About 225,000 people.

Huntsville is the largest city in Alabama and is famous as a center for space and rocket science. Many of the rockets that helped people reach the Moon were designed here, which is why it is nicknamed 'Rocket City.'
You can see real rockets and try astronaut training at the U.S. Space and Rocket Center, explore hands-on exhibits, and walk through the pretty Big Spring Park downtown.
Huntsville is home to the U.S. Space and Rocket Center, where you can stand next to giant rockets and learn how astronauts train for missions.
Downtown Big Spring Park has a lovely lagoon with ducks and koi fish, plus fountains and shady paths that are perfect for a family stroll.