Shirleysburg is a borough located in Huntingdon County, Pennsylvania. Shirleysburg has a 2026 population of 134. Shirleysburg is currently declining at a rate of -0.74% annually and its population has decreased by -2.9% since the most recent census, which recorded a population of 138 in 2020.
The median household income in Shirleysburg is $56,250 with a poverty rate of 3.96%. The median age in Shirleysburg is 56.3 years: 53.9 years for males, and 56.3 years for females. For every 100 females there are 140.5 males.