About 200 thousand people.

Colon sits at the Caribbean end of the Panama Canal and is a very important port city. Ships from all over the world come here to load and unload goods.
You can visit the huge Colon Free Zone full of shops, see the Gatun Locks where ships climb the canal, and enjoy the warm Caribbean beaches nearby.
Colon has one of the biggest free trade zones in the world, where goods are bought and sold. The Gatun Locks nearby lift ships up to a giant lake.
The Caribbean Sea near Colon has clear blue water, old Spanish forts like Portobelo, and beaches where you can swim and look for seashells.