Butler County, Pennsylvania ZIP Codes
- ZIP records
31 - Cities represented
30 - Sum of listed ZIP population estimates
203,113
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 16001 | Butler | 39,234 |
| 2 | 16066 | Cranberry Township | 33,873 |
| 3 | 16046 | Mars | 19,757 |
| 4 | 16057 | Slippery Rock | 15,718 |
| 5 | 16002 | Butler | 15,587 |
| 6 | 16059 | Valencia | 10,062 |
| 7 | 16055 | Sarver | 8,993 |
| 8 | 16063 | Zelienople | 8,256 |
| 9 | 16033 | Evans City | 8,185 |
| 10 | 16037 | Harmony | 5,291 |
Cities in Butler County
- Boyers
- Bruin
- Butler
- Cabot
- Callery
- Chicora
- Connoquenessing
- Cranberry Township
- East Butler
- Eau Claire
- Evans City
- Fenelton
- Forestville
- Harmony
- Harrisville
- Hilliards
- Karns City
- Lyndora
- Mars
- North Washington
- Petrolia
- Portersville
- Prospect
- Renfrew
- Sarver
- Saxonburg
- Slippery Rock
- Valencia
- West Sunbury
- Zelienople
ZIP Directory
- ZIP 16001
- ZIP 16002
- ZIP 16020
- ZIP 16022
- ZIP 16023
- ZIP 16024
- ZIP 16025
- ZIP 16027
- ZIP 16029
- ZIP 16030
- ZIP 16033
- ZIP 16034
- ZIP 16035
- ZIP 16037
- ZIP 16038
- ZIP 16040
- ZIP 16041
- ZIP 16045
- ZIP 16046
- ZIP 16048
- ZIP 16050
- ZIP 16051
- ZIP 16052
- ZIP 16053
- ZIP 16055
- ZIP 16056
- ZIP 16057
- ZIP 16059
- ZIP 16061
- ZIP 16063
- ZIP 16066
Browse all ZIP data for Pennsylvania
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.