From a total population of 27,164, Lewis County has a median age of 41.1. The average age of males, in Lewis County, is 40.2 while the average age of females is 42. When you compare this to median age of New York, Lewis County is 3.0 years older.
The median income of individuals, in Lewis County, is $23,723 while the average household income is $46,990. When comparing the median income of people living in Lewis County to the rest of New York, the average income in Lewis County is $9,106 less.