There are an estimated 340 people named Poseidon alive worldwide today. That ranks Poseidon at #20439 globally, with the highest concentrations in United States.
In the United States, Poseidon is held by approximately 340 people, ranking #20439 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 976,176 U.S. residents).
Historically Poseidon is used overwhelmingly as a male name (100.0% male).
Poseidon appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.