From a total population of 17,044, Arcata has a median age of 25.2. The average age of males, in Arcata, is 27.3 while the average age of females is 23.7. When you compare this to median age of California, Arcata is 10.4 years younger.
The median income of individuals, in Arcata, is $18,681 while the average household income is $30,244. When comparing the median income of people living in Arcata to the rest of California, the average income in Arcata is $11,225 less.