
Meridian
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 2.813
- State:
- Pennsylvania
Meridian is a CDP located in Butler County, Pennsylvania. Meridian has a 2025 population of 3,986. Meridian is currently growing at a rate of 0.18% annually but its population has decreased by -0.92% since the most recent census, which recorded a population of 4,023 in 2020.
The average household income in Meridian is $107,188 with a poverty rate of 3.22%. The median age in Meridian is 49.7 years: 50 years for males, and 49.4 years for females.