| ZIP Codes: | 140 ZIP Codes (97 Standard, 20 PO Box, 23 Unique) [See All] |
| Area Codes: | 412 / 724 / 878 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:29 PM |
| Population: | 1,218,970 [See All] |
| FIPS: | 42003 |
| CBSA: | Pittsburgh, PA |
| Land Area: | 690 sq mi |
| Water Area: | 14 sq mi |
| Coordinates: | 40.4521, -79.9699 |
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1,218,970 residents live across 140 ZIPs covering 690 sq mi, served by 60 distinct USPS-recognized cities.
Population moved from 1,214,225 to 1,213,112 from 2014 to 2024 — a -0.1% change. 46 ZIPs gained residents, 51 lost (and 3 held flat).
The county's wealthiest ZIP 15090 (Wexford, $160,576 median) and poorest ZIP 15213 (Pittsburgh, $31,069) are 13.9 miles apart — a 5.2× income gap across local geography.
Median home values vary 10.3× across this county — from $59,300 in 15140 (Pitcairn) to $610,200 in 15222 (Pittsburgh).
Density varies 330× across the county — from 334 people/sq mi in 15084 (Tarentum) to 110,363 in 15282 (Pittsburgh).
Educational attainment ranges from 3.4% bachelor's+ in 15282 (Pittsburgh) to 81.9% in 15232 (Pittsburgh) — the breadth of educational profiles across the area.
Within Pennsylvania, this is the #2 most populous of 67 counties and ranks #19 for median household income .
On the national stage, Allegheny County is the #37 most populous US county .
Hosts 4 single-entity Unique ZIPs: 15277Eastern Area ; 15261Univ Of Pittsburgh ; 15282Duquesne Univ ; and 15270Columbia Gas Of Pa .
Weighted by population, the typical household earns about $83,461 across the county — reflecting what a typical resident sees, not a simple ZIP average.
45.6% of adults age 25+ hold a bachelor's degree or higher (404,651 of 887,747 reporting). The most-educated ZIPs cluster around Pittsburgh.
97 Standard delivery, 20 PO Box only, 23 single-entity Unique ZIPs serve this county.
14 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
23 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 5.2× 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 |
|---|---|---|---|---|---|---|
| 15237 | Pittsburgh | Standard | 43,588 | $109,895 | 23.7 | 4.4% |
| 15108 | Coraopolis | Standard | 42,799 | $100,859 | 36.5 | 3.0% |
| 15235 | Pittsburgh | Standard | 33,951 | $67,240 | 15.0 | 0.1% |
| 15236 | Pittsburgh | Standard | 31,313 | $90,767 | 9.7 | 4.7% |
| 15213 | Pittsburgh | Standard | 30,466 | $31,069 | 2.5 | 7.2% |
| 15102 | Bethel Park | Standard | 30,344 | $108,966 | 10.4 | 2.0% |
| 15221 | Pittsburgh | Standard | 29,374 | $55,028 | 6.2 | -5.4% |
| 15206 | Pittsburgh | Standard | 29,056 | $72,920 | 5.0 | -0.5% |
| 15227 | Pittsburgh | Standard | 28,460 | $75,448 | 7.1 | 0.7% |
| 15146 | Monroeville | Standard | 28,332 | $79,300 | 19.4 | -0.5% |
| 15212 | Pittsburgh | Standard | 27,652 | $64,077 | 6.1 | 0.1% |
| 15044 | Gibsonia | Standard | 27,370 | $136,723 | 39.8 | 0.2% |
| 15101 | Allison Park | Standard | 26,036 | $114,634 | 21.1 | 6.6% |
| 15217 | Pittsburgh | Standard | 25,795 | $95,668 | 4.1 | -6.4% |
| 15090 | Wexford | Standard | 25,763 | $160,576 | 21.6 | 14.5% |
| 15210 | Pittsburgh | Standard | 25,227 | $52,169 | 4.6 | -7.6% |
| 15205 | Pittsburgh | Standard | 24,060 | $70,991 | 12.7 | 6.1% |
| 15136 | Mc Kees Rocks | Standard | 22,623 | $69,099 | 10.9 | 2.8% |
| 15241 | Pittsburgh | Standard | 22,294 | $153,936 | 10.1 | 10.4% |
| 15143 | Sewickley | Standard | 21,851 | $132,674 | 38.0 | 7.4% |
| 15216 | Pittsburgh | Standard | 21,471 | $80,313 | 3.4 | -7.0% |
| 15239 | Pittsburgh | Standard | 21,410 | $101,045 | 16.4 | 0.1% |
| 15202 | Pittsburgh | Standard | 19,564 | $68,287 | 4.6 | 0.3% |
| 15106 | Carnegie | Standard | 19,244 | $77,247 | 9.3 | 1.1% |
| 15132 | Mckeesport | Standard | 18,898 | $35,397 | 6.3 | -12.2% |
| 15122 | West Mifflin | Standard | 18,816 | $72,485 | 13.1 | -6.5% |
| 15228 | Pittsburgh | Standard | 18,236 | $123,681 | 3.2 | 0.3% |
| 15120 | Homestead | Standard | 18,029 | $55,714 | 5.0 | -3.5% |
| 15017 | Bridgeville | Standard | 17,782 | $86,937 | 12.4 | 12.3% |
| 15220 | Pittsburgh | Standard | 17,644 | $75,611 | 5.1 | 0.0% |
| 15025 | Clairton | Standard | 16,939 | $76,531 | 16.8 | 4.2% |
| 15147 | Verona | Standard | 15,798 | $66,757 | 10.6 | -9.7% |
| 15229 | Pittsburgh | Standard | 15,188 | $90,703 | 4.7 | 9.8% |
| 15116 | Glenshaw | Standard | 14,461 | $94,352 | 8.2 | 1.1% |
| 15214 | Pittsburgh | Standard | 14,048 | $61,645 | 4.5 | -5.1% |
| 15234 | Pittsburgh | Standard | 14,014 | $78,366 | 3.3 | -2.4% |
| 15226 | Pittsburgh | Standard | 13,999 | $73,321 | 2.5 | 1.1% |
| 15243 | Pittsburgh | Standard | 13,456 | $116,200 | 3.0 | 0.2% |
| 15218 | Pittsburgh | Standard | 13,379 | $67,960 | 2.3 | -3.2% |
| 15201 | Pittsburgh | Standard | 13,333 | $93,231 | 2.4 | 1.3% |
| 15238 | Pittsburgh | Standard | 12,868 | $116,575 | 16.3 | -0.7% |
| 15071 | Oakdale | Standard | 12,663 | $102,328 | 17.8 | 23.3% |
| 15209 | Pittsburgh | Standard | 12,328 | $85,542 | 4.8 | -3.7% |
| 15215 | Pittsburgh | Standard | 11,907 | $99,071 | 6.4 | -4.7% |
| 15219 | Pittsburgh | Standard | 11,376 | $34,897 | 2.7 | -27.2% |
| 15232 | Pittsburgh | Standard | 11,349 | $66,582 | 0.8 | -0.9% |
| 15207 | Pittsburgh | Standard | 10,961 | $57,427 | 4.8 | -8.4% |
| 15065 | Natrona Heights | Standard | 10,894 | $67,803 | 13.1 | -6.5% |
| 15129 | South Park | Standard | 10,789 | $99,519 | 8.0 | 0.0% |
| 15211 | Pittsburgh | Standard | 10,728 | $79,758 | 1.5 | -4.1% |
| 15224 | Pittsburgh | Standard | 10,665 | $66,993 | 1.5 | -1.1% |
| 15037 | Elizabeth | Standard | 10,417 | $77,579 | 26.7 | -6.4% |
| 15203 | Pittsburgh | Standard | 10,370 | $67,345 | 1.8 | 3.8% |
| 15208 | Pittsburgh | Standard | 10,094 | $63,086 | 1.5 | 2.5% |
| 15137 | North Versailles | Standard | 10,043 | $53,632 | 8.0 | -0.9% |
| 15084 | Tarentum | Standard | 9,743 | $63,090 | 29.1 | -1.4% |
| 15024 | Cheswick | Standard | 9,325 | $79,647 | 17.6 | 6.9% |
| 15204 | Pittsburgh | Standard | 8,467 | $59,420 | 2.0 | 4.8% |
| 15131 | Mckeesport | Standard | 8,209 | $61,744 | 6.7 | -2.0% |
| 15104 | Braddock | Standard | 8,034 | $40,104 | 2.9 | -9.9% |
| 15126 | Imperial | Standard | 7,276 | $99,693 | 19.6 | 6.3% |
| 15139 | Oakmont | Standard | 6,702 | $92,782 | 2.2 | 5.4% |
| 15145 | Turtle Creek | Standard | 6,695 | $49,628 | 1.9 | -8.6% |
| 15223 | Pittsburgh | Standard | 6,255 | $61,083 | 1.9 | -9.1% |
| 15133 | Mckeesport | Standard | 6,112 | $65,938 | 3.4 | -3.8% |
| 15282 | Pittsburgh | Unique | 5,772 | — | 0.1 | — |
| 15222 | Pittsburgh | Standard | 5,725 | $114,167 | 1.3 | 57.4% |
| 15110 | Duquesne | Standard | 5,149 | $44,180 | 1.9 | -7.4% |
| 15135 | Mckeesport | Standard | 4,859 | $82,632 | 5.4 | -10.6% |
| 15045 | Glassport | Standard | 4,368 | $47,803 | 1.9 | -2.6% |
| 15144 | Springdale | Standard | 3,771 | $67,520 | 2.6 | -8.1% |
| 15112 | East Pittsburgh | Standard | 3,655 | $47,730 | 0.8 | 2.6% |
| 15014 | Brackenridge | Standard | 3,095 | $53,551 | 0.5 | -3.4% |
| 15140 | Pitcairn | Standard | 3,032 | $36,419 | 0.7 | -7.6% |
| 15233 | Pittsburgh | Standard | 2,596 | $78,750 | 1.8 | -38.5% |
| 15148 | Wilmerding | Standard | 2,351 | $37,179 | 1.1 | -5.7% |
| 15046 | Crescent | Standard | 2,141 | $81,992 | 2.3 | -18.8% |
| 15035 | East Mc Keesport | Standard | 2,002 | $65,907 | 0.4 | -10.3% |
| 15034 | Dravosburg | Standard | 1,643 | $51,715 | 1.1 | -9.8% |
| 15142 | Presto | Standard | 1,513 | $119,667 | 2.2 | 17.8% |
| 15015 | Bradfordwoods | Standard | 1,291 | $155,208 | 0.9 | 3.4% |
| 15225 | Pittsburgh | Standard | 1,085 | $61,094 | 2.4 | -0.3% |
| 15056 | Leetsdale | Standard | 1,041 | $67,292 | 1.2 | -13.2% |
| 15030 | Creighton | Standard | 1,018 | $56,094 | 1.7 | -0.1% |
| 15076 | Russellton | Standard | 1,010 | $50,573 | 1.2 | -15.3% |
| 15049 | Harwick | Standard | 974 | $60,595 | 0.6 | 6.2% |
| 15086 | Warrendale | Standard | 788 | $130,688 | 1.9 | 160.9% |
| 15018 | Buena Vista | Standard | 712 | $37,000 | 0.9 | 8.7% |
| 15020 | Bunola | PO Box | 481 | $76,250 | 1.6 | 103.0% |
| 15031 | Cuddy | Standard | 382 | $35,404 | 0.3 | -32.9% |
| 15064 | Morgan | Standard | 360 | — | 0.6 | -28.3% |
| 15088 | West Elizabeth | PO Box | 344 | $55,000 | 0.3 | -45.9% |
| 15051 | Indianola | Standard | 329 | $62,563 | 0.5 | 11.9% |
| 15082 | Sturgeon | PO Box | 275 | $113,750 | 0.3 | 108.3% |
| 15007 | Bakerstown | Standard | 256 | — | 0.4 | 0.8% |
| 15047 | Greenock | PO Box | 203 | $45,792 | 0.3 | 680.8% |
| 15006 | Bairdford | PO Box | 180 | $79,417 | 0.1 | -63.0% |
| 15028 | Coulters | PO Box | 128 | $48,750 | 0.0 | -13.5% |
| 15275 | Pittsburgh | Standard | 86 | — | 1.2 | — |
| 15075 | Rural Ridge | PO Box | 22 | — | 0.0 | -69.4% |
| 15290 | Pittsburgh | Standard | 0 | — | 0.0 | — |
| 15260 | Pittsburgh | Standard | 0 | — | 0.1 | — |
| 15242 | Pittsburgh | PO Box | — | — | 0.0 | — |
| 15270 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15255 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15268 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15264 | Pittsburgh | PO Box | — | — | 0.0 | — |
| 15258 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15252 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15127 | Ingomar | PO Box | — | — | 0.0 | — |
| 15276 | Pittsburgh | Standard | — | — | 0.3 | — |
| 15274 | Pittsburgh | PO Box | — | — | 0.0 | — |
| 15251 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15091 | Wildwood | PO Box | — | — | 0.0 | — |
| 15032 | Curtisville | PO Box | — | — | 0.0 | — |
| 15134 | Mckeesport | PO Box | — | — | 0.0 | — |
| 15286 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15278 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15289 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15267 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15277 | Pittsburgh | Unique | — | — | 0.2 | — |
| 15265 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15096 | Warrendale | Unique | — | — | 0.0 | — |
| 15240 | Pittsburgh | PO Box | — | — | 0.0 | — |
| 15281 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15254 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15283 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15257 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15259 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15231 | Pittsburgh | PO Box | — | — | 4.1 | — |
| 15250 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15230 | Pittsburgh | PO Box | — | — | 0.0 | — |
| 15295 | Pittsburgh | Standard | — | — | 0.0 | — |
| 15262 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15279 | Pittsburgh | Unique | — | — | 0.0 | — |
| 15261 | Pittsburgh | Unique | — | — | 0.1 | — |
| 15272 | Pittsburgh | Standard | — | — | 0.0 | — |
| 15253 | Pittsburgh | PO Box | — | — | 0.0 | — |
| 15095 | Warrendale | PO Box | — | — | 0.0 | — |
| 15244 | Pittsburgh | PO Box | — | — | 0.0 | — |