Bruttius Balbus, a candidate for duovir[?] of Pompeii, mentioned in political graffiti (from Walls of Pompeii (http://www.cis.vt.edu/fac/thb/1124/wallsofpompeii))
... density is 1,058.4/km² (2,740.4/mi²). There are 5,574 housing units at an average density of 365.4/km² (946.1/mi²). The racial makeup of the town is ...