100 Largest ZIP Codes in the United States by Population in Butler County, Pennsylvania
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Butler County, Pennsylvania.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 16001 | BUTLER | PA | 39,808 |
| 2 | 16066 | CRANBERRY TOWNSHIP | PA | 33,071 |
| 3 | 16046 | MARS | PA | 18,772 |
| 4 | 16002 | BUTLER | PA | 15,944 |
| 5 | 16057 | SLIPPERY ROCK | PA | 15,067 |
| 6 | 16059 | VALENCIA | PA | 9,394 |
| 7 | 16055 | SARVER | PA | 8,548 |
| 8 | 16063 | ZELIENOPLE | PA | 8,128 |
| 9 | 16033 | EVANS CITY | PA | 7,376 |
| 10 | 16025 | CHICORA | PA | 4,858 |
| 11 | 16037 | HARMONY | PA | 4,709 |
| 12 | 16056 | SAXONBURG | PA | 4,620 |
| 13 | 16023 | CABOT | PA | 4,387 |
| 14 | 16053 | RENFREW | PA | 3,478 |
| 15 | 16038 | HARRISVILLE | PA | 3,214 |
| 16 | 16051 | PORTERSVILLE | PA | 3,035 |
| 17 | 16061 | WEST SUNBURY | PA | 2,705 |
| 18 | 16052 | PROSPECT | PA | 2,321 |
| 19 | 16041 | KARNS CITY | PA | 2,105 |
| 20 | 16034 | FENELTON | PA | 1,831 |
| 21 | 16020 | BOYERS | PA | 1,190 |
| 22 | 16040 | HILLIARDS | PA | 1,066 |
| 23 | 16045 | LYNDORA | PA | 999 |
| 24 | 16050 | PETROLIA | PA | 931 |
| 25 | 16029 | EAST BUTLER | PA | 906 |
| 26 | 16027 | CONNOQUENESSING | PA | 392 |
| 27 | 16030 | EAU CLAIRE | PA | 327 |
| 28 | 16024 | CALLERY | PA | 291 |
| 29 | 16022 | BRUIN | PA | 279 |
| 30 | 16048 | NORTH WASHINGTON | PA | 221 |
| 31 | 16035 | FORESTVILLE | PA | 141 |