Explore Saint Clair, Pennsylvania, with this interactive street and satellite map.
| City | Saint Clair |
| State | Pennsylvania (PA) |
| County | Westmoreland County |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.268681 |
| Longitude | -79.548373 |
| Density | N/A /km² |
| Incorporated | N/A |
| ZIP Codes | 15042, 15210, 15601, 17970 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | Greensburg |
Saint Clair occupies a rugged stretch of terrain where the landscape is defined by the persistent flow of Slate Creek cutting through the earth. It lies 2.3 miles south-southwest of Greensburg, PA (from Greensburg, PA: bearing 192°T), and is situated 5.4 miles southeast of Jeannette. The ground here holds a certain heaviness, a density of soil and stone that reminds those who walk it of the deep, subterranean layers beneath the surface. To the west, the distant peaks of the Allegheny Mountains catch the low, slanted light of late afternoon, turning a hazy, bruised purple against the sky. A mile away, the quiet surface of McMurrays Lake reflects the changing clouds, while the nearby South Greensburg Municipal Park offers a small, deliberate pause of green space amidst the steady, utilitarian rhythm of the streets.
Saint Clair grew from the marrow of the earth, its identity forged in the era when the ground beneath yielded its bounty to those willing to dig. The legacy of extraction lingers in the architecture of the older houses and the stoic, practical layout of the streets, which follow the uneven contours of the land rather than any clean grid. While the industrial pulse has shifted, the local economy retains a quiet, resilient character, moving with the measured pace of a place that has learned to endure long winters and quiet summers. Life here is measured in the familiar sounds of neighbors moving through their days, the scent of woodsmoke when the air turns sharp, and the way the shadows stretch long and thin across the porches as the day retreats into the hollows.
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This page provides an embedded street and satellite map of Saint Clair, Pennsylvania. Coordinates: 40.268681, -79.548373. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Saint Clair includes the ZIP code (15042, 15210, 15601), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Westmoreland County (Greensburg), and school district assignment.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | August 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |