About 1,650,000 people.

Phoenix is the capital of Arizona and the biggest city in the whole state. It sits in a warm desert valley and is one of the sunniest cities in the whole country.
You can meet real desert animals at the Phoenix Zoo, wander among giant cactus at the Desert Botanical Garden, and hike up Camelback Mountain for a big view of the city.
Downtown Phoenix has tall buildings, science museums, and big sports arenas where fun games are played.
South Mountain Park is one of the largest city parks in the country, with trails, cactus, and lizards to spot.