West Leechburg is a borough located in Armstrong County, Pennsylvania. West Leechburg has a 2026 population of 1,244. West Leechburg is currently declining at a rate of -0.24% annually and its population has decreased by -1.89% since the most recent census, which recorded a population of 1,268 in 2020.
The median household income in West Leechburg is $77,115 with a poverty rate of 4.12%. The median age in West Leechburg is 44.3 years: 43.7 years for males, and 45.3 years for females. For every 100 females there are 102.0 males.