County ZIP codes · Pennsylvania · FIPS 42073
Lawrence County, PA ZIP Codes
Lawrence County, Pennsylvania has 26 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 23 residential and 3 for PO boxes or a single organization. 16 of the residential ones lie mainly in Lawrence County and 7 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $51,128 in 16101 (New Castle) to $102,500 in 16123 (Fombell) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Lawrence County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $65,750 and $74,821.
They carry 20 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 23 residential ZIP codes in Lawrence County
16 ZIP codes lie mainly in Lawrence County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 16101 | New Castle | 30,767 | 444 | $51k | $111k | 100% |
| 16117 | Ellwood City | 15,786 | 434 | $73k | $154k | 66% |
| 16105 | New Castle | 15,418 | 603 | $66k | $184k | 100% |
| 16102 | New Castle | 4,929 | 202 | $56k | $105k | 100% |
| 16156 | Volant | 3,431 | 67 | $69k | $221k | 79% |
| 16157 | Wampum | 2,840 | 113 | $60k | $159k | 82% |
| 16116 | Edinburg | 2,727 | 107 | $70k | $131k | 100% |
| 16120 | Enon Valley | 2,221 | 66 | $66k | $165k | 90% |
| 16143 | Pulaski | 2,100 | 86 | $85k | $175k | 71% |
| 16141 | New Galilee | 2,033 | 95 | $74k | $173k | 70% |
| 16112 | Bessemer | 1,322 | 189 | $75k | $155k | 100% |
| 16172 | New Wilmington | 983 | 11,843 | – | – | 100% |
| 16160 | West Pittsburg | 909 | 774 | $45k | $107k | 100% |
| 16132 | Hillsville | 327 | 149 | $58k | – | 100% |
| 16140 | New Bedford | 293 | 703 | – | – | 100% |
| 16155 | Villa Maria | 98 | 145 | – | – | 100% |
Partly in Lawrence County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 16051 | Portersville | 3,119 | 78 | $89k | $216k | 41% |
| 16142 | New Wilmington | 5,522 | 126 | $84k | $226k | 38% |
| 16123 | Fombell | 2,335 | 107 | $103k | $251k | 18% |
| 16057 | Slippery Rock | 15,718 | 177 | $58k | $243k | 13% |
| 16159 | West Middlesex | 4,455 | 159 | $69k | $178k | 10% |
| 16037 | Harmony | 5,291 | 154 | $93k | $348k | 8% |
| 16127 | Grove City | 15,117 | 206 | $72k | $214k | 2% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
13 ZIP codes of Lawrence County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Lawrence | Elsewhere |
|---|---|---|
| 16117 | 66% | Beaver County 34% |
| 16057 | 13% | Butler County 86%; Mercer County 1% |
| 16127 | 2% | Mercer County 90%; Venango County 8% |
| 16142 | 38% | Mercer County 62% |
| 16037 | 8% | Butler County 86%; Beaver County 6% |
| 16159 | 10% | Mercer County 90% |
| 16156 | 79% | Mercer County 21% |
| 16051 | 41% | Butler County 60% |
| 16157 | 82% | Beaver County 18% |
| 16123 | 18% | Beaver County 82% |
| 16120 | 90% | Beaver County 11% |
| 16143 | 71% | Mercer County 29% |
| 16141 | 70% | Beaver County 30% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Lawrence County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Lawrence County's ZIP codes use 2 prefixes: 160 and 161.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.