Clymer is a borough located in Indiana County, Pennsylvania. Clymer has a 2026 population of 1,317. Clymer is currently declining at a rate of 0% annually and its population has decreased by -0.23% since the most recent census, which recorded a population of 1,320 in 2020.
The median household income in Clymer is $44,044 with a poverty rate of 18.26%. The median age in Clymer is 38.3 years: 41.5 years for males, and 35.6 years for females. For every 100 females there are 74.7 males.