Zero, ziltch, none, unpopulated, empty, vacant, uninhabited
The Temple of Mars in Rome was built in the early 1st century BC, around 42 BC under the rule of Octavian (later Emperor Augustus). It was dedicated to Mars Ultor, the Roman god of war, in commemoration of the Battle of Philippi in 42 BC.
It is not possible to determine the population density of the US on Mars as there is currently no US population living on Mars. Additionally, Mars does not have a large enough population to calculate a meaningful population density.
The population of BC Hydro is 2,011.
BC Ferries's population is 2,005.
The population of De Mars is 270.
The population of Mars Group is 10,000.
The population of Mars Canada is 2,005.
The population of Les Mars is 207.
4.5 billion BC
Mars-sur-Allier's population is 258.
Saint-Mars-d'Outillé's population is 2,175.
Mars-sous-Bourcq's population is 49.