This is now available in the UI (as noted by @Aidan above).
To find it, use the Advanced Search and scroll down to Demographics:
Once you've configured your search you can save it as a Smart Group in the usual way to make the search results available very quickly and easily.
Try the case summary report, which might not be visible by default. Go to Administer - CiviReport - Create New Report From Template. Then pick the Case Summary report. Then on the filters tab set your filters.