New Lebanon is a borough located in Mercer County, Pennsylvania. New Lebanon has a 2026 population of 188. New Lebanon is currently growing at a rate of 1.62% annually and its population has increased by 1.62% since the most recent census, which recorded a population of 185 in 2020.
The median household income in New Lebanon is $51,250 with a poverty rate of 30.15%. The median age in New Lebanon is 40.9 years: 42.3 years for males, and 39.7 years for females. For every 100 females there are 95.1 males.