Photo: Icebridge (NASA)Antarctica is roughly 5.4 million square miles (14 million square kilometers) in size, and that's with all of its ice. There is a land mass beneath, which looks like this. Twitter user Icebridge made this image to illustrate just how large our most unvisited continent actually is.
Conversely, "it is estimated that at any given time there are (only) 1,000 people 'living' in Antarctica, but this varies depending on the season." (from Answerbag.)