From a total population of 27,832, Plainfield has a median age of 37. The average age of males, in Plainfield, is 35.5 while the average age of females is 38.6. When you compare this to median age of Indiana, Plainfield is 0.2 years younger.
The median income of individuals, in Plainfield, is $25,448 while the average household income is $58,625. When comparing the median income of people living in Plainfield to the rest of Indiana, the average income in Plainfield is $495 more.