From a total population of 75,382, Lewis County has a median age of 42.6. The average age of males, in Lewis County, is 42 while the average age of females is 43.4. When you compare this to median age of Washington, Lewis County is 5.2 years older.
The median income of individuals, in Lewis County, is $22,094 while the average household income is $42,917. When comparing the median income of people living in Lewis County to the rest of Washington, the average income in Lewis County is $9,139 less.