Your SAT is great, and your UW GPA is also good when paired with a rigorous courseload. Your extracurriculars show that you have a range of interests and you have leadership, but I would be sure to find something about what you do that is truly unique, since things like academic clubs and student associations are commonplace.
From a purely statistical standpoint, Columbia is a reach no matter who you are, which I’m sure you’ve heard before. However, you’re definitely in the running and I think you have a good chance relative to the entire pool of applicants.