Penn is a borough located in Westmoreland County, Pennsylvania. Penn has a 2026 population of 617. Penn is currently declining at a rate of -0.32% annually but its population has increased by 41.84% since the most recent census, which recorded a population of 435 in 2020.
The median household income in Penn is $74,706 with a poverty rate of 12.28%. The median age in Penn is 25.4 years: 25.8 years for males, and 21.8 years for females. For every 100 females there are 88.1 males.