County ZIP codes · Pennsylvania · FIPS 42111
Somerset County, PA ZIP Codes
Somerset County, Pennsylvania has 43 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 38 residential and 5 for PO boxes or a single organization. 35 of the residential ones lie mainly in Somerset County and 3 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $56,190 in 15424 (Confluence) to $69,212 in 15905 (Johnstown) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Somerset 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 $59,245 and $62,992.
They carry 37 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 38 residential ZIP codes in Somerset County
35 ZIP codes lie mainly in Somerset County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 15501 | Somerset | 16,240 | 123 | $59k | $171k | 95% |
| 15963 | Windber | 10,132 | 112 | $62k | $136k | 74% |
| 15552 | Meyersdale | 5,685 | 56 | $66k | $143k | 100% |
| 15530 | Berlin | 5,299 | 61 | $59k | $153k | 100% |
| 15531 | Boswell | 3,603 | 59 | $61k | $138k | 87% |
| 15557 | Rockwood | 3,323 | 37 | $61k | $136k | 99% |
| 15541 | Friedens | 3,112 | 83 | $63k | $179k | 100% |
| 15563 | Stoystown | 2,824 | 51 | $62k | $140k | 100% |
| 15926 | Central City | 2,602 | 82 | $62k | $106k | 100% |
| 15935 | Hollsopple | 2,514 | 110 | $62k | $100k | 100% |
| 15928 | Davidsville | 2,171 | 345 | $87k | $228k | 100% |
| 15510 | Somerset | 2,118 | 12,103 | – | – | 100% |
| 15424 | Confluence | 2,011 | 28 | $56k | $152k | 75% |
| 15558 | Salisbury | 1,960 | 59 | $64k | $142k | 100% |
| 15936 | Hooversville | 1,463 | 57 | $58k | $116k | 100% |
| 15542 | Garrett | 1,088 | 30 | $58k | $106k | 100% |
| 15538 | Fairhope | 867 | 13 | $76k | $175k | 100% |
| 15547 | Jennerstown | 862 | 1,260 | $65k | $196k | 100% |
| 15924 | Cairnbrook | 740 | 28 | $52k | $70k | 100% |
| 15411 | Addison | 695 | 37 | $68k | $207k | 100% |
| 15551 | Markleton | 609 | 25 | $68k | $161k | 100% |
| 15937 | Jerome | 543 | 227 | $84k | $188k | 100% |
| 15546 | Jenners | 437 | 528 | – | $68k | 100% |
| 15540 | Fort Hill | 418 | 10 | $71k | $207k | 100% |
| 15562 | Springs | 344 | 101 | $85k | $167k | 100% |
| 15520 | Acosta | 301 | 456 | – | $112k | 100% |
| 15544 | Gray | 274 | 529 | $90k | $111k | 100% |
| 15561 | Sipesville | 179 | 520 | $93k | $111k | 100% |
| 15560 | Shanksville | 142 | 845 | $65k | $121k | 100% |
| 15502 | Hidden Valley | 113 | 26 | $81k | $528k | 100% |
| 15532 | Boynton | 107 | 153 | – | $86k | 100% |
| 15953 | Seanor | 96 | 92 | $37k | $95k | 100% |
| 15564 | Wellersburg | 86 | 158 | $56k | $158k | 100% |
| 15555 | Quecreek | 69 | 178 | $76k | $95k | 100% |
| 15565 | West Salisbury | 25 | 30 | $99k | $225k | 100% |
Partly in Somerset County
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?
8 ZIP codes of Somerset County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Somerset | Elsewhere |
|---|---|---|
| 15905 | 41% | Cambria County 59% |
| 15501 | 95% | Westmoreland County 5% |
| 15963 | 74% | Cambria County 26% |
| 15531 | 87% | Westmoreland County 13% |
| 15557 | 99% | |
| 15545 | 42% | Bedford County 58% |
| 15424 | 75% | Fayette County 25% |
| 15622 | 35% | Fayette County 37%; Westmoreland County 28% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 15485 | Ursina |
| 15548 | Kantner |
| 15549 | Listie |
| 15553 | New Baltimore |
| 15959 | Tire Hill |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Somerset County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Somerset County's ZIP codes use 4 prefixes: 154, 155, 156 and 159.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 154 | Pittsburgh, PA (SCF 150) | 3 | 73 |
| 155 | Johnstown, PA (SCF 159) | 29 | 40 |
| 156 | Pittsburgh, PA (SCF 150) | 1 | 77 |
| 159 | Johnstown, PA (SCF 159) | 10 | 46 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.