Douglas,
This is my command line: label_area lh fsaverage lh.temporalpole
Output: bash-3.2$ label_area lh fsaverage lh.temporalpole reading /Volumes/project/fsaverage/surf/lh.smoothwm... adjusting for group surface area 1.31 (82220 / 62822) fsaverage: lh.temporalpole - 512.352 square mm
Thanks, Jaiashre.