Travelers are voting Woodland Park Zoo as the best zoo in Seattle. There are 5 zoos in Mount Vernon a city just 43 km from Seattle and 2 zoos in Portland which is 141 km distant. The most popular of these are Bronx Zoo in Mount Vernon and Washington Park in Portland. You can find 4 zoos in Washington and 99 zoos in the country of United States. Our members favorite in Washington is Point Defiance Zoo & Aquarium and Jacksonville Zoo & Gardens is the top pick in United States. Want more? Check out our map of zoos in Seattle.