Hmm, interesting. Coming at from another direction, we were recently discussing the '8000 blocks' figure (based on 400mil citizens at 50,000 a block, a measly 50-or-so blocks to a Sector), and how at a mimimum of one judge per block, you ended up with say 10,000 street judges. I suggested suport staff (including pilots, teks, wardens, wallies, meds, admin, tutors, PSU, psis, various specialists) should be 10 times that number, giving us 100,000 by another route.
Neat, but even allowing that many 'specialists' are concentrated in Justice Central and the Academy, that means that 301's sector house has only only 40-odd street judges at any one time. Oddly, this seems close enough to the number of faces we see in The Pit, and in Sector House, but still seems pretty tight.
Incidentally, the same figures suggets 500 successful graduations from the Academy each year to keep the numbers up, assuming a 20 year average career.