| | Harmony borough | 4232688 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Harmonyborough+PA |
| | Harrisville borough | 4232896 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Harrisvilleborough+PA |
| | Karns City borough | 4238768 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=KarnsCityborough+PA |
| | Mars borough | 4247672 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Marsborough+PA |
| | Petrolia borough | 4259672 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Petroliaborough+PA |
| | Portersville borough | 4262224 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Portersvilleborough+PA |
| | Prospect borough | 4262752 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Prospectborough+PA |
| | Saxonburg borough | 4268056 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Saxonburgborough+PA |
| | Seven Fields borough | 4269309 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=SevenFieldsborough+PA |
| | Slippery Rock borough | 4271184 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=SlipperyRockborough+PA |