The Harry Potter average word count is about 153,000 words. Is that a lot or a little? When a book fascinates and engages you in its world, any number of words is not enough. Because when you like a book, you don’t want it to end. But still, let’s try to compare Harry Potter’s average word count with our other favorite books. For example, “The Wonderful Wizard of Oz” by L. Frank Baum contains 42,636 words. At the same time, “Don Quixote” by Miguel de Cervantes Saavedra has 430,269 words.