, and 6th of 67 counties in Post Offices per square mile.