| | Mars borough | 4247672 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Marsborough+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 |
| | Harrisville borough | 4232896 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Harrisvilleborough+PA |
| | Harmony borough | 4232688 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Harmonyborough+PA |
| | Fairview borough | 4224832 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Fairviewborough+PA |
| | Evans City borough | 4224248 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=EvansCityborough+PA |
| | Eau Claire borough | 4222128 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=EauClaireborough+PA |
| | East Butler borough | 4220904 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=EastButlerborough+PA |
| | Connoquenessing borough | 4215808 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Connoquenessingborough+PA |
| | Chicora borough | 4213440 | Butler County 42019 | PA | Pittsburgh, PA 38300 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | | https://maps.google.com/?q=Chicoraborough+PA |