| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Belle Vernon | Standard | $469,220 |
| Monessen | Standard | $368,380 |
| New Kensington | Standard | $464,410 |
| Sutersville | Standard | $172,480 |
| Trafford | Standard | $363,940 |
| West Newton | Standard | $297,010 |
| Smithton | Standard | $405,270 |
| Somerset | Standard | $464,500 |
| Greensburg | Standard | $482,860 |
| Acme | Standard | $407,070 |
| Adamsburg | Standard | $140,750 |
| Alverton | Standard | $119,100 |
| Apollo | Standard | $383,550 |
| Ardara | Standard | $132,400 |
| Avonmore | Standard | $490,150 |
| Bradenville | Standard | $132,180 |
| Champion | Standard | $840,620 |
| Claridge | Standard | $313,600 |
| Delmont | Standard | $350,010 |
| Derry | Standard | $469,840 |
| Donegal | Standard | $169,250 |
| Export | Standard | $548,580 |
| Grapeville | Standard | $140,200 |
| Harrison City | Standard | $361,150 |
| Herminie | Standard | $166,950 |
| Hunker | Standard | $163,710 |
| Hyde Park | Standard | $125,850 |
| Irwin | Standard | $439,520 |
| Jeannette | Standard | $403,370 |
| Jones Mills | Standard | $71,590 |
| Larimer | Standard | $103,370 |
| Latrobe | Standard | $588,990 |
| Laughlintown | Standard | $247,800 |
| Leechburg | Standard | $296,420 |
| Ligonier | Standard | $774,920 |
| Lowber | PO Box | $90,730 |
| Loyalhanna | Standard | $105,600 |
| Manor | Standard | $156,270 |
| Mount Pleasant | Standard | $409,800 |
| Murrysville | Standard | $525,140 |
| New Alexandria | Standard | $478,660 |
| New Derry | Standard | $131,260 |
| New Stanton | Standard | $349,780 |
| Penn | Standard | $139,380 |
| Rector | Standard | $474,350 |
| Rillton | Standard | $171,380 |
| Ruffs Dale | Standard | $458,140 |
| Saltsburg | Standard | $349,170 |
| Scottdale | Standard | $510,640 |
| Slickville | Standard | $153,070 |
| Stahlstown | Standard | $508,730 |
| Tarrs | Standard | $126,320 |
| Vandergrift | Standard | $323,220 |
| Westmoreland City | Standard | $126,940 |
| Youngwood | Standard | $309,900 |
| Yukon | Standard | $138,270 |
| Blairsville | Standard | $477,130 |
| Bolivar | Standard | $162,860 |
| New Florence | Standard | $543,800 |
| Seward | Standard | $156,740 |
| Freeport | Standard | $521,130 |
Source: US Internal Revenue Service