| ZIP Codes: | 57 ZIP Codes (32 Standard, 25 PO Box, 0 Unique) [See All] |
| Area Codes: | 412 / 724 / 878 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:33 PM |
| Population: | 216,811 [See All] |
| FIPS: | 42125 |
| CBSA: | Pittsburgh, PA |
| Land Area: | 903 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 40.1849, -80.1318 |
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216,811 residents live across 57 ZIPs covering 903 sq mi, served by 57 distinct USPS-recognized cities.
Population moved from 213,026 to 216,666 from 2014 to 2024 — a +1.7% change. 18 ZIPs gained residents, 36 lost.
The county's wealthiest ZIP 15367 (Venetia, $135,542 median) and poorest ZIP 15019 (Bulger, $32,926) are 17.9 miles apart — a 4.1× income gap across local geography.
Median home values vary 8.7× across this county — from $62,500 in 15033 (Donora) to $544,100 in 15367 (Venetia).
Density varies 78× across the county — from 33 people/sq mi in 15329 (Prosperity) to 2,559 in 15419 (California).
Educational attainment ranges from 12.9% bachelor's+ in 15033 (Donora) to 63.1% in 15367 (Venetia) — the breadth of educational profiles across the area.
Within Pennsylvania, this is the #17 most populous of 67 counties and ranks #28 for median household income .
Weighted by population, the typical household earns about $85,306 across the county — reflecting what a typical resident sees, not a simple ZIP average.
33.9% of adults age 25+ hold a bachelor's degree or higher (53,199 of 157,116 reporting).
32 Standard delivery, 25 PO Box only, 0 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Median household income spans 4.1× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 15301 | Washington | Standard | 50,348 | $70,473 | 121.1 | 1.6% |
| 15317 | Canonsburg | Standard | 43,871 | $108,044 | 45.8 | 19.0% |
| 15057 | Mc Donald | Standard | 16,583 | $120,821 | 53.9 | 11.3% |
| 15063 | Monongahela | Standard | 10,525 | $65,179 | 30.5 | -5.2% |
| 15022 | Charleroi | Standard | 9,959 | $58,387 | 18.6 | -2.3% |
| 15367 | Venetia | Standard | 9,906 | $135,542 | 10.1 | 7.7% |
| 15332 | Finleyville | Standard | 7,678 | $66,578 | 27.7 | -4.9% |
| 15021 | Burgettstown | Standard | 7,110 | $75,000 | 92.5 | -8.5% |
| 15330 | Eighty Four | Standard | 6,023 | $111,680 | 42.7 | 6.9% |
| 15342 | Houston | Standard | 5,097 | $92,402 | 2.8 | 7.3% |
| 15033 | Donora | Standard | 4,572 | $39,921 | 2.8 | -6.3% |
| 15323 | Claysville | Standard | 3,860 | $78,947 | 73.6 | -8.9% |
| 15312 | Avella | Standard | 3,603 | $73,542 | 71.7 | -6.4% |
| 15314 | Bentleyville | Standard | 3,545 | $59,356 | 16.4 | -9.1% |
| 15419 | California | Standard | 3,421 | $43,813 | 1.3 | -28.2% |
| 15067 | New Eagle | Standard | 2,142 | $52,352 | 2.1 | -5.0% |
| 15321 | Cecil | Standard | 2,025 | $117,656 | 1.4 | 35.2% |
| 15333 | Fredericktown | Standard | 1,883 | $89,333 | 14.1 | -17.1% |
| 15423 | Coal Center | Standard | 1,846 | $77,857 | 16.6 | -14.1% |
| 15360 | Scenery Hill | Standard | 1,690 | $85,341 | 28.1 | -4.4% |
| 15345 | Marianna | Standard | 1,547 | $59,375 | 19.3 | -8.1% |
| 15340 | Hickory | Standard | 1,524 | $82,431 | 15.2 | 17.7% |
| 15376 | West Alexander | Standard | 1,441 | $86,607 | 35.5 | -18.6% |
| 15055 | Lawrence | Standard | 1,403 | $71,719 | 0.7 | 6.0% |
| 15329 | Prosperity | Standard | 1,390 | $92,917 | 42.5 | -19.0% |
| 15019 | Bulger | Standard | 1,056 | $32,926 | 22.4 | -38.8% |
| 15358 | Richeyville | PO Box | 1,025 | $103,789 | 0.8 | -12.2% |
| 15331 | Ellsworth | PO Box | 891 | $58,750 | 0.2 | 9.2% |
| 15060 | Midway | PO Box | 853 | $56,118 | 0.9 | 6.6% |
| 15311 | Amity | Standard | 843 | $75,050 | 23.3 | -39.8% |
| 15427 | Daisytown | Standard | 789 | $54,250 | 10.7 | -44.2% |
| 15477 | Roscoe | PO Box | 733 | $72,716 | 0.4 | -1.2% |
| 15078 | Slovan | Standard | 714 | $82,303 | 0.6 | 140.4% |
| 15324 | Cokeburg | PO Box | 662 | — | 0.3 | 10.9% |
| 15377 | West Finley | Standard | 614 | $80,625 | 45.2 | -26.1% |
| 15363 | Strabane | Standard | 605 | $63,281 | 0.3 | -18.0% |
| 15429 | Denbo | PO Box | 551 | $49,583 | 1.3 | 204.4% |
| 15366 | Van Voorhis | PO Box | 550 | $41,550 | 0.3 | 295.7% |
| 15313 | Beallsville | PO Box | 422 | $64,792 | 1.0 | 8.2% |
| 15350 | Muse | PO Box | 373 | $58,117 | 0.1 | -6.3% |
| 15368 | Vestaburg | PO Box | 353 | — | 0.2 | 31.2% |
| 15054 | Langeloth | PO Box | 352 | $74,167 | 1.1 | -23.5% |
| 15347 | Meadow Lands | PO Box | 350 | $48,839 | 0.6 | -13.6% |
| 15432 | Dunlevy | PO Box | 326 | $74,500 | 0.6 | -26.6% |
| 15483 | Stockdale | PO Box | 291 | $52,422 | 0.3 | -34.9% |
| 15434 | Elco | PO Box | 280 | $83,224 | 0.2 | -12.8% |
| 15038 | Elrama | PO Box | 279 | $31,824 | 0.3 | -19.1% |
| 15004 | Atlasburg | PO Box | 217 | — | 0.1 | -13.9% |
| 15412 | Allenport | PO Box | 208 | $40,625 | 1.9 | -46.5% |
| 15365 | Taylorstown | PO Box | 145 | $71,944 | 0.8 | — |
| 15053 | Joffre | Standard | 127 | $89,931 | 0.2 | -18.1% |
| 15361 | Southview | PO Box | 107 | — | 0.4 | 122.9% |
| 15379 | West Middletown | PO Box | 64 | $75,625 | 0.4 | -38.5% |
| 15348 | Millsboro | PO Box | 39 | — | 0.7 | -84.1% |
| 15378 | Westland | PO Box | 0 | — | 0.2 | -100.0% |
| 15339 | Hendersonville | PO Box | — | — | 0.0 | — |
| 15336 | Gastonville | PO Box | — | — | 0.0 | — |