
Mount Joy township
- County:
- Lancaster County
- County Seat:
- No
- Area (mi²):
- 26.003
- State:
- Pennsylvania
Mount Joy township is located in Lancaster County, Pennsylvania. Mount Joy township has a 2025 population of 3,893. Mount Joy township is currently growing at a rate of 0.7% annually and its population has increased by 2.96% since the most recent census, which recorded a population of 3,781 in 2020.
The average household income in Mount Joy township is $121,080 with a poverty rate of 8.49%. The median age in Mount Joy township is 45.6 years: 41.7 years for males, and 48.4 years for females.