Log into your blog and click on 'posts' on the left hand menu. This will give you a list of all the posts you've written.
On the right hand side it gives you two numbers next to each post - the first is the number of comments, and the second is the number of views. This helps you see at a glance how many people have viewed each post.
You can also get more detailed statistics by clicking on 'stats' on the left hand menu. Here you can see where your visitors come from and how they've found your site.
One important thing to do is to stop tracking your own page views. Otherwise you'll get excited by the number of visitors and then realise that half of them were you!
On the stats overview page, half way down the left hand side, you should see a link that says 'don't track your own pageviews'. Clicking on this will block your own page views from being counted. Clever huh?!