Add 1 cup water and quinoa to a medium pot and bring to a rolling boil over medium-high heat.
Reduce heat to a simmer, cover and cook until most moisture is absorbed, about 12-15 minutes.
Turn off heat and leave covered quinoa on burner for 5 minutes.
Add to cooked quinoa, black beans, salsa, corn, and chili powder.
Add salt and pepper to taste.
Toss to combine then add diced avocado and gently toss.
Add salad to a serving dish and serve. Salad can also be enjoyed cold.