| ZIP Codes: | 21 ZIP Codes (18 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 412 / 724 / 878 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:29 PM |
| Population: | 164,772 [See All] |
| FIPS: | 42007 |
| CBSA: | Pittsburgh, PA |
| Land Area: | 448 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 40.6805, -80.3253 |
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164,772 residents live across 21 ZIPs covering 448 sq mi, served by 21 distinct USPS-recognized cities.
Population moved from 165,782 to 164,772 from 2014 to 2024 — a -0.6% change. 8 ZIPs gained residents, 13 lost.
The county's wealthiest ZIP 15026 (Clinton, $115,556 median) and poorest ZIP 15074 (Rochester, $54,063) are 17.6 miles apart — a 2.1× income gap across local geography.
Median home values vary 2.1× across this county — from $134,500 in 15003 (Ambridge) to $276,400 in 15026 (Clinton).
Density varies 25× across the county — from 70 people/sq mi in 15043 (Georgetown) to 1,766 in 15003 (Ambridge).
Educational attainment ranges from 15.7% bachelor's+ in 15059 (Midland) to 41.6% in 15009 (Beaver) — the breadth of educational profiles across the area.
Within Pennsylvania, this is the #21 most populous of 67 counties and ranks #24 for median household income .
Weighted by population, the typical household earns about $72,851 across the county — reflecting what a typical resident sees, not a simple ZIP average.
29.1% of adults age 25+ hold a bachelor's degree or higher (35,137 of 120,592 reporting).
18 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 15001 | Aliquippa | Standard | 31,976 | $70,985 | 61.2 | -0.7% |
| 15010 | Beaver Falls | Standard | 28,542 | $71,200 | 51.3 | 1.1% |
| 15009 | Beaver | Standard | 15,565 | $88,294 | 25.0 | 2.3% |
| 15061 | Monaca | Standard | 12,413 | $73,010 | 17.4 | -0.8% |
| 15066 | New Brighton | Standard | 12,048 | $63,836 | 21.9 | -5.2% |
| 15003 | Ambridge | Standard | 11,387 | $59,550 | 6.4 | -0.7% |
| 15005 | Baden | Standard | 9,570 | $73,354 | 15.9 | -2.2% |
| 15074 | Rochester | Standard | 8,550 | $54,063 | 17.9 | -6.0% |
| 15042 | Freedom | Standard | 7,733 | $75,742 | 17.2 | -1.8% |
| 15026 | Clinton | Standard | 4,175 | $115,556 | 34.7 | 27.5% |
| 15059 | Midland | Standard | 4,070 | $66,231 | 15.5 | -0.6% |
| 16115 | Darlington | Standard | 3,467 | $68,571 | 39.0 | 5.4% |
| 15052 | Industry | Standard | 2,873 | $73,352 | 18.2 | -19.8% |
| 16123 | Fombell | Standard | 2,335 | $102,500 | 21.3 | -5.0% |
| 15027 | Conway | Standard | 2,258 | $65,466 | 1.8 | 3.9% |
| 15043 | Georgetown | Standard | 2,253 | $87,672 | 32.2 | 0.0% |
| 15050 | Hookstown | Standard | 2,155 | $91,406 | 24.5 | -10.8% |
| 16141 | New Galilee | Standard | 2,033 | $73,910 | 22.2 | 6.9% |
| 16136 | Koppel | PO Box | 811 | $73,750 | 0.8 | 15.7% |
| 15081 | South Heights | PO Box | 404 | $54,107 | 0.4 | -2.4% |
| 15077 | Shippingport | PO Box | 154 | $64,583 | 3.4 | 7.7% |