From a total population of 198,808, Rochester has a median age of 39.7. The average age of males, in Rochester, is 37.9 while the average age of females is 41.1. When you compare this to median age of Illinois, Rochester is 2.7 years older.
The median income of individuals, in Rochester, is $30,594 while the average household income is $55,565. When comparing the median income of people living in Rochester to the rest of Illinois, the average income in Rochester is $575 more.