Sprinkle salmon with kosher salt and pepper; place on a foil-lined baking sheet. Bake at 400° for 15 minutes or until desired degree of doneness. Flake fish into 1/2-inch pieces; set aside.
Melt butter in a large Dutch oven over medium heat. Add onion and celery, and sauté 5 minutes or until tender. Add flour; stir until mixture is smooth. Cook, stirring constantly, 1 minute. Gradually whisk in chicken broth. Cook over medium heat, stirring constantly, until thickened and bubbly. Stir in 1/2 teaspoon salt.
Add potato, reduce heat, and simmer 20 minutes or until potato is tender. Stir in corn and half-and-half. Cook 6 minutes or until heated. Add cooked salmon, stirring gently to combine. Spoon into individual bowls; top with crumbled bacon.