From a total population of 12,637, Somerville has a median age of 36.5. The average age of males, in Somerville, is 35.4 while the average age of females is 39.8. When you compare this to median age of New Jersey, Somerville is 2.8 years younger.
The median income of individuals, in Somerville, is $33,169 while the average household income is $72,527. When comparing the median income of people living in Somerville to the rest of New Jersey, the average income in Somerville is $3,190 less.