From a total population of 5,154, Johnstown has a median age of 31.4. The average age of males, in Johnstown, is 31.2 while the average age of females is 32. When you compare this to median age of Ohio, Johnstown is 7.7 years younger.
The median income of individuals, in Johnstown, is $25,678 while the average household income is $60,615. When comparing the median income of people living in Johnstown to the rest of Ohio, the average income in Johnstown is $842 less.