Typically, one would expect more than that.
However, abrasive road surfaces, skidding and/or a heavy rider can certainly reduce tire life.
I've got about 2200 miles on my 25mm (labeled 26mm) Panaracer Stradius Sports.
I only ride rather smooth pavement, but weigh about 250.
I expect to replace the rear in another 5-700 miles.
It'll probably still have several hundred miles of "life" left, but I expect the punctures to start occurring on a frequent basis about then.
I have 3 spares waiting in the wings, so I'm not going to push the issue.