Lawrence County, Pennsylvania ZIP codes
19 ZIP codes are in Lawrence County, plus 7 that cross in from neighboring counties. It's part of the Pittsburgh, PA metro area.
- ZIP codes
- 19
- Population in these ZIPs
- 86,184
- Avg. median income
- $61,900population-weighted
- Cities & towns
- 14
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Lawrence County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 16101 | New Castle | 30,767 | $51,128 | $125,800 |
| 16102 | New Castle | 4,929 | $56,053 | $125,500 |
| 16103 PO Box | New Castle | — | — | — |
| 16105 | New Castle | 15,418 | $65,855 | $217,800 |
| 16107 PO Box | New Castle | — | — | — |
| 16108 PO Box | New Castle | — | — | — |
| 16112 | Bessemer | 1,322 | $74,821 | $138,600 |
| 16116 | Edinburg | 2,727 | $69,559 | $192,300 |
| 16117 | Ellwood City | 15,786 | $73,045 | $159,900 |
| 16120 | Enon Valley | 2,221 | $65,750 | $231,600 |
| 16132 | Hillsville | 327 | $57,650 | $119,000 |
| 16140 | New Bedford | 293 | — | — |
| 16141 | New Galilee | 2,033 | $73,910 | $182,500 |
| 16143 | Pulaski | 2,100 | $85,375 | $215,700 |
| 16155 | Villa Maria | 98 | — | — |
| 16156 | Volant | 3,431 | $69,054 | $255,700 |
| 16157 | Wampum | 2,840 | $60,345 | $173,200 |
| 16160 | West Pittsburg | 909 | $44,510 | $131,600 |
| 16172 | New Wilmington | 983 | — | — |
ZIP codes partly in Lawrence County
These ZIP codes are mostly in a neighboring county but cover part of Lawrence County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 16037 | Harmony | Butler County | 5,291 | $93,077 | $391,100 |
| 16051 | Portersville | Butler County | 3,119 | $88,958 | $283,200 |
| 16057 | Slippery Rock | Butler County | 15,718 | $58,288 | $257,800 |
| 16123 | Fombell | Beaver County | 2,335 | $102,500 | $280,200 |
| 16127 | Grove City | Mercer County | 15,117 | $72,429 | $223,200 |
| 16142 | New Wilmington | Mercer County | 5,522 | $84,205 | $275,400 |
| 16159 | West Middlesex | Mercer County | 4,455 | $69,391 | $189,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Lawrence County
Nearby counties
Frequently asked questions
How many ZIP codes are in Lawrence County, Pennsylvania?
19 ZIP codes are mainly in Lawrence County, and 7 more ZIP codes from neighboring areas reach partly into it.
What cities are in Lawrence County?
ZIP codes in Lawrence County use the city names Bessemer, Edinburg, Ellwood City, Enon Valley, Hillsville, New Bedford, New Castle, New Galilee, New Wilmington, Pulaski, Villa Maria and Volant and others.
What metro area is Lawrence County in?
Lawrence County is part of the Pittsburgh, PA metropolitan statistical area.