Heat oven to 350℉/177℃.
Line 2 muffin pans with cupcake liners, or spray with baking spray.
In a large bowl, whisk flour, sugar, cocoa powder, baking powder, and salt together. Set aside.
In a medium bowl, whisk pumpkin, eggs, milk, oil, and vanilla together.
Pour wet ingredients over dry ingredients.
Mix well, but don't over beat.
Use a 3 Tablespoon scoop to portion batter into prepared pans.
Bake for 18-20 minutes, or until cupcakes test done.