The provincial territory was highly urbanized, resulting in the third highest population density among the Italian provinces with more than 2,000 inhabitants/km2, just behind the provinces of Naples and the bordering Monza e Brianza, created in 2004 splitting the north-eastern part from the province of Milan itself.
Provincija labai urbanizuota ir turi trečią didžiausią gyv. tankumą po Neapolio provincijos ir Moncos ir Briancos provincijos, kuri atsirado 2004 m. atskyrus Milano provincijos rytinę dalį.